{"id":79785,"date":"2020-04-30T19:42:54","date_gmt":"2020-04-30T17:42:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/resheniya-hpe-dlya-organizaczii-udalennoj-raboty"},"modified":"2020-04-30T19:42:54","modified_gmt":"2020-04-30T17:42:54","slug":"resheniya-hpe-dlya-organizaczii-udalennoj-raboty","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/resheniya-hpe-dlya-organizaczii-udalennoj-raboty","title":{"rendered":"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dnes v\u00e1m vypr\u00e1v\u00edm p\u0159\u00edb\u011bh. P\u0159\u00edb\u011bh evoluce v\u00fdpo\u010detn\u00ed techniky a vzniku remote pracovn\u00edch m\u00edst od d\u00e1vn\u00fdch dob a\u017e po sou\u010dasnost.<\/p>\n<h2>V\u00fdvoj IT<\/h2>\n<p>\nHlavn\u00ed, co si z historie IT odn\u00e9st, je\u2026<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/5fba7e67d6c5aaef03d265390dd65e72.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSamoz\u0159ejm\u011b, \u017ee IT se vyv\u00edj\u00ed spir\u00e1lovit\u011b. Ta sam\u00e1 \u0159e\u0161en\u00ed a koncepty, kter\u00e9 byly p\u0159ed desetilet\u00edmi zavr\u017eeny, nab\u00fdvaj\u00ed nov\u00fd smysl a \u00fasp\u011b\u0161n\u011b za\u010d\u00ednaj\u00ed fungovat za nov\u00fdch podm\u00ednek, s nov\u00fdmi \u00fakoly a nov\u00fdmi kapacitami. V tomto se IT neli\u0161\u00ed od jak\u00e9koli jin\u00e9 oblasti lidsk\u00e9ho pozn\u00e1n\u00ed a historie Zem\u011b jako celku.<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/26d0be213b6e8d230db58de9b74e9f9d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>Kdysi d\u00e1vno, kdy byly po\u010d\u00edta\u010de obrovsk\u00e9<\/h3>\n<p><\/p>\n<blockquote><p>\u201eMysl\u00edm, \u017ee na sv\u011bt\u011b je m\u00edsto pro p\u0159ibli\u017en\u011b p\u011bt po\u010d\u00edta\u010d\u016f,\u201c \u0159ekl \u0161\u00e9f IBM Thomas Watson v roce 1943.<\/p><\/blockquote>\n<p>Brzk\u00e1 v\u00fdpo\u010detn\u00ed technika byla obrovsk\u00e1. Ne, \u0161patn\u011b, ran\u00e1 technika byla monstr\u00f3zn\u00ed, kyklopsk\u00e1. Cel\u00fd v\u00fdpo\u010detn\u00ed stroj zauj\u00edmal plochu srovnatelnou se sportovn\u00ed halou a st\u00e1l naprosto nesmysln\u00e9 pen\u00edze. Jako p\u0159\u00edklad komponent\u016f m\u016f\u017eeme uv\u00e9st modul opera\u010dn\u00ed pam\u011bti na feritov\u00fdch krou\u017ec\u00edch (1964).<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/4e69572ec6e6e92477d426cc29e39d58.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTento modul m\u011b\u0159\u00ed 11 cm * 11 cm a m\u00e1 kapacitu 512 bajt\u016f (4096 bit\u016f). Sk\u0159\u00ed\u0148 pln\u011b napln\u011bn\u00e1 t\u011bmito moduly m\u011bla sotva kapacitu d\u00e1vno zastaral\u00e9 disketov\u00e9 jednotky 3,5\" (1,44 MB = 2950 modul\u016f), p\u0159i\u010dem\u017e spot\u0159ebov\u00e1vala v\u00fdrazn\u00e9 mno\u017estv\u00ed elektrick\u00e9 energie a h\u0159\u00e1la se jako parn\u00ed stroj.<\/p>\n<p>Obrovsk\u00e9 rozm\u011bry souvis\u00ed s anglick\u00fdm n\u00e1zvem lad\u011bn\u00ed programov\u00e9ho k\u00f3du \u2014 \u201edebugging\u201c. Jedna z prvn\u00edch program\u00e1torek v historii, Grace Hopper (ano, byla to \u017eena), n\u00e1mo\u0159n\u00ed d\u016fstojn\u00edk, v roce 1945 zaznamenala do sv\u00e9ho den\u00edku ud\u00e1losti po vy\u0161et\u0159ov\u00e1n\u00ed poruchy v programu.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/fd13f358f1404581556fd2efc653bb10.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nJeliko\u017e moth (moucha) je obecn\u011b bug (chyba), ve\u0161ker\u00e9 dal\u0161\u00ed probl\u00e9my a kroky \u0159e\u0161en\u00ed, kter\u00e9 person\u00e1l hl\u00e1sil nad\u0159\u00edzen\u00fdm, byly ozna\u010dov\u00e1ny jako \u201edebugging\u201c (doslovn\u011b odstran\u011bn\u00ed chyby), tak\u017ee se pro selh\u00e1n\u00ed programu a chybu v k\u00f3du natrvalo ust\u00e1lil n\u00e1zev bug a lad\u011bn\u00ed se stalo debagem.<\/p>\n<p>S postupem v\u00fdvoje elektroniky, zejm\u00e9na polovodi\u010dov\u00e9 elektroniky, se fyzick\u00e9 rozm\u011bry stroj\u016f za\u010daly zmen\u0161ovat, zat\u00edmco v\u00fdpo\u010detn\u00ed v\u00fdkon rostl. Ale i p\u0159esto nebylo mo\u017en\u00e9 poskytnout ka\u017ed\u00e9mu po\u010d\u00edta\u010d osobn\u011b.<\/p>\n<blockquote><p> \u201eNeexistuj\u00ed \u017e\u00e1dn\u00e9 d\u016fvody, pro\u010d by si cht\u011bl n\u011bkdo dr\u017eet po\u010d\u00edta\u010d doma,\u201c \u0159ekl Ken Olsen, zakladatel DEC, v roce 1977. <\/p>\n<\/blockquote>\n<p>V 70. letech se objevuje term\u00edn minipo\u010d\u00edta\u010d. Pamatuji si, \u017ee kdy\u017e jsem poprv\u00e9 p\u0159e\u010detl tento term\u00edn p\u0159ed mnoha lety, p\u0159edstavil jsem si n\u011bco jako netbook, t\u00e9m\u011b\u0159 kapesn\u00ed po\u010d\u00edta\u010d. Nemohl jsem b\u00fdt d\u00e1l od pravdy.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/168e3a3151480e620d88f991ea2ea546.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nMinipo\u010d\u00edta\u010d je jen v porovn\u00e1n\u00ed s obrovsk\u00fdmi strojovnami, ale st\u00e1le jde o n\u011bkolik sk\u0159\u00edn\u00ed s vybaven\u00edm v hodnot\u011b stovek tis\u00edc a milion\u016f dolar\u016f. P\u0159esto ji\u017e v\u00fdpo\u010detn\u00ed v\u00fdkon vzrostl natolik, \u017ee ne v\u017edy byl pln\u011b vyu\u017eit, a po\u010d\u00edta\u010de za\u010daly b\u00fdt dostupn\u00e9 student\u016fm a akademik\u016fm.<\/p>\n<p>A pak p\u0159i\u0161el ON!<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/168ca78fa65e47e0d8c4b1351fd14722.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nMnoz\u00ed se nezam\u00fd\u0161lej\u00ed nad latinsk\u00fdmi ko\u0159eny v anglick\u00e9m jazyce, ale pr\u00e1v\u011b tento jazyk n\u00e1m p\u0159inesl vzd\u00e1len\u00fd p\u0159\u00edstup, jak ho zn\u00e1me dnes. Terminus (lat.) \u2014 konec, hranice, c\u00edl. C\u00edlem Termin\u00e1tora T800 bylo ukon\u010dit \u017eivot Johna Connora. Tak\u00e9 v\u00edme, \u017ee dopravn\u00ed stanice, na kter\u00fdch se prov\u00e1d\u00ed nastupov\u00e1n\u00ed a vystupov\u00e1n\u00ed cestuj\u00edc\u00edch nebo nakl\u00e1d\u00e1n\u00ed a vykl\u00e1d\u00e1n\u00ed n\u00e1kladu, se naz\u00fdvaj\u00ed termin\u00e1ly \u2014 kone\u010dn\u00fdmi c\u00edli tras.