{"id":82495,"date":"2020-05-22T01:42:27","date_gmt":"2020-05-21T23:42:27","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/ovirt-za-2-chasa-chast-1-otkrytaya-otkazoustojchivaya-platforma-virtualizaczii"},"modified":"2020-05-22T01:42:27","modified_gmt":"2020-05-21T23:42:27","slug":"ovirt-za-2-chasa-chast-1-otkrytaya-otkazoustojchivaya-platforma-virtualizaczii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/ovirt-za-2-chasa-chast-1-otkrytaya-otkazoustojchivaya-platforma-virtualizaczii","title":{"rendered":"oVirt 2 \u00f3r\u00e1ban. 1. r\u00e9sz. Ny\u00edlt forr\u00e1sk\u00f3d\u00fa, hibat\u0171r\u0151 virtualiz\u00e1ci\u00f3s platform","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<h2>Bevezet\u00e9s<\/h2>\n<p>\nNy\u00edlt forr\u00e1sk\u00f3d\u00fa projekt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ovirt.org\/\">oVirt<\/a><\/noindex> \u2014 ingyenes, v\u00e1llalati szint\u0171 virtualiz\u00e1ci\u00f3s platform. A habr b\u00f6ng\u00e9sz\u00e9se sor\u00e1n felfedeztem, hogy <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/OVirt\">oVirt<\/a><\/noindex> itt nem kapott akkora figyelmet, amennyit meg\u00e9rdemelne.<br \/>\nAz oVirt val\u00f3j\u00e1ban a Red Hat Virtualization (RHV, kor\u00e1bban RHEV) kereskedelmi rendszer upstreamje, mely a Red Hat sz\u00e1rnyai alatt fejl\u0151dik. Az \u00f6ssze nem t\u00e9veszt\u00e9s \u00e9rdek\u00e9ben ez <b>nem<\/b> ugyanaz, mint a CentOS vs RHEL, a modell k\u00f6zelebb \u00e1ll a Fedora vs RHEL-hez.<br \/>\nA kulissz\u00e1k m\u00f6g\u00f6tt \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/KVM\">KVM<\/a><\/noindex>, a kezel\u00e9st webes fel\u00fclet v\u00e9gzi. RHEL\/CentOS 7 oper\u00e1ci\u00f3s rendszeren alapul.<br \/>\nAz oVirt haszn\u00e1lhat\u00f3 a \"hagyom\u00e1nyos\" szerver- \u00e9s asztali virtualiz\u00e1ci\u00f3hoz (VDI), elt\u00e9r\u0151en a VMware megold\u00e1s\u00e1t\u00f3l, mindk\u00e9t rendszer k\u00e9pes egy\u00fcttm\u0171k\u00f6dni egy komplexumban.<br \/>\nA projekt j\u00f3l <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ovirt.org\/documentation\/\">dokument\u00e1lt<\/a><\/noindex>, r\u00e9g\u00f3ta el\u00e9rte a termel\u00e9si \u00e9retts\u00e9get \u00e9s k\u00e9szen \u00e1ll a magas terhel\u00e9sek kezel\u00e9s\u00e9re.<br \/>\nEz a cikk az els\u0151 egy ciklusban, amelyben arr\u00f3l van sz\u00f3, hogyan \u00e9p\u00edts\u00fcnk fel egy m\u0171k\u00f6d\u0151 hibat\u0171r\u0151 klasztert. Ezeket v\u00e9gigj\u00e1rva viszonylag r\u00f6vid id\u0151 alatt (k\u00f6r\u00fclbel\u00fcl 2 \u00f3ra) egy teljesen m\u0171k\u00f6d\u0151 rendszert kapunk, b\u00e1r bizonyos k\u00e9rd\u00e9seket term\u00e9szetesen nem tudunk majd teljesen k\u00f6rbej\u00e1rni, ezeket megpr\u00f3b\u00e1lom a k\u00f6vetkez\u0151 cikkekben bemutatni.<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nMi n\u00e9h\u00e1ny \u00e9ve haszn\u00e1ljuk, 4.1 verzi\u00f3val kezdt\u00fcnk. A mi ipari rendszer\u00fcnk jelenleg HPE Synergy 480-as \u00e9s ProLiant BL460c 10. gener\u00e1ci\u00f3s Xeon Gold CPU-ra \u00e9p\u00fcl.<br \/>\nA cikk \u00edr\u00e1s\u00e1nak id\u0151pontj\u00e1ban az aktu\u00e1lis verzi\u00f3 4.3. <\/p>\n<h2>Cikkek<\/h2>\n<p><\/p>\n<ol>\n<li>Bevezet\u00e9s (Itt vagyunk)<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/501182\/\">Az ovirt-engine \u00e9s a hypervisorok (hosts) telep\u00edt\u00e9se<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/502178\/\">Tov\u00e1bbi be\u00e1ll\u00edt\u00e1sok<\/a><\/noindex><\/li>\n<\/ol>\n<h2>Funkcion\u00e1lis jellemz\u0151k<\/h2>\n<p>\nAz oVirt 2 f\u0151 entit\u00e1ssal rendelkezik: ovirt-engine \u00e9s ovirt-host(s). A VMware term\u00e9keivel j\u00f3l ismer\u0151knek az oVirt mint platform a vSphere, az ovirt-engine \u2014 a kezel\u0151 r\u00e9teg \u2014 ugyanazokat a funkci\u00f3kat l\u00e1tja el, mint a vCenter, m\u00edg az ovirt-host \u2014 a hypervisor, mint az ESX(i). Mivel a vSphere nagyon n\u00e9pszer\u0171 megold\u00e1s, n\u00e9ha azzal fogok \u00f6sszehasonl\u00edt\u00e1st v\u00e9gezni.<br \/>\n<img decoding=\"async\" alt=\"oVirt 2 \u00f3r\u00e1ban. 1. r\u00e9sz. Ny\u00edlt forr\u00e1sk\u00f3d\u00fa, hibat\u0171r\u0151 virtualiz\u00e1ci\u00f3s platform\" src=\"\/wp-content\/uploads\/2020\/05\/3a5e1efa62d484234816f26a4b36f934.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n1. \u00e1bra \u2014 oVirt vez\u00e9rl\u0151panel.<\/p>\n<p>A vend\u00e9gg\u00e9pk\u00e9nt a legt\u00f6bb Linux disztrib\u00faci\u00f3 \u00e9s Windows verzi\u00f3 t\u00e1mogatott. A vend\u00e9gg\u00e9pekhez el\u00e9rhet\u0151k \u00fcgyn\u00f6k\u00f6k \u00e9s optimaliz\u00e1lt virtu\u00e1lis eszk\u00f6z\u00f6k \u00e9s virtio driverek, els\u0151sorban a lemezvez\u00e9rl\u0151 \u00e9s a h\u00e1l\u00f3zati interf\u00e9sz.<br \/>\nA megb\u00edzhat\u00f3 megold\u00e1s megval\u00f3s\u00edt\u00e1s\u00e1hoz \u00e9s minden \u00e9rdekes funkci\u00f3hoz megosztott t\u00e1rol\u00f3ra van sz\u00fcks\u00e9g. T\u00e1mogatottak a blokkos FC, FCoE, iSCSI, valamint a f\u00e1jlos NFS t\u00e1rol\u00f3k \u00e9s m\u00e1sok. A megb\u00edzhat\u00f3 megold\u00e1s megval\u00f3s\u00edt\u00e1s\u00e1hoz a t\u00e1rol\u00f3rendszernek is megb\u00edzhat\u00f3nak kell lennie (minimum 2 vez\u00e9rl\u0151, multipathing).<br \/>\nHelyi t\u00e1rol\u00f3k haszn\u00e1lata lehets\u00e9ges, de alap\u00e9rtelmez\u00e9s szerint a val\u00f3di klaszterhez csak megosztott t\u00e1rol\u00f3k alkalmasak. A helyi t\u00e1rol\u00f3k a rendszert k\u00fcl\u00f6n\u00e1ll\u00f3 hipervizorok halmaz\u00e1v\u00e1 teszik, s\u0151t, m\u00e9g megosztott t\u00e1rol\u00f3val sem lehet klasztert l\u00e9trehozni. A legjobb megold\u00e1s a lemez n\u00e9lk\u00fcli g\u00e9pek boot from SAN lehet\u0151s\u00e9ggel, vagy minim\u00e1lis m\u00e9ret\u0171 lemezek. Val\u00f3sz\u00edn\u0171, hogy a vdsm hook r\u00e9v\u00e9n megval\u00f3s\u00edthat\u00f3 a helyi lemezekb\u0151l k\u00e9sz\u00fclt Szoftver Alap\u00fa T\u00e1rol\u00e1s (pl. Ceph) \u00e9s a VM-ek prezent\u00e1l\u00e1sa, de ezt komolyan nem vizsg\u00e1ltam.