<\/p>\n<p>Odpov\u00eddaj\u00edc\u00edm zp\u016fsobem se objevila koncepce termin\u00e1lov\u00e9ho p\u0159\u00edstupu, a m\u016f\u017eete vid\u011bt nejzn\u00e1m\u011bj\u0161\u00ed termin\u00e1l na sv\u011bt\u011b, kter\u00fd st\u00e1le \u017eije v na\u0161ich srdc\u00edch.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/cfdceadbc5867d45cb81c58ef45c054d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDEC VT100 se naz\u00fdv\u00e1 termin\u00e1lem, proto\u017ee uzav\u00edr\u00e1 informa\u010dn\u00ed linku. M\u00e1 prakticky nulov\u00fd v\u00fdpo\u010detn\u00ed v\u00fdkon, a jeho jedin\u00fdm \u00fakolem je zobrazit informace p\u0159ijat\u00e9 z velk\u00e9ho stroje a p\u0159en\u00e9st vstup z kl\u00e1vesnice na stroj. A i kdy\u017e VT100 fyzicky d\u00e1vno zem\u0159eli, st\u00e1le je pln\u011b vyu\u017e\u00edv\u00e1me.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/dbbb22655bc96d5499679f421ecb4579.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>Na\u0161e dny<\/h3>\n<p>\n\u201eNa\u0161e dny\u201c bych za\u010dal po\u010d\u00edtat od po\u010d\u00e1tku 80. let, od okam\u017eiku, kdy se objevily prvn\u00ed dostupn\u00e9 procesory pro \u0161irokou ve\u0159ejnost s n\u011bjakou v\u00fdznamnou v\u00fdpo\u010detn\u00ed silou. Tradi\u010dn\u011b se pova\u017euje, \u017ee hlavn\u00edm procesorem t\u00e9to \u00e9ry se stal Intel 8088 (rodina x86) jako zakladatel v\u00edt\u011bzn\u00e9 architektury. Jak\u00fd je tedy principieln\u00ed rozd\u00edl v porovn\u00e1n\u00ed s koncepc\u00ed 70. let?<\/p>\n<p>Poprv\u00e9 se objevuje trend p\u0159esunu zpracov\u00e1n\u00ed informac\u00ed z centra na okraj. Ne v\u0161echny \u00fakoly vy\u017eaduj\u00ed \u0161\u00edlen\u00e9 (ve srovn\u00e1n\u00ed se slabou x86) v\u00fdkony mainframe nebo dokonce minipo\u010d\u00edta\u010de. Intel nez\u016fst\u00e1v\u00e1 pozadu, v 90. letech uv\u00e1d\u00ed rodinu Pentium, kter\u00e1 se stala prvn\u00edm opravdu masov\u00fdm dom\u00e1c\u00edm CPU v Rusku. Tyto procesory u\u017e dok\u00e1\u017eou hodn\u011b, nejen napsat dopis \u2014 ale tak\u00e9 multim\u00e9dia a pr\u00e1ci s mal\u00fdmi datab\u00e1zemi. V podstat\u011b pro mal\u00e9 podniky je zcela zbyte\u010dn\u00e9 m\u00edt servery \u2014 v\u0161e lze vykon\u00e1vat na okraji, na klientsk\u00fdch stroj\u00edch. S ka\u017ed\u00fdm rokem jsou procesory v\u00fdkonn\u011bj\u0161\u00ed a rozd\u00edl mezi servery a osobn\u00edmi po\u010d\u00edta\u010di se z hlediska v\u00fdpo\u010detn\u00ed kapacity st\u00e1le zmen\u0161uje, \u010dasto z\u016fst\u00e1v\u00e1 pouze v rezervaci nap\u00e1jen\u00ed, podpo\u0159e hot-swap a speci\u00e1ln\u00edch sk\u0159\u00edn\u00edch pro mont\u00e1\u017e do rack\u016f.<\/p>\n<p>Pokud porovn\u00e1me modern\u00ed klientsk\u00e9 procesory s \"\u00fasm\u011bvn\u00fdmi\" pro administr\u00e1tory t\u011b\u017ek\u00fdch server\u016f z 90. let od spole\u010dnosti Intel se superpo\u010d\u00edta\u010di minulosti, st\u00e1v\u00e1 se to dokonce pon\u011bkud nep\u0159\u00edjemn\u00fdm.<\/p>\n<p>Pod\u00edvejme se na star\u00e9ho p\u00e1na, kter\u00fd je prakticky m\u00fdm vrstevn\u00edkem. Cray X-MP\/24 z roku 1984.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/8ce445de3fa48566c812dfa038506bb9.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTento stroj pat\u0159il do top superpo\u010d\u00edta\u010d\u016f z roku 1984, m\u011bl 2 procesory po 105 MHz a vrcholnou v\u00fdpo\u010detn\u00ed kapacitu 400 MFlops (milion\u016f floating-point operac\u00ed). Konkr\u00e9tn\u011b ten stroj, kter\u00fd je na fotografii, st\u00e1l v laborato\u0159i kryptografie NSA USA a zab\u00fdval se dek\u00f3dov\u00e1n\u00edm \u0161ifer. Pokud p\u0159evedeme 15 milion\u016f dolar\u016f z roku 1984 na dolary z roku 2020, tak cena \u010din\u00ed 37,4 milionu, nebo 93 500 dolar\u016f \/ MFlops.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/3016145ce09612019aedc8043b8dbd62.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV tomu stroji, na kter\u00e9m p\u00ed\u0161u tyto \u0159\u00e1dky, je procesor Core i5-7400 z roku 2017, co\u017e nen\u00ed zrovna nov\u00fd kousek, a dokonce v roce sv\u00e9ho uveden\u00ed byl nejmlad\u0161\u00edm 4-j\u00e1drov\u00fdm ze v\u0161ech desktopov\u00fdch procesor\u016f st\u0159edn\u00ed t\u0159\u00eddy. 4 j\u00e1dra s z\u00e1kladn\u00ed frekvenc\u00ed 3,0 GHz (3,5 s Turbo Boost) a zdvojen\u00ed vl\u00e1ken pomoc\u00ed HyperThreading poskytuj\u00ed od 19 do 47 GFlops v\u00fdpo\u010detn\u00edho v\u00fdkonu podle r\u016fzn\u00fdch test\u016f p\u0159i cen\u011b 16 000 rubl\u016f za procesor. Pokud sestav\u00edme stroj kompletn\u011b, m\u016f\u017eeme akceptovat jeho cenu jako 750 dolar\u016f (podle cen a kurzu k 1. b\u0159eznu 2020). <\/p>\n<p>Nakonec tak dost\u00e1v\u00e1me p\u0159evahu docela pr\u016fm\u011brn\u00e9ho desktopov\u00e9ho procesoru dne\u0161ka 50-120kr\u00e1t nad superpo\u010d\u00edta\u010dem z top10 celkem z\u0159eteln\u00e9ho minul\u00e9ho stolet\u00ed, p\u0159i\u010dem\u017e pokles specifick\u00e9 ceny MFlops se st\u00e1v\u00e1 zcela ohromuj\u00edc\u00edmi 93500 \/ 25 = 3700kr\u00e1t.<\/p>\n<p>Pro\u010d je\u0161t\u011b pot\u0159ebujeme servery a centralizaci v\u00fdpo\u010dt\u016f, kdy\u017e m\u00e1me takov\u00e9 mo\u017enosti na okraji \u2014 to z\u016fst\u00e1v\u00e1 nejasn\u00e9!<\/p>\n<h2>Zp\u011btn\u00fd skok \u2014 spir\u00e1la ud\u011blala obrat<\/h2>\n<p><\/p>\n<h3>Bezdiskov\u00e9 stanice<\/h3>\n<p>\nPrvn\u00edm sign\u00e1lem, \u017ee p\u0159esun v\u00fdpo\u010dt\u016f na okraj nebude kone\u010dn\u00fd, bylo zaveden\u00ed technologie bezdiskov\u00fdch pracovn\u00edch stanic. P\u0159i v\u00fdrazn\u00e9m rozlo\u017een\u00ed pracovn\u00edch stanic po provozu, a zejm\u00e9na v zne\u010di\u0161t\u011bn\u00e9m prost\u0159ed\u00ed, se nal\u00e9hav\u011b objevuje ot\u00e1zka spr\u00e1vy a \u00fadr\u017eby t\u011bchto stanic. <\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/8b97cb4627aa5f0f701c8bc13f62f667.