<\/p>\n<h4>Architekt\u00fara<\/h4>\n<p>\n<img decoding=\"async\" alt=\"oVirt 2 \u00f3r\u00e1ban. 1. r\u00e9sz. Ny\u00edlt forr\u00e1sk\u00f3d\u00fa, hibat\u0171r\u0151 virtualiz\u00e1ci\u00f3s platform\" src=\"\/wp-content\/uploads\/2020\/05\/f9833a5edbe704bdcfc1e2bf1aaa478f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n2. \u00e1bra \u2013 az oVirt architekt\u00far\u00e1ja.<br \/>\nTov\u00e1bbi inform\u00e1ci\u00f3k az architekt\u00far\u00e1r\u00f3l <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ovirt.org\/develop\/architecture\/architecture.html\">dokument\u00e1ci\u00f3<\/a><\/noindex> a fejleszt\u0151t\u0151l.<\/p>\n<p><img decoding=\"async\" alt=\"oVirt 2 \u00f3r\u00e1ban. 1. r\u00e9sz. Ny\u00edlt forr\u00e1sk\u00f3d\u00fa, hibat\u0171r\u0151 virtualiz\u00e1ci\u00f3s platform\" src=\"\/wp-content\/uploads\/2020\/05\/9e91a55551a8afd9f9e46f1f29fcc99a.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n3. \u00e1bra \u2013 oVirt objektumok.<\/p>\n<p>A hierarchia fels\u0151 eleme \u2013 <b>Data Center<\/b>. Meghat\u00e1rozza, hogy megosztott (shared) vagy helyi t\u00e1rol\u00f3k ker\u00fclnek felhaszn\u00e1l\u00e1sra, valamint a haszn\u00e1lt funkci\u00f3k halmaz\u00e1t (kompatibilit\u00e1s, 4.1-t\u0151l 4.3-ig). Lehet egy vagy t\u00f6bb. Sok esetben megfelel\u0151 a megadott Data Center haszn\u00e1lata \u2013 Default.<br \/>\nA Data Center egy vagy t\u00f6bb <b>Clusters<\/b>-b\u0151l \u00e1ll. A klaszter meghat\u00e1rozza a processzor t\u00edpus\u00e1t, a migr\u00e1ci\u00f3s politik\u00e1kat \u00e9s m\u00e1sokat. Kis telep\u00edt\u00e9sek eset\u00e9n a Default klaszterre is korl\u00e1toz\u00f3dhat.<br \/>\nA klaszter, viszont, <b>Host<\/b>a virtu\u00e1lis g\u00e9peket futtat\u00f3 horgok, amelyekhez t\u00e1rol\u00f3k csatlakoznak. A klaszterben legal\u00e1bb 2 vagy t\u00f6bb hoszt szerepel. B\u00e1r technikailag lehets\u00e9ges egy hoszttal klasztert l\u00e9trehozni, de ennek gyakorlati haszna nincs.<\/p>\n<p>Az oVirt sz\u00e1mos funkci\u00f3t t\u00e1mogat, bele\u00e9rtve a virtu\u00e1lis g\u00e9pek \u00e9l\u0151 migr\u00e1ci\u00f3j\u00e1t a hipervizorok (live migration) \u00e9s t\u00e1rol\u00f3k (storage migration) k\u00f6z\u00f6tt, virtu\u00e1lis asztali infrastrukt\u00far\u00e1t (digital desktop infrastructure) VM poolokkal, statefull \u00e9s stateless VM-eket, NVidia Grid vGPU t\u00e1mogat\u00e1s\u00e1t, import\u00e1l\u00e1st vSphere-b\u0151l, KVM-et, er\u0151teljes <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ovirt.org\/develop\/api\/rest-api\/rest-api.html\">API<\/a><\/noindex> \u00e9s m\u00e9g sok m\u00e1st. Mindezek a funkci\u00f3k licencd\u00edjak n\u00e9lk\u00fcl \u00e9rhet\u0151k el, \u00e9s sz\u00fcks\u00e9g eset\u00e9n t\u00e1mogat\u00e1st v\u00e1s\u00e1rolhatunk a Red Hatt\u0151l region\u00e1lis partnereken kereszt\u00fcl.