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nObjevuje se pojem 'koridorov\u00fd \u010das' \u2014 procento \u010dasu, kdy se pracovn\u00edk technick\u00e9 podpory nach\u00e1z\u00ed v koridoru, na cest\u011b k zam\u011bstnanci s probl\u00e9mem. Tento \u010das je placen\u00fd, ale zcela neproduktivn\u00ed. Nezanedbatelnou roli, zejm\u00e9na v zne\u010di\u0161t\u011bn\u00fdch prostor\u00e1ch, sehr\u00e1ly poruchy pevn\u00fdch disk\u016f. Poj\u010fme odstranit disk z pracovn\u00edho stanice a v\u0161e ostatn\u00ed ud\u011blat prost\u0159ednictv\u00edm s\u00edt\u011b, v\u010detn\u011b zav\u00e1d\u011bn\u00ed. S\u00ed\u0165ov\u00fd adapt\u00e9r dost\u00e1v\u00e1 krom\u011b adresy od DHCP serveru tak\u00e9 dodate\u010dn\u00e9 informace \u2014 adresu TFTP serveru (zjednodu\u0161en\u00e1 slu\u017eba pro soubory) a jm\u00e9no obrazov\u00e9ho souboru, na\u010d\u00edt\u00e1 jej do opera\u010dn\u00ed pam\u011bti a spou\u0161t\u00ed stroj.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/79060981eb9de5b248c164aa950e6063.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKrom\u011b men\u0161\u00edho po\u010dtu poruch a sn\u00ed\u017een\u00ed koridorov\u00e9ho \u010dasu, nyn\u00ed u\u017e nen\u00ed nutn\u00e9 kalibrovat stroj na m\u00edst\u011b, sta\u010d\u00ed p\u0159in\u00e9st nov\u00fd a star\u00fd odv\u00e9zt na diagnostiku na vybaven\u00e9 pracovn\u00ed m\u00edsto. Ale to nen\u00ed v\u0161echno!<\/p>\n<p>Bezdiskov\u00e1 stanice se st\u00e1v\u00e1 podstatn\u011b bezpe\u010dn\u011bj\u0161\u00ed \u2014 pokud by se n\u00e1hodou n\u011bkdo dostal do m\u00edstnosti a odnesl v\u0161echny po\u010d\u00edta\u010de, do\u0161lo by pouze k ztr\u00e1t\u011b za\u0159\u00edzen\u00ed. Na bezdiskov\u00fdch stanic\u00edch se neukl\u00e1daj\u00ed \u017e\u00e1dn\u00e1 data.<\/p>\n<p>Pamatujeme na tento moment, informa\u010dn\u00ed bezpe\u010dnost za\u010d\u00edn\u00e1 hr\u00e1t st\u00e1le v\u011bt\u0161\u00ed roli po 'beztarifn\u00edm d\u011btstv\u00ed' informa\u010dn\u00edch technologi\u00ed. A v IT st\u00e1le v\u00edce pronikaj\u00ed hrozn\u00e9 a d\u016fle\u017eit\u00e9 3 p\u00edsmena \u2014 GRC (Governance, Risk, Compliance), \u010dili \u010desky \"\u0158\u00edzen\u00ed, Riziko, Soulad.\"<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/60bd5d1432b37f4a31bba4f93b6d74f5.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>Termin\u00e1lov\u00e9 servery<\/h3>\n<p>\nRoz\u0161\u00ed\u0159en\u00ed st\u00e1le v\u00fdkon\u011bj\u0161\u00edch osobn\u00edch po\u010d\u00edta\u010d\u016f na periferii v\u00fdrazn\u011b p\u0159edb\u011bhlo v\u00fdvoj ve\u0159ejn\u00fdch s\u00edt\u00ed. Klasick\u00e9 klient-server aplikace z 90. let a po\u010d\u00e1tku 00. let nefungovaly p\u0159\u00edli\u0161 dob\u0159e p\u0159es \u00fazk\u00fd kan\u00e1l, pokud v\u00fdm\u011bna dat dosahovala n\u011bjak\u00fdch v\u00fdznamn\u00fdch hodnot. Zvl\u00e1\u0161\u0165 to bylo obt\u00ed\u017en\u00e9 pro vzd\u00e1len\u00e9 kancel\u00e1\u0159e, kter\u00e9 se p\u0159ipojovaly p\u0159es modem a telefonn\u00ed linku, kter\u00e1 nav\u00edc ob\u010das zamrzala nebo se p\u0159eru\u0161ovala. A\u2026<\/p>\n<p>Spir\u00e1la ud\u011blala obrat a ocitla se op\u011bt v termin\u00e1lov\u00e9m re\u017eimu s konceptem termin\u00e1lov\u00fdch server\u016f.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/86f1d05276e20167b5bc0e8bc65f24a9.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVe skute\u010dnosti jsme se vr\u00e1tili do 70. let s jejich nulov\u00fdmi klienty a centralizac\u00ed v\u00fdpo\u010detn\u00ed s\u00edly. Velmi rychle se uk\u00e1zalo, \u017ee krom\u011b \u010dist\u011b ekonomick\u00fdch aspekt\u016f termin\u00e1ln\u00ed p\u0159\u00edstup poskytuje obrovsk\u00e9 mo\u017enosti pro organizaci bezpe\u010dn\u00e9ho p\u0159\u00edstupu zven\u010d\u00ed, v\u010detn\u011b pr\u00e1ce z domova pro zam\u011bstnance, nebo velmi omezen\u00e9ho a kontrolovan\u00e9ho p\u0159\u00edstupu kontraktor\u016fm z ned\u016fv\u011bryhodn\u00fdch s\u00edt\u00ed a ned\u016fv\u011bryhodn\u00fdch\/nekompatibiln\u00edch za\u0159\u00edzen\u00ed.<\/p>\n<p>Nicm\u00e9n\u011b termin\u00e1lov\u00e9 servery m\u011bly, i p\u0159es v\u0161echny sv\u00e9 v\u00fdhody a progresivnost, tak\u00e9 \u0159adu nev\u00fdhod - n\u00edzkou flexibilitu, probl\u00e9m hlu\u010dn\u00e9ho souseda, striktn\u00ed serverov\u00fd Windows atd.<\/p>\n<h3>Zrozen\u00ed proto VDI<\/h3>\n<p>\n<img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/e34f1ac6c7cafd5994d84494e3831cef.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPravda, na po\u010d\u00e1tku a uprost\u0159ed 00. let u\u017e se na sc\u00e9n\u011b objevovala pr\u016fmyslov\u00e1 virtualizace x86 platformy. A n\u011bkdo vyslovil jednoduchou my\u0161lenku, kter\u00e1 visela ve vzduchu: a co kdybychom nam\u00edsto centralizace v\u0161ech klient\u016f na serverov\u00fdch termin\u00e1lov\u00fdch farm\u00e1ch dali ka\u017ed\u00e9mu jeho osobn\u00ed VM s klientsk\u00fdm Windows a dokonce administr\u00e1torsk\u00fdm p\u0159\u00edstupem?<\/p>\n<h3>Odklon od tlust\u00fdch klient\u016f<\/h3>\n<p>\nSou\u010dasn\u011b s virtualizac\u00ed relac\u00ed a OS se rozv\u00edjel p\u0159\u00edstup zam\u011b\u0159en\u00fd na zjednodu\u0161en\u00ed funkce klienta na \u00farovni aplikace. <\/p>\n<p>Logika za t\u00edm byla pom\u011brn\u011b jednoduch\u00e1, nebo\u0165 osobn\u00ed notebooky nebyly st\u00e1le je\u0161t\u011b pro v\u0161echny, internet tak\u00e9 nebyl dostupn\u00fd pro ka\u017ed\u00e9ho, a mnoz\u00ed se mohli p\u0159ipojit pouze z internetov\u00fdch kav\u00e1ren s velmi omezen\u00fdmi, m\u00edrn\u011b \u0159e\u010deno, pr\u00e1vy. Ve skute\u010dnosti, v\u0161e co bylo mo\u017en\u00e9 spustit - byl prohl\u00ed\u017ee\u010d. Prohl\u00ed\u017ee\u010d se stal neodmyslitelnou sou\u010d\u00e1st\u00ed OS, internet pevn\u011b vch\u00e1zel do na\u0161ich \u017eivot\u016f.<\/p>\n<p>Jin\u00fdmi slovy, sou\u010dasn\u011b prob\u00edhal trend na p\u0159esun logiky z klienta do centra ve form\u011b webov\u00fdch aplikac\u00ed, pro jejich\u017e p\u0159\u00edstup pot\u0159ebujete pouze ten nejjednodu\u0161\u0161\u00ed klient, internet a prohl\u00ed\u017ee\u010d.<br \/>\nA my jsme se ocitli nejen na stejn\u00e9m m\u00edst\u011b, odkud jsme za\u010d\u00ednali \u2013 s nulov\u00fdmi klienty a centr\u00e1ln\u00edmi servery. Dostali jsme se tam n\u011bkolika nez\u00e1visl\u00fdmi cestami.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/d0fb27a9b8a2de740e42d8a5be6f58d2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Virtu\u00e1ln\u00ed Desktopov\u00e1 Infrastruktura <\/h2>\n<p><\/p>\n<h3>Brok\u00e9r<\/h3>\n<p>\nV roce 2007 l\u00eddr trhu v pr\u016fmyslov\u00e9 virtualizaci, VMware, vydal prvn\u00ed verzi sv\u00e9ho produktu VDM (Virtual Desktop Manager), kter\u00fd se stal de facto prvn\u00edm na pr\u00e1v\u011b se rod\u00edc\u00edm trhu virtu\u00e1ln\u00edch desktop\u016f. Samoz\u0159ejm\u011b netrvalo dlouho, ne\u017e se ozval l\u00eddr termin\u00e1lov\u00fdch server\u016f Citrix, a v roce 2008 s akvizic\u00ed XenSource se objevuje XenDesktop. Nejp\u0159esv\u011bd\u010div\u011bji v\u0161ak existovali i dal\u0161\u00ed dodavatel\u00e9 se sv\u00fdmi nab\u00eddkami, ale nebudeme se p\u0159\u00edli\u0161 pono\u0159ovat do historie, abychom odstoupili od konceptu.<\/p>\n<p>A tato koncepce p\u0159etrv\u00e1v\u00e1 dodnes. Kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed VDI je brok\u00e9r spojen\u00ed.<br \/>\nTo je srdce infrastruktury virtu\u00e1ln\u00edch desktop\u016f. <\/p>\n<p>Brok\u00e9r zodpov\u00edd\u00e1 za nejd\u016fle\u017eit\u011bj\u0161\u00ed procesy fungov\u00e1n\u00ed VDI:<\/p>\n<ul>\n<li>Ur\u010duje dostupn\u00e9 prost\u0159edky pro p\u0159ipojen\u00e9ho klienta (stroje\/relace);<\/li>\n<li>Vyva\u017euje podle pot\u0159eby klienty mezi skupinami stroj\u016f\/relac\u00ed;<\/li>\n<li>P\u0159en\u00e1\u0161\u00ed klienta na vybran\u00fd prost\u0159edek.<\/li>\n<\/ul>\n<p>\nDnes m\u016f\u017ee b\u00fdt klientem (termin\u00e1lem) pro VDI prakticky cokoliv, co m\u00e1 obrazovku \u2013 notebook, smartphone, tablet, kiosk, tenk\u00fd nebo nulov\u00fd klient. A zp\u011btnou \u010d\u00e1st\u00ed, tou, kter\u00e1 vykon\u00e1v\u00e1 produktivn\u00ed z\u00e1t\u011b\u017e \u2013 je relace termin\u00e1lov\u00e9ho serveru, fyzick\u00fd stroj, virtu\u00e1ln\u00ed stroj. Modern\u00ed vysp\u011bl\u00e9 produkty VDI jsou \u00fazce integrov\u00e1ny s virtu\u00e1ln\u00ed infrastrukturou a samostatn\u011b ji \u0159\u00edd\u00ed v automatick\u00e9m re\u017eimu, nasazuj\u00ed nebo naopak odstra\u0148uj\u00ed ji\u017e nepot\u0159ebn\u00e9 virtu\u00e1ln\u00ed stroje. <\/p>\n<p>N\u011bkde stranou, ale pro n\u011bkter\u00e9 klienty extr\u00e9mn\u011b d\u016fle\u017eitou technologi\u00ed VDI je podpora hardwarov\u00e9ho zrychlen\u00ed 3D grafiky pro pr\u00e1ci projektant\u016f nebo design\u00e9r\u016f.<\/p>\n<h3>Protokol<\/h3>\n<p>\nDruhou nesm\u00edrn\u011b d\u016fle\u017eitou sou\u010d\u00e1st\u00ed vyzral\u00e9ho \u0159e\u0161en\u00ed VDI je protokol pro p\u0159\u00edstup k virtu\u00e1ln\u00edm zdroj\u016fm. Pokud jde o pr\u00e1ci v r\u00e1mci podnikov\u00e9 m\u00edstn\u00ed s\u00edt\u011b s vynikaj\u00edc\u00ed spolehlivou s\u00edt\u00ed 1 Gbps do pracovn\u00edho m\u00edsta a zpo\u017ed\u011bn\u00edm 1 ms, lze vz\u00edt prakticky jak\u00fdkoli a v\u016fbec o tom nep\u0159em\u00fd\u0161let.<\/p>\n<p>P\u0159i p\u0159ipojen\u00ed p\u0159es nekontrolovanou s\u00ed\u0165 je t\u0159eba se zamyslet, proto\u017ee kvalita t\u00e9to s\u00edt\u011b m\u016f\u017ee b\u00fdt zcela r\u016fzn\u00e1, a\u017e do rychlost\u00ed v des\u00edtk\u00e1ch kilobit a nep\u0159edv\u00eddateln\u00fdch zpo\u017ed\u011bn\u00ed. Tyto faktory jsou kl\u00ed\u010dov\u00e9 pro organizaci skute\u010dn\u00e9 vzd\u00e1len\u00e9 pr\u00e1ce z chat, domova, leti\u0161\u0165 a kav\u00e1ren. <\/p>\n<h3>Termin\u00e1lov\u00e9 servery vs klientsk\u00e9 VM<\/h3>\n<p>\nKdy\u017e se objevil VDI, vypadalo to, \u017ee je \u010das se rozlou\u010dit s termin\u00e1lov\u00fdmi servery. Pro\u010d by byly pot\u0159eba, kdy\u017e m\u00e1 ka\u017ed\u00fd svou osobn\u00ed VM?<\/p>\n<p>Nicm\u00e9n\u011b z pohledu \u010dist\u00e9 ekonomiky se uk\u00e1zalo, \u017ee pro typick\u00e9 masov\u00e9 pracovn\u00ed m\u00edsta, kter\u00e1 jsou si a\u017e p\u0159\u00edli\u0161 podobn\u00e1, zat\u00edm neexistuje nic efektivn\u011bj\u0161\u00edho ne\u017e termin\u00e1lov\u00e9 servery v pom\u011bru cena \/ relace. I se v\u0161emi sv\u00fdmi v\u00fdhodami p\u0159\u00edstup \"1 u\u017eivatel = 1 VM\" spot\u0159ebov\u00e1v\u00e1 v\u00fdrazn\u011b v\u00edce zdroj\u016f na virtu\u00e1ln\u00ed hardware a plnohodnotn\u00fd opera\u010dn\u00ed syst\u00e9m, co\u017e zhor\u0161uje ekonomiku na typick\u00fdch pracovn\u00edch m\u00edstech.<\/p>\n<p>V p\u0159\u00edpad\u011b pracovn\u00edch m\u00edst mana\u017eer\u016f, netradi\u010dn\u00edch a zat\u00ed\u017een\u00fdch pracovn\u00edch m\u00edst, kde je pot\u0159eba m\u00edt vysok\u00e1 pr\u00e1va (a\u017e po administr\u00e1torsk\u00e1), m\u00e1 v\u00fdhodu vyhrazen\u00e1 VM na u\u017eivatele. V r\u00e1mci t\u00e9to VM lze individu\u00e1ln\u011b p\u0159id\u011blovat zdroje, ud\u011blovat pr\u00e1va libovoln\u00e9 \u00farovn\u011b a vyva\u017eovat VM mezi hostiteli virtualizace p\u0159i vysok\u00e9 z\u00e1t\u011b\u017ei.<\/p>\n<h3>VDI a ekonomika<\/h3>\n<p>\nLeckdy sly\u0161\u00edm stejnou ot\u00e1zku \u2014 a jak, VDI je levn\u011bj\u0161\u00ed ne\u017e prost\u011b rozdat v\u0161em notebooky? A l\u00e9ta odpov\u00edd\u00e1m st\u00e1le to sam\u00e9: v p\u0159\u00edpad\u011b b\u011b\u017en\u00fdch kancel\u00e1\u0159sk\u00fdch zam\u011bstnanc\u016f nen\u00ed VDI levn\u011bj\u0161\u00ed, pokud po\u010d\u00edt\u00e1me \u010dist\u00e9 n\u00e1klady na zaji\u0161t\u011bn\u00ed vybaven\u00ed. A\u0165 chceme, notebooky zlev\u0148uj\u00ed, zat\u00edmco servery, \u00falo\u017en\u00e9 syst\u00e9my a syst\u00e9mov\u00fd software stoj\u00ed pom\u011brn\u011b vysok\u00e9 \u010d\u00e1stky. Pokud nade\u0161el \u010das na modernizaci parku a sna\u017e\u00edte se u\u0161et\u0159it pomoc\u00ed VDI \u2014 ne, neu\u0161et\u0159\u00edte.