<\/p>\n<h4>Az RHV \u00e1rakr\u00f3l<\/h4>\n<p>\nAz \u00e1r nem magas a VMware-hez k\u00e9pest, csak a t\u00e1mogat\u00e1st kell megv\u00e1s\u00e1rolni \u2014 an\u00e9lk\u00fcl, hogy a licencet is meg kellene venni. A t\u00e1mogat\u00e1s csak a hipervizorokra \u00e9s az ovirt-engine-re vonatkozik, az vCenter Server-hez k\u00e9pest nem ig\u00e9nyel k\u00f6lts\u00e9geket.<\/p>\n<h4>P\u00e9lda a tulajdonl\u00e1s els\u0151 \u00e9v\u00e9nek k\u00f6lts\u00e9geire<\/h4>\n<p>\nVegy\u00fcnk egy 4 g\u00e9pb\u0151l \u00e1ll\u00f3, 2 socket-es klasztert, \u00e9s n\u00e9zz\u00fck meg a kiskereskedelmi \u00e1rakat (projekt kedvezm\u00e9nyek n\u00e9lk\u00fcl).<br \/>\nStandard RHV el\u0151fizet\u00e9s <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/cms\/managed-files\/rh-enterprise-virtualization-faq-inc0357243mm-201604-en.pdf\">999 $-ba ker\u00fcl<\/a><\/noindex> socket\/\u00e9v (pr\u00e9mium 365\/24\/7 \u2014 1499 $), \u00f6sszesen 4*2*999=<b>$7992<\/b>.<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/www.vmware.com\/ru\/reusable_content\/vsphere_pricing.html\">A vSphere \u00e1ra<\/a><\/noindex>:<\/p>\n<ul>\n<li>VMware vCenter Server Standard 10,837.13 $ p\u00e9ld\u00e1nyonk\u00e9nt, plusz Basic el\u0151fizet\u00e9s 2,625.41 $ (Production \u2014 3,125.39 $);<\/li>\n<li>VMware vSphere Standard 1,164.15 $ + Basic el\u0151fizet\u00e9s 552.61 $ (Production 653.82 $);<\/li>\n<li>VMware vSphere Enterprise Plus 6,309.23 $ + Basic el\u0151fizet\u00e9s 1,261.09 $ (Production 1,499.94 $).<\/li>\n<\/ul>\n<p>\n\u00d6sszesen: 10,837.13 + 2,625.41 + 4 * 2 * (1,164.15 + 552.61) = <b>$27 196,62<\/b> a legfiatalabb opci\u00f3ra. A k\u00fcl\u00f6nbs\u00e9g k\u00f6r\u00fclbel\u00fcl 3,5-szeres!<br \/>\nAz oVirt-ben minden funkci\u00f3 korl\u00e1toz\u00e1sok n\u00e9lk\u00fcl el\u00e9rhet\u0151.<\/p>\n<h2>R\u00f6vid jellemz\u0151k \u00e9s maximumok<\/h2>\n<p><\/p>\n<h4>Rendszerk\u00f6vetelm\u00e9nyek<\/h4>\n<p>\nA hipervizorhoz olyan CPU sz\u00fcks\u00e9ges, amelyben enged\u00e9lyezve van a hardveres virtualiz\u00e1l\u00e1s, a minim\u00e1lis indul\u00f3 RAM mennyis\u00e9g 2 GiB, a javasolt oper\u00e1ci\u00f3s rendszer t\u00e1rol\u00f3 m\u00e9ret pedig 55 GiB (f\u0151k\u00e9nt napl\u00f3khoz stb., az oper\u00e1ci\u00f3s rendszernek nem nagy a helyig\u00e9nye).<br \/>\nTov\u00e1bbi r\u00e9szletek \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ovirt.org\/documentation\/installing_ovirt_as_a_standalone_manager_with_local_databases\/#host-requirements\">itt<\/a><\/noindex>.