<\/p>\n<p>D\u0159\u00edve jsem zmi\u0148oval hroziv\u00e9 t\u0159i p\u00edsmena GRC \u2014 tak\u017ee, VDI je o GRC. Je to o \u0159\u00edzen\u00ed rizik, o bezpe\u010dnosti a pohodln\u00e9m \u0159\u00edzen\u00e9m p\u0159\u00edstupu k dat\u016fm. A to v\u0161e obvykle stoj\u00ed pom\u011brn\u011b dost pen\u011bz na implementaci na pestr\u00e9 technice. Pomoc\u00ed VDI se kontrola usnad\u0148uje, bezpe\u010dnost se zvy\u0161uje a vlasy jsou jemn\u00e9 a hedv\u00e1bn\u00e9.<\/p>\n<h2>\u0158e\u0161en\u00ed HPE pro vzd\u00e1lenou pr\u00e1ci<\/h2>\n<p><\/p>\n<h3>Vzd\u00e1len\u00e9 a cloudov\u00e9 \u0159\u00edzen\u00ed<\/h3>\n<p><\/p>\n<h4>iLO<\/h4>\n<p>\nSpole\u010dnost HPE nen\u00ed nov\u00e1\u010dkem v oblasti vzd\u00e1len\u00e9ho \u0159\u00edzen\u00ed serverov\u00e9 infrastruktury; v b\u0159eznu oslavil legend\u00e1rn\u00ed iLO (Integrated Lights Out) 18 let. Kdy\u017e vzpom\u00edn\u00e1m na sv\u00e9 administr\u00e1torsk\u00e9 \u010dasy v nult\u00fdch letech, byl jsem velmi spokojen. Prim\u00e1rn\u00ed mont\u00e1\u017e do stojan\u016f a p\u0159ipojen\u00ed kabel\u016f \u2013 to bylo v\u0161e, co bylo pot\u0159eba ud\u011blat v hlu\u010dn\u00e9m a chladn\u00e9m datov\u00e9m centru. V\u0161e ostatn\u00ed, v\u010detn\u011b instalace opera\u010dn\u00edho syst\u00e9mu, se dalo realizovat z pracovn\u00edho m\u00edsta s dv\u011bma monitory a \u0161\u00e1lkem hork\u00e9 k\u00e1vy. A to u\u017e je to 13 let zp\u00e1tky!<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/0d85c3d8e2ac04999d28fe1b40afc6d3.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDnes jsou servery HPE pr\u00e1vem pova\u017eov\u00e1ny za nepochybn\u00fd letit\u00fd standard kvality \u2013 a zlato v syst\u00e9mu vzd\u00e1len\u00e9ho \u0159\u00edzen\u00ed \u2013 iLO hraje v tomto nepochybn\u011b d\u016fle\u017eitou roli.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/94be1fab8eff5b59967f3d0ff6816a4f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nJe t\u0159eba zvl\u00e1\u0161\u0165 vyzdvihnout kroky HPE k udr\u017een\u00ed kontroly lidstva nad koronavirem. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.hpe.com\/us\/en\/resources\/integrated-systems\/ilo-advanced-trial.html\">HPE ozn\u00e1mila<\/a><\/noindex>, \u017ee do konce roku 2020 (alespo\u0148) je licence iLO Advanced k dispozici v\u0161em zdarma.<\/p>\n<h4>Infosight<\/h4>\n<p>\nPokud m\u00e1te v\u00edce ne\u017e 10 server\u016f v infrastruktu\u0159e a administr\u00e1tor se nenud\u00ed, rozhodn\u011b skv\u011bl\u00fdm dopl\u0148kem ke standardn\u00edm monitorovac\u00edm n\u00e1stroj\u016fm bude cloudov\u00fd syst\u00e9m HPE Infosight zalo\u017een\u00fd na um\u011bl\u00e9 inteligenci. Syst\u00e9m nejen monitoruje stav a vytv\u00e1\u0159\u00ed grafy, ale tak\u00e9 doporu\u010duje dal\u0161\u00ed kroky na z\u00e1klad\u011b aktu\u00e1ln\u00ed situace a trend\u016f.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/57fd7ba3bc7869e93f38994d0ba043ba.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/084c6c0395679e94a3003975bc8375f8.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nBu\u010fte chyt\u0159\u00ed, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.open.ru\/about\/press\/44761\">bu\u010fte jako banka 'Otkrytie'<\/a><\/noindex>, vyzkou\u0161ejte Infosight!<\/p>\n<h4>OneView<\/h4>\n<p>\nNa z\u00e1v\u011br, ale nikoli nic m\u00e9n\u011b d\u016fle\u017eit\u00e9, chci zm\u00ednit HPE OneView \u2013 celou produktovou \u0159adu s obrovsk\u00fdmi mo\u017enostmi monitorov\u00e1n\u00ed a \u0159\u00edzen\u00ed cel\u00e9 infrastruktury. A to v\u0161e bez zvednut\u00ed se od pracovn\u00edho stolu, kter\u00fd mo\u017en\u00e1 v sou\u010dasnosti m\u00e1te v\u016fbec na chalup\u011b.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/a06963129ce403ae819038211be1a904.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>\u00dalo\u017ei\u0161t\u011b tak\u00e9 nejsou pozadu!<\/h3>\n<p>\nSamoz\u0159ejm\u011b, v\u0161echny \u00falo\u017ei\u0161t\u011b jsou vzd\u00e1len\u011b \u0159\u00edzena, monitorov\u00e1na \u2013 tak tomu bylo u\u017e p\u0159ed mnoha lety. Dnes se tedy chci v\u011bnovat n\u011b\u010demu jin\u00e9mu, konkr\u00e9tn\u011b metroklastr\u016fm.<\/p>\n<p>Metroklastry nejsou na trhu \u017e\u00e1dnou novinkou, ale pr\u00e1v\u011b proto, \u017ee tomu tak je, nejsou p\u0159\u00edli\u0161 popul\u00e1rn\u00ed \u2013 projevuje se zde setrva\u010dnost my\u0161len\u00ed a prvotn\u00ed dojmy. Samoz\u0159ejm\u011b, p\u0159ed 10 lety u\u017e existovaly, ale st\u00e1ly jako \u017eelezobetonov\u00fd most. Roky, kter\u00e9 uplynuly od prvn\u00edch metroklastr\u016f, zm\u011bnily pr\u016fmysl a dostupnost technologie \u0161irok\u00e9 ve\u0159ejnosti.<\/p>\n<p>Pamatuji si projekty, kde byly \u010d\u00e1sti \u00falo\u017ei\u0161\u0165 rozlo\u017eeny - zvl\u00e1\u0161\u0165 pro vysoce kritick\u00e9 slu\u017eby v metroklastru a zvl\u00e1\u0161\u0165 na synchronn\u00ed replikaci (podstatn\u011b levn\u011bj\u0161\u00ed).<\/p>\n<p>V podstat\u011b, v roce 2020 v\u00e1s metroklastr nic nestoj\u00ed, pokud dok\u00e1\u017eete zorganizovat dv\u011b lokace a kan\u00e1ly. A kan\u00e1ly pro synchronn\u00ed replikaci jsou identick\u00e9 s t\u011bmi, kter\u00e9 pot\u0159ebujete pro metroklastry. Licencov\u00e1n\u00ed softwaru u\u017e d\u00e1vno prob\u00edh\u00e1 v bal\u00edc\u00edch - a synchronn\u00ed replikace ji\u017e p\u0159ich\u00e1z\u00ed jako sou\u010d\u00e1st metroklastru, a jedin\u00e9, co dosud chr\u00e1n\u00ed jednosm\u011brnou replikaci, je nutnost organizace rozta\u017een\u00e9 L2 s\u00edt\u011b. A i to, L2 over L3 ji\u017e pln\u011b kr\u00e1\u010d\u00ed po zemi.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/e1086173f10437bb09426d8f2096c1a2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nJak\u00fd je tedy z\u00e1sadn\u00ed rozd\u00edl mezi synchronn\u00ed replikac\u00ed a metroklastrem z pohledu vzd\u00e1len\u00e9 pr\u00e1ce?<\/p>\n<p>V\u0161echno je velmi jednoduch\u00e9. Metroklastr funguje s\u00e1m, automaticky, v\u017edy, prakticky okam\u017eit\u011b. <\/p>\n<p>Jak prob\u00edh\u00e1 proces p\u0159ep\u00edn\u00e1n\u00ed z\u00e1t\u011b\u017ee na synchronn\u00ed replikaci na infrastruktu\u0159e alespo\u0148 n\u011bkolika stovek VM?<\/p>\n<ol>\n<li>P\u0159ich\u00e1z\u00ed sign\u00e1l o hav\u00e1rii.<\/li>\n<li>Pohotovostn\u00ed sm\u011bna analyzuje situaci - m\u016f\u017eete si s klidem napl\u00e1novat od 10 do 30 minut pouze na p\u0159ijet\u00ed sign\u00e1lu a p\u0159ijet\u00ed rozhodnut\u00ed. <\/li>\n<li>V p\u0159\u00edpad\u011b absence pravomoc\u00ed pohotovostn\u00edch in\u017een\u00fdr\u016f pro samostatn\u00fd start p\u0159ep\u00edn\u00e1n\u00ed - dal\u0161\u00edch 30 minut na kontakt s osobou, kter\u00e1 m\u00e1 pravomoci, a form\u00e1ln\u00ed potvrzen\u00ed za\u010d\u00e1tku p\u0159ep\u00edn\u00e1n\u00ed.<\/li>\n<li>Stisknut\u00ed Velk\u00e9ho \u010cerven\u00e9ho Tla\u010d\u00edtka.<\/li>\n<li>10-15 minut na \u010dasov\u00e9 timeouty a p\u0159ehozen\u00ed svazk\u016f, p\u0159ehl\u00e1\u0161en\u00ed VM.<\/li>\n<li>30 minut na zm\u011bnu IP adresace - optimistick\u00e9 hodnocen\u00ed.<\/li>\n<li>A kone\u010dn\u011b start VM a spu\u0161t\u011bn\u00ed produktivn\u00edch slu\u017eeb.<\/li>\n<\/ol>\n<p>\nCelkov\u011b lze RTO (\u010das do obnovy obchodn\u00edch proces\u016f) s klidem odhadnout na 4 hodiny.<\/p>\n<p>Porovnejme to se situac\u00ed na metroklastru.<\/p>\n<ol>\n<li>\u00dalo\u017ei\u0161t\u011b ch\u00e1pe, \u017ee spojen\u00ed s ramenem metroklastru je ztraceno - 15-30 sekund.<\/li>\n<li>Hostitel\u00e9 virtualizace ch\u00e1pu, \u017ee prvn\u00ed datov\u00e9 centrum je ztraceno - 15-30 sekund (sou\u010dasn\u011b s bodem 1).<\/li>\n<li>Automatick\u00e9 restartov\u00e1n\u00ed od poloviny do t\u0159etiny VM ve druh\u00e9m datov\u00e9m centru - 10-15 minut do na\u010dten\u00ed slu\u017eeb.<\/li>\n<li>Zhruba v tuto dobu pohotovostn\u00ed sm\u011bna ch\u00e1pe, co se stalo.<\/li>\n<\/ol>\n<p>\nCelkov\u011b: RTO = 0 pro jednotliv\u00e9 slu\u017eby, 10-15 minut ve v\u0161eobecn\u00e9m p\u0159\u00edpad\u011b.<\/p>\n<p>Pro\u010d je restart jen od poloviny do t\u0159etiny VM? Koukn\u011bte se, v \u010dem je probl\u00e9m:<\/p>\n<ol>\n<li>Vy v\u0161echno d\u011bl\u00e1te chyt\u0159e a zap\u00edn\u00e1te automatickou vyv\u00e1\u017eenost VM. V pr\u016fm\u011bru tedy b\u011b\u017e\u00ed pouze polovina VM v jednom z datov\u00fdch center. V\u017edy\u0165 cel\u00fdm smyslem metroklastru je minimalizace prostoj\u016f, tud\u00ed\u017e je ve va\u0161em z\u00e1jmu minimalizovat i po\u010det VM pod hrozbou.<\/li>\n<li>N\u011bkter\u00e9 slu\u017eby lze clusterizovat na \u00farovni aplikace, rozlo\u017een\u00edm na r\u016fzn\u00e9 VM. Odpov\u00eddaj\u00edc\u00ed tyto p\u00e1rov\u00e9 VM jsou bu\u010f p\u0159i\u0161roubov\u00e1ny nebo p\u0159iv\u00e1z\u00e1ny p\u00e1skem k r\u016fzn\u00fdm datov\u00fdm centr\u016fm, aby slu\u017eba v\u016fbec ne\u010dekala na restart VM v p\u0159\u00edpad\u011b hav\u00e1rie.<\/li>\n<\/ol>\n<p>\nP\u0159i spr\u00e1vn\u011b postaven\u00e9 infrastruktu\u0159e s rozlo\u017een\u00fdmi metroklastry obchodn\u00ed u\u017eivatel\u00e9 pracuj\u00ed s minim\u00e1ln\u00edmi prodlevami z jak\u00e9hokoli m\u00edsta, i v p\u0159\u00edpad\u011b hav\u00e1rie na \u00farovni datov\u00e9ho centra. V nejhor\u0161\u00edm p\u0159\u00edpad\u011b bude prodleva trvat stejn\u011b dlouho jako na jeden \u0161\u00e1lek k\u00e1vy.<\/p>\n<p>A samoz\u0159ejm\u011b, metroklastry skv\u011ble funguj\u00ed jak na odch\u00e1zej\u00edc\u00edch HPE 3Par, tak na \u00fapln\u011b nov\u00fdch Primera!<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/7614f7e5fdbeb10d5a975bea7efbcc3e.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>Infrastruktura vzd\u00e1len\u00fdch pracovn\u00edch m\u00edst<\/h3>\n<p><\/p>\n<h4>Termin\u00e1lov\u00e9 servery<\/h4>\n<p>\nPro termin\u00e1lov\u00e9 servery nen\u00ed pot\u0159eba vym\u00fd\u0161let nic nov\u00e9ho, HPE u\u017e mnoho let dod\u00e1v\u00e1 jedny z nejlep\u0161\u00edch server\u016f na sv\u011bt\u011b pro n\u011b. Nest\u00e1rnouc\u00ed klasika \u2014 DL360 (1U) nebo DL380 (2U) \u010di pro milovn\u00edky AMD \u2014 DL385. Samoz\u0159ejm\u011b, k dispozici jsou i blade servery, jak klasick\u00e9 C7000, tak nov\u00e1 modul\u00e1rn\u00ed platforma Synergy.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/773ee86b2c5c69bc85582d0b7807c913.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNa jakoukoli chu\u0165, na jakoukoli barvu, maximum sezen\u00ed na server!<\/p>\n<h4>\u201eKlasick\u00fd\u201c VDI + HPE Simplivity<\/h4>\n<p>\nV tomto p\u0159\u00edpad\u011b, kdy\u017e \u0159\u00edk\u00e1m \u201eklasick\u00fd VDI\u201c, m\u00e1m na mysli koncept 1 u\u017eivatel = 1 VM s klientsk\u00fdm Windows. A samoz\u0159ejm\u011b, nen\u00ed nic bli\u017e\u0161\u00edho a p\u0159\u00edbuzn\u011bj\u0161\u00edho VDI z\u00e1t\u011b\u017ei pro hyperkonvergentn\u00ed syst\u00e9my, t\u00edm sp\u00ed\u0161e s deduplikac\u00ed a kompres\u00ed.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/ae7ab2c1e04be32d7c9b87e29b55ae71.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nZde m\u016f\u017ee HPE nab\u00eddnout jak svou vlastn\u00ed hyperkonvergentn\u00ed platformu Simplivity, tak servery \/ certifikovan\u00e9 uzly pro \u0159e\u0161en\u00ed partner\u016f, jako nap\u0159\u00edklad VSAN Ready Nodes pro vytvo\u0159en\u00ed VDI na infrastruktu\u0159e VMware VSAN.<\/p>\n<p>Poj\u010fme si pov\u00eddat o na\u0161em vlastn\u00edm \u0159e\u0161en\u00ed Simplivity. V pop\u0159ed\u00ed, jak n\u00e1m jemn\u011b nazna\u010duje n\u00e1zev, je jednoduchost (angl. simple \u2014 jednoduch\u00fd). Jednoduchost nasazen\u00ed, jednoduchost spr\u00e1vy, jednoduchost \u0161k\u00e1lov\u00e1n\u00ed.<\/p>\n<p>Hiperkonvergovan\u00e9 syst\u00e9my jsou v sou\u010dasnosti jedn\u00edm z nej\u017ehav\u011bj\u0161\u00edch t\u00e9mat v IT a po\u010det r\u016fzn\u00fdch dodavatel\u016f se pohybuje kolem 40. Podle magick\u00e9ho kvadrantu Gartner se spole\u010dnost HPE \u0159ad\u00ed mezi Top 5 na glob\u00e1ln\u00ed \u00farovni a nach\u00e1z\u00ed se v kvadrantu l\u00eddr\u016f \u2014 ch\u00e1pe, kam se pr\u016fmysl rozv\u00edj\u00ed, a je schopna tuto vizi zrealizovat v hardwaru.