<br \/>\nA <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ovirt.org\/documentation\/installing_ovirt_as_a_standalone_manager_with_local_databases\/#hardware-requirements_SM_localDB_deploy\">Engine<\/a><\/noindex> minim\u00e1lis k\u00f6vetelm\u00e9nyek: 2 mag\/4 GiB RAM\/25 GiB t\u00e1rol\u00e1s. Javasolt: minimum 4 mag\/16 GiB RAM\/50 GiB t\u00e1rol\u00e1s.<br \/>\nMint minden rendszerben, itt is vannak korl\u00e1toz\u00e1sok a m\u00e9retekre \u00e9s mennyis\u00e9gekre, amelyek t\u00f6bbs\u00e9ge meghaladja a rendelkez\u00e9sre \u00e1ll\u00f3 kereskedelmi szerverek k\u00e9pess\u00e9geit. P\u00e9ld\u00e1ul egy p\u00e1r <noindex><a rel=\"nofollow\" href=\"https:\/\/ark.intel.com\/content\/www\/ru\/ru\/ark\/products\/192437\/intel-xeon-gold-6230-processor-27-5m-cache-2-10-ghz.html\">Intel Xeon Gold 6230<\/a><\/noindex> c\u00edmzett 2 TiB RAM \u00e9s 40 magot (80 sz\u00e1lat) ad, ami m\u00e9g egy virtu\u00e1lis g\u00e9p korl\u00e1tain\u00e1l is kevesebb.<\/p>\n<h4>Virtu\u00e1lis g\u00e9p maximumai:<\/h4>\n<p><\/p>\n<ul>\n<li>Maximum p\u00e1rhuzamosan fut\u00f3 virtu\u00e1lis g\u00e9pek: Korl\u00e1tlan;<\/li>\n<li>Maximum virtu\u00e1lis CPU-k sz\u00e1ma egy virtu\u00e1lis g\u00e9pen: 384;<\/li>\n<li>Maximum mem\u00f3ria egy virtu\u00e1lis g\u00e9pen: 4 TiB;<\/li>\n<li>Maximum egyedisztikus m\u00e9ret egy virtu\u00e1lis g\u00e9pen: 8 TiB.<\/li>\n<\/ul>\n<p><\/p>\n<h4>Gazda maximumai:<\/h4>\n<p><\/p>\n<ul>\n<li>Logikai CPU magok vagy sz\u00e1lak: 768;<\/li>\n<li>RAM: 12 TiB;<\/li>\n<li>K\u00edn\u00e1lt virtu\u00e1lis g\u00e9pek sz\u00e1ma: 250;<\/li>\n<li>P\u00e1rhuzamos \u00e9l\u0151 migr\u00e1ci\u00f3s lehet\u0151s\u00e9gek: 2 bej\u00f6v\u0151, 2 kimen\u0151;<\/li>\n<li>\u00c9l\u0151 migr\u00e1ci\u00f3s s\u00e1vsz\u00e9less\u00e9g: Alap\u00e9rtelmezett 52 MiB (~436 Mb) migr\u00e1ci\u00f3nk\u00e9nt a r\u00e9gi migr\u00e1l\u00f3 politika haszn\u00e1latakor. Egy\u00e9b politik\u00e1k az alkalmaz\u00e1s sebess\u00e9ge alapj\u00e1n v\u00e1ltoz\u00f3 \u00e1thalad\u00e1si \u00e9rt\u00e9keket haszn\u00e1lnak. QoS politik\u00e1k korl\u00e1tozhatj\u00e1k a migr\u00e1ci\u00f3s s\u00e1vsz\u00e9less\u00e9get.<\/li>\n<\/ul>\n<p><\/p>\n<h4>Meneder Logikai Entit\u00e1s Maximumai:<\/h4>\n<p>\nA 4.3 verzi\u00f3ban vannak <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/articles\/906543\">a k\u00f6vetkez\u0151 korl\u00e1tok<\/a><\/noindex>.