<\/p>\n<p>Architektura Simplivity je klasick\u00fdm p\u0159\u00edkladem hiperkonvergovan\u00e9ho syst\u00e9mu s virtu\u00e1ln\u00edmi stroji na \u0159\u00edzen\u00ed, co\u017e znamen\u00e1, \u017ee m\u016f\u017ee podporovat r\u016fzn\u00e9 hypervizory, na rozd\u00edl od syst\u00e9m\u016f integrovan\u00fdch do hypervizoru. K dubnu 2020 jsou skute\u010dn\u011b podporov\u00e1ny VMware vSphere a Microsoft Hyper-V, a byly avizov\u00e1ny pl\u00e1ny na podporu KVM. Kl\u00ed\u010dov\u00fdm prvkem Simplivity od jej\u00edho uveden\u00ed na trh bylo hardwarov\u00e9 urychlen\u00ed komprese a deduplikace pomoc\u00ed speci\u00e1ln\u00ed akcelera\u010dn\u00ed karty. <\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/47423e2aa6ba73b69b0d50054109aab0.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nJe t\u0159eba zd\u016fraznit, \u017ee komprese s deduplikac\u00ed je glob\u00e1ln\u00ed a neust\u00e1le aktivn\u00ed, tak\u017ee to nen\u00ed voliteln\u00e1 funkce, ale architektura \u0159e\u0161en\u00ed.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/2720bf510b3849961b371354394af58d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nHPE samoz\u0159ejm\u011b trochu p\u0159eh\u00e1n\u00ed, kdy\u017e tvrd\u00ed efektivitu 100:1, p\u0159i\u010dem\u017e ji po\u010d\u00edtaj\u00ed ur\u010dit\u00fdm zp\u016fsobem, ale efektivita vyu\u017eit\u00ed prostoru je skute\u010dn\u011b velmi vysok\u00e1. \u010c\u00edslo 100:1 je prost\u011b p\u0159\u00edli\u0161 kr\u00e1sn\u00e9. Poj\u010fme se pod\u00edvat, jak je Simplivity technicky realizovan\u00e1, abychom uk\u00e1zali takov\u00e1 \u010d\u00edsla. <\/p>\n<p><b>Sn\u00edmek<\/b>. Sn\u00edmky (instantn\u00ed sn\u00edmky) jsou 100% spr\u00e1vn\u011b realizov\u00e1ny jako RoW (Redirect-on-Write), a proto se prov\u00e1d\u011bj\u00ed okam\u017eit\u011b a nezp\u016fsobuj\u00ed penalizaci v\u00fdkonu. Nap\u0159\u00edklad se li\u0161\u00ed od n\u011bkter\u00fdch jin\u00fdch syst\u00e9m\u016f. Pro\u010d pot\u0159ebujeme lok\u00e1ln\u00ed sn\u00edmky bez penalizac\u00ed? To je velmi jednoduch\u00e9, pro sn\u00ed\u017een\u00ed RPO z 24 hodin (pr\u016fm\u011brn\u00e9 RPO pro z\u00e1lohov\u00e1n\u00ed) na des\u00edtky nebo dokonce jednotky minut.<\/p>\n<p><b>Z\u00e1loha<\/b>. Sn\u00edmek se od z\u00e1lohy li\u0161\u00ed pouze t\u00edm, jak ho vn\u00edm\u00e1 syst\u00e9m spr\u00e1vy virtu\u00e1ln\u00edch stroj\u016f. Pokud je p\u0159i odstran\u011bn\u00ed stroje odstran\u011bno i v\u0161echno ostatn\u00ed \u2014 znamen\u00e1 to, \u017ee \u0161lo o sn\u00edmek. Pokud z\u016fstalo \u2014 pak jde o z\u00e1lohu. T\u00edmto zp\u016fsobem m\u016f\u017ee b\u00fdt jak\u00fdkoli sn\u00edmek pova\u017eov\u00e1n za plnou z\u00e1lohu, pokud je ozna\u010den v syst\u00e9mu a nen\u00ed odstran\u011bn. <\/p>\n<p>Samoz\u0159ejm\u011b, mnoz\u00ed nam\u00edtnou \u2013 jak m\u016f\u017ee b\u00fdt z\u00e1loha, kdy\u017e je ulo\u017eena na tomt\u00e9\u017e syst\u00e9mu? A zde je velmi jednoduch\u00e1 odpov\u011b\u010f v podob\u011b protik ot\u00e1zce: \u0159ekn\u011bte, m\u00e1te form\u00e1ln\u00ed model hrozeb, kter\u00fd ur\u010duje pravidla pro ukl\u00e1d\u00e1n\u00ed z\u00e1loh? Je to absolutn\u011b legitimn\u00ed z\u00e1loha proti odstran\u011bn\u00ed souboru uvnit\u0159 VM, je to z\u00e1loha proti odstran\u011bn\u00ed samotn\u00e9ho VM. V p\u0159\u00edpad\u011b pot\u0159eby uchov\u00e1n\u00ed z\u00e1lohy v\u00fdhradn\u011b na samostatn\u00e9m syst\u00e9mu je na v\u00fdb\u011br: replikace tohoto sn\u00edmku do druh\u00e9ho clustera Simplivity nebo na HPE StoreOnce.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/f56eba95fcdfa1fad9f16f802b3c673e.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nA pr\u00e1v\u011b zde se ukazuje, \u017ee takov\u00e1 architektura je naprosto ide\u00e1ln\u00ed pro jak\u00fdkoli typ VDI. VDI jsou toti\u017e stovky nebo dokonce tis\u00edce velmi podobn\u00fdch stroj\u016f se stejn\u00fdm opera\u010dn\u00edm syst\u00e9mem a stejn\u00fdmi aplikacemi. Glob\u00e1ln\u00ed deduplikace to v\u0161e zpracuje a zmen\u0161\u00ed dokonce i v\u00edce ne\u017e 100:1. Nasadit 1000 VM z jedn\u00e9 \u0161ablony? V\u016fbec \u017e\u00e1dn\u00fd probl\u00e9m, tyto stroje se budou registrovat v vCenter d\u00e9le ne\u017e se klonuj\u00ed.<\/p>\n<p>Speci\u00e1ln\u011b pro u\u017eivatele s mimo\u0159\u00e1dn\u00fdmi po\u017eadavky na v\u00fdkon, a pro ty, kdo pot\u0159ebuj\u00ed 3D akceler\u00e1tory, byla vytvo\u0159ena \u0159ada Simplivity G.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/b488968152724a125db44fbeeb00c5bf.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV t\u00e9to \u0159ad\u011b se nepou\u017e\u00edv\u00e1 hardwarov\u00fd akceler\u00e1tor deduplikace, a proto je sn\u00ed\u017eeno mno\u017estv\u00ed disk\u016f na uzel, aby kontroller zvl\u00e1dl zpracov\u00e1n\u00ed softwarov\u011b. D\u00edky tomu se uvol\u0148uj\u00ed sloty PCIe pro jak\u00e9koli jin\u00e9 akceler\u00e1tory. Tak\u00e9 byla zdvojn\u00e1sobena dostupn\u00e1 pam\u011b\u0165 na uzel a\u017e na 3 TB pro nejn\u00e1ro\u010dn\u011bj\u0161\u00ed z\u00e1t\u011b\u017ee.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/c292a63dd6ab6ab18ae1902f05d7dc03.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSimplivity je ide\u00e1ln\u00ed pro organizaci geograficky distribuovan\u00fdch VDI infrastruktur s replikac\u00ed dat do centr\u00e1ln\u00edho datov\u00e9ho centra.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/33e3bc0e3f90a799963b78444080b9f7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTakov\u00e1 architektura VDI (a nejen VDI) je zvl\u00e1\u0161\u0165 zaj\u00edmav\u00e1 v podm\u00ednk\u00e1ch rusk\u00fdch realit \u2013 obrovsk\u00e9 vzd\u00e1lenosti (a t\u00edm p\u00e1dem zpo\u017ed\u011bn\u00ed) a rozhodn\u011b neide\u00e1ln\u00ed kan\u00e1ly. Jsou vytv\u00e1\u0159ena region\u00e1ln\u00ed centra (nebo dokonce jen 1-2 uzly Simplivity v zcela vzd\u00e1len\u00e9 kancel\u00e1\u0159i), kam se p\u0159ipojuj\u00ed m\u00edstn\u00ed u\u017eivatel\u00e9 p\u0159es rychl\u00e9 kan\u00e1ly, zachov\u00e1v\u00e1 se pln\u00e1 kontrola a spr\u00e1va z centra, a do centra se replikuj\u00ed pouze nepatrn\u00e9 mno\u017estv\u00ed skute\u010dn\u00fdch, cenn\u00fdch \u00fadaj\u016f, nikoli odpadn\u00edch.