<\/p>\n<ul>\n<li>Adatk\u00f6zpont\n<ul>\n<li>Maximum adatk\u00f6zpontok sz\u00e1ma: 400;<\/li>\n<li>Maximum gazda sz\u00e1m: 400 t\u00e1mogatott, 500 tesztelt;<\/li>\n<li>Maximum VM sz\u00e1m: 4000 t\u00e1mogatott, 5000 tesztelt;<\/li>\n<\/ul>\n<\/li>\n<li>Klaszter\n<ul>\n<li>Maximum klaszter sz\u00e1m: 400;<\/li>\n<li>Maximum gazda sz\u00e1m: 400 t\u00e1mogatott, 500 tesztelt;<\/li>\n<li>Maximum VM sz\u00e1m: 4000 t\u00e1mogatott, 5000 tesztelt;<\/li>\n<\/ul>\n<\/li>\n<li>H\u00e1l\u00f3zat\n<ul>\n<li>Logikai h\u00e1l\u00f3zatok\/klaszter: 300;<\/li>\n<li>SDN\/k\u00fcls\u0151 h\u00e1l\u00f3zatok: 2600 tesztelt, nincs \u00e9rv\u00e9nyes\u00edtett korl\u00e1toz\u00e1s;<\/li>\n<\/ul>\n<\/li>\n<li>T\u00e1rol\u00e1s\n<ul>\n<li>Maximum domainek: 50 t\u00e1mogatott, 70 tesztelt;<\/li>\n<li>Gazd\u00e1k a domainekben: Nincs korl\u00e1toz\u00e1s;<\/li>\n<li>Logikai k\u00f6tetek a blokk domainekben (t\u00f6bb): 1500;<\/li>\n<li>Maximum LUN-ok sz\u00e1ma (t\u00f6bb): 300;<\/li>\n<li>Maximum lemezm\u00e9ret: 500 TiB (alap\u00e9rtelmez\u00e9s szerint 8 TiB-ra korl\u00e1tozva).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Bevezet\u00e9si lehet\u0151s\u00e9gek<\/h2>\n<p>\nAhogy m\u00e1r eml\u00edtett\u00fck, az oVirt k\u00e9t alapvet\u0151 elemre \u00e9p\u00fcl \u2014 ovirt-engine (kezel\u00e9s) \u00e9s ovirt-host (hipervizor).<br \/>\nA motor elhelyezhet\u0151 a platform keretein k\u00edv\u00fcl (standalone Manager - ez lehet egy m\u00e1sik platformon fut\u00f3 VM, k\u00fcl\u00f6n hipervizorban vagy ak\u00e1r fizikai g\u00e9pk\u00e9nt) \u00e9s a platformon bel\u00fcl (self-hosted engine, hasonl\u00f3an a VMware VCSA megk\u00f6zel\u00edt\u00e9s\u00e9hez).<br \/>\nA hipervizor telep\u00edthet\u0151 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ovirt.org\/documentation\/installing_ovirt_as_a_standalone_manager_with_local_databases\/#Red_Hat_Enterprise_Linux_hosts_SM_localDB_deploy\">csak egy hagyom\u00e1nyos RHEL\/CentOS 7 oper\u00e1ci\u00f3s rendszerre<\/a><\/noindex> (EL Host), vagy <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ovirt.org\/documentation\/installing_ovirt_as_a_standalone_manager_with_local_databases\/#Red_Hat_Virtualization_Hosts_SM_localDB_deploy\">speci\u00e1lis minimalista oper\u00e1ci\u00f3s rendszerre<\/a><\/noindex> (oVirt-Node, el7 alap\u00fa).<br \/>\nA hardverk\u00f6vetelm\u00e9nyek minden v\u00e1ltozat eset\u00e9ben k\u00f6r\u00fclbel\u00fcl azonosak.<br \/>\n<img decoding=\"async\" alt=\"oVirt 2 \u00f3r\u00e1ban. 1. r\u00e9sz. Ny\u00edlt forr\u00e1sk\u00f3d\u00fa, hibat\u0171r\u0151 virtualiz\u00e1ci\u00f3s platform\" src=\"\/wp-content\/uploads\/2020\/05\/49e5cd333717266b969201deb838831e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n4. \u00e1bra - standard architekt\u00fara.<\/p>\n<p><img decoding=\"async\" alt=\"oVirt 2 \u00f3r\u00e1ban. 1. r\u00e9sz. Ny\u00edlt forr\u00e1sk\u00f3d\u00fa, hibat\u0171r\u0151 virtualiz\u00e1ci\u00f3s platform\" src=\"\/wp-content\/uploads\/2020\/05\/71e2c366f7759cb63123a335fadfb169.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n5. \u00e1bra - Self-hosted Engine architekt\u00fara.