<\/p>\n<p>Samoz\u0159ejm\u011b, Simplivity se pln\u011b propojuje s OneView a InfoSight.<\/p>\n<h3>Ten\u010d\u00ed a nulov\u00ed klienti<\/h3>\n<p>\nTen\u010d\u00ed klienti jsou specializovan\u00e1 \u0159e\u0161en\u00ed ur\u010den\u00e1 v\u00fdhradn\u011b pro pou\u017eit\u00ed jako termin\u00e1ly. Proto\u017ee na klienta prakticky nen\u00ed \u017e\u00e1dn\u00e9 zat\u00ed\u017een\u00ed krom\u011b udr\u017eov\u00e1n\u00ed kan\u00e1lu a dek\u00f3dov\u00e1n\u00ed videa, t\u00e9m\u011b\u0159 v\u017edy je zde procesor s pasivn\u00edm chlazen\u00edm a mal\u00e9 spou\u0161t\u011bc\u00ed disky ur\u010den\u00e9 pouze pro start speci\u00e1ln\u00ed vestav\u011bn\u00e9 opera\u010dn\u00ed soustavy, a v podstat\u011b to v\u0161e. V podstat\u011b se v n\u011bm nen\u00ed co pokazit a kr\u00e1st je zbyte\u010dn\u00e9. Cena je n\u00edzk\u00e1 a \u017e\u00e1dn\u00e1 data se v n\u011bm nesm\u011bj\u00ed uchov\u00e1vat.<\/p>\n<p>Existuje zvl\u00e1\u0161tn\u00ed kategorie tenk\u00fdch klient\u016f, takzvan\u00ed nulov\u00ed klienti. Jejich hlavn\u00edm rozd\u00edlem od tenk\u00fdch klient\u016f je absence jak\u00e9hokoli vestav\u011bn\u00e9ho opera\u010dn\u00edho syst\u00e9mu obecn\u00e9ho ur\u010den\u00ed a pr\u00e1ce v\u00fdhradn\u011b s mikro\u010dipem s firmwarem. \u010casto maj\u00ed speci\u00e1ln\u00ed hardwarov\u00e9 akceler\u00e1tory pro dek\u00f3dov\u00e1n\u00ed video streamu v termin\u00e1lov\u00fdch protokolech, jako jsou PCoIP nebo HDX.<\/p>\n<p>I p\u0159es rozd\u011blen\u00ed velk\u00e9ho Hewlett Packardu na samostatn\u00e9 HPE a HP, nelze opomenout tenk\u00e9 klienty vyr\u00e1b\u011bn\u00e9 spole\u010dnost\u00ed HP. <\/p>\n<p>V\u00fdb\u011br je \u0161irok\u00fd, pro ka\u017ed\u00e9ho a pro jak\u00e9koli pot\u0159eby \u2014 a\u017e po v\u00edce monitorov\u00e1 pracovn\u00ed m\u00edsta s hardwarovou akcelerac\u00ed video streamu.<\/p>\n<p><img decoding=\"async\" alt=\"\u0158e\u0161en\u00ed HPE pro organizaci vzd\u00e1len\u00e9 pr\u00e1ce\" src=\"\/wp-content\/uploads\/2020\/04\/5dd59cf645892e48ac7009a40893d80a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>Slu\u017eba HPE pro va\u0161i dom\u00e1c\u00ed kancel\u00e1\u0159<\/h3>\n<p>\nA jako posledn\u00ed, ale nikoli m\u00e9n\u011b d\u016fle\u017eit\u00e9, chci zm\u00ednit slu\u017ebu HPE. Bylo by p\u0159\u00edli\u0161 dlouh\u00e9 vyjmenov\u00e1vat v\u0161echny \u00farovn\u011b slu\u017eby HPE a jej\u00ed mo\u017enosti, ale jist\u011b zde existuje jedna velmi d\u016fle\u017eit\u00e1 nab\u00eddka pro pr\u00e1ci na d\u00e1lku. A to toti\u017e \u2014 servisn\u00ed technik od HPE\/autorizovan\u00e9ho servisn\u00edho st\u0159ediska. Pokra\u010dujete v pr\u00e1ci na d\u00e1lku, se sv\u00fdch obl\u00edben\u00fdch chalup, poslouch\u00e1te bzu\u010den\u00ed v\u010del, zat\u00edmco technik od HPE p\u0159ijede do datov\u00e9ho centra a vym\u011bn\u00ed va\u0161e servery disky nebo porouchan\u00fd nap\u00e1jec\u00ed blok.<\/p>\n<h4>HPE CallHome<\/h4>\n<p>\nV dne\u0161n\u00ed dob\u011b, kdy jsou pohyby omezen\u00e9, se funkce Call Home st\u00e1v\u00e1 aktu\u00e1ln\u011bj\u0161\u00ed ne\u017e kdy jindy. Jak\u00fdkoli syst\u00e9m HPE s touto funkc\u00ed m\u016f\u017ee s\u00e1m nahl\u00e1sit hardwarovou nebo softwarovou poruchu do podp\u016frn\u00e9ho centra HPE. Je velmi pravd\u011bpodobn\u00e9, \u017ee d\u00edl na v\u00fdm\u011bnu a\/nebo servisn\u00ed technik k v\u00e1m doraz\u00ed je\u0161t\u011b d\u00e1vno p\u0159edt\u00edm, ne\u017e si v\u0161imnete z\u00e1vad a probl\u00e9m\u016f s produktivn\u00edmi slu\u017ebami.<\/p>\n<p>Osobn\u011b tuto funkci d\u016frazn\u011b doporu\u010duji aktivovat.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/cti\/blog\/499704\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u042f \u0440\u0430\u0441\u0441\u043a\u0430\u0436\u0443 \u0432\u0430\u043c \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u0438\u0441\u0442\u043e\u0440\u0438\u044e. \u0418\u0441\u0442\u043e\u0440\u0438\u044e \u044d\u0432\u043e\u043b\u044e\u0446\u0438\u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0442\u0435\u0445\u043d\u0438\u043a\u0438 \u0438 \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u044b\u0445 \u0440\u0430\u0431\u043e\u0447\u0438\u0445 \u043c\u0435\u0441\u0442 \u0441 \u0434\u0440\u0435\u0432\u043d\u0435\u0439\u0448\u0438\u0445 \u0432\u0440\u0435\u043c\u0435\u043d \u0438 \u0434\u043e \u043d\u0430\u0448\u0438\u0445 \u0434\u043d\u0435\u0439. \u0420\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0418\u0422 \u0413\u043b\u0430\u0432\u043d\u043e\u0435, \u0447\u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u043d\u0435\u0441\u0442\u0438 \u0438\u0437 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u0418\u0422 \u2014 \u044d\u0442\u043e\u2026 \u0420\u0430\u0437\u0443\u043c\u0435\u0435\u0442\u0441\u044f \u0442\u043e, \u0447\u0442\u043e \u0418\u0422 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u043e \u0441\u043f\u0438\u0440\u0430\u043b\u0438. \u041e\u0434\u043d\u0438 \u0438 \u0442\u0435 \u0436\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0438 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u044b\u043b\u0438 \u043e\u0442\u0431\u0440\u043e\u0448\u0435\u043d\u044b \u0434\u0435\u0441\u044f\u0442\u043a\u0438 \u043b\u0435\u0442 \u043d\u0430\u0437\u0430\u0434, \u043e\u0431\u0440\u0435\u0442\u0430\u044e\u0442 \u043d\u043e\u0432\u044b\u0439 \u0441\u043c\u044b\u0441\u043b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":79786,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-79785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u042f \u0440\u0430\u0441\u0441\u043a\u0430\u0436\u0443 \u0432\u0430\u043c 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