<\/p>\n<p>\u00c9n a standalone Manager \u00e9s az EL Hosts verzi\u00f3t v\u00e1lasztottam:<\/p>\n<ul>\n<li>a standalone Manager egy kicsit egyszer\u0171bb a probl\u00e9m\u00e1k eset\u00e9n, nem \u00e1ll fenn a toj\u00e1s \u00e9s a csirke dilemm\u00e1ja (ahogy a VCSA eset\u00e9ben is - nem ind\u00edthat\u00f3 el, am\u00edg legal\u00e1bb egy host teljesen fel nem \u00e1ll), de egy m\u00e1sik rendszert\u0151l val\u00f3 f\u00fcgg\u0151s\u00e9get teremt*;<\/li>\n<li>az EL Host biztos\u00edtja az oper\u00e1ci\u00f3s rendszer teljes erej\u00e9t, ami hasznos a k\u00fcls\u0151 monitoroz\u00e1shoz, hibakeres\u00e9shez, probl\u00e9m\u00e1k felt\u00e1r\u00e1s\u00e1hoz stb.<\/li>\n<\/ul>\n<p>\n<i>* Azonban a haszn\u00e1lat sor\u00e1n erre soha nem volt sz\u00fcks\u00e9g, m\u00e9g s\u00falyos \u00e1ramkimarad\u00e1s ut\u00e1n sem.<\/i><br \/>\nDe most m\u00e1r j\u00f6het a l\u00e9nyeg!<br \/>\nA k\u00eds\u00e9rlethez lehet\u0151s\u00e9g van felszabad\u00edtani p\u00e1r ProLiant BL460c G7 peng\u00e9t Xeon&reg; CPU-val. Ezeken fogjuk v\u00e9grehajtani a telep\u00edt\u00e9si folyamatot.<br \/>\nA csom\u00f3pontok nevei: ovirt.lab.example.com, kvm01.lab.example.com \u00e9s kvm02.lab.example.com lesznek.<br \/>\nMost pedig folytatjuk az <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/501182\/\">telep\u00edt\u00e9st<\/a><\/noindex>.<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/501166\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435 Open source \u043f\u0440\u043e\u0435\u043a\u0442 oVirt \u2014 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f. \u041f\u0440\u043e\u043b\u0438\u0441\u0442\u0430\u0432 habr, \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b, \u0447\u0442\u043e oVirt \u043e\u0441\u0432\u0435\u0449\u0435\u043d \u0437\u0434\u0435\u0441\u044c \u043d\u0435 \u0442\u0430\u043a \u0448\u0438\u0440\u043e\u043a\u043e, \u043a\u0430\u043a \u0442\u043e\u0433\u043e \u0437\u0430\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u0435\u0442. oVirt \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0430\u043f\u0441\u0442\u0440\u0438\u043c\u043e\u043c \u0434\u043b\u044f \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Red Hat Virtualization (RHV, \u0440\u0430\u043d\u0435\u0435 RHEV), \u0440\u0430\u0441\u0442\u0435\u0442 \u043f\u043e\u0434 \u043a\u0440\u044b\u043b\u043e\u043c Red Hat. \u0427\u0442\u043e\u0431\u044b \u043d\u0435 \u0432\u043e\u0437\u043d\u0438\u043a\u043b\u043e \u043f\u0443\u0442\u0430\u043d\u0438\u0446\u044b, \u044d\u0442\u043e \u043d\u0435 \u0442\u043e \u0436\u0435, \u0447\u0442\u043e CentOS vs RHEL, \u043c\u043e\u0434\u0435\u043b\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":82496,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-82495","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 - 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