{"id":34664,"date":"2019-10-31T21:59:41","date_gmt":"2019-10-31T18:59:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/zfsonlinux-0-8-fichi-stabilizatsiya-intrigi-nu-i-trim\/"},"modified":"2019-10-31T21:59:41","modified_gmt":"2019-10-31T18:59:41","slug":"zfsonlinux-0-8-fichi-stabilizatsiya-intrigi-nu-i-trim","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/zfsonlinux-0-8-fichi-stabilizatsiya-intrigi-nu-i-trim","title":{"rendered":"ZFSonLinux 0.8: ve\u00e7ori, stabilizim, intriga. Po ashtu dhe trim","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Pik\u00ebrisht para disa dit\u00ebsh u lan\u00e7ua versioni i ri stabil i ZFSonLinux, nj\u00eb projekt q\u00eb tani \u00ebsht\u00eb qendror n\u00eb bot\u00ebn e zhvillimit OpenZFS. Mir\u00eb se erdhe, OpenSolaris, shihemi n\u00eb bot\u00ebn e ashp\u00ebr t\u00eb pap\u00ebrshtatshme GPL-CDDL t\u00eb Linux.<\/p>\n

\"ZFSonLinux
\nPosht\u00eb \u00ebsht\u00eb nj\u00eb p\u00ebrmbledhje e gj\u00ebrave m\u00eb interesante (ashtu si\u00e7 pritej, 2200<\/u> komit\u00ebve!), dhe p\u00ebr fund \u2014 pak intrig\u00eb.
\n<\/a><\/noindex><\/p>\n

Tipare t\u00eb reja<\/h3>\n

\nSigurisht, ajo q\u00eb pritej m\u00eb shum\u00eb \u00ebsht\u00eb kriptimi natyror<\/b>. Tani mund t\u00eb kriptohen vet\u00ebm datasetet e nevojshme me kriptimin e nd\u00ebrtuar n\u00eb ZFS, dhe (m\u00eb e r\u00ebnd\u00ebsishmja, sipas mendimit tim) \u2014 mund t\u00eb d\u00ebrgoni t\u00eb dh\u00ebna t\u00eb kriptuara p\u00ebrmes zfs send<\/i> dhe T\u00cb VERIFIKONI INTEGRITETIN e t\u00eb dh\u00ebnave pa i \u00e7kriptuar ato me mjete t\u00eb nd\u00ebrtuara, t\u00eb gjitha mund\u00ebsit\u00eb p\u00ebr ruajtjen e integritetit t\u00eb t\u00eb dh\u00ebnave ZFS do t\u00eb jen\u00eb me ju!<\/p>\n

M\u00eb tej, p\u00ebr r\u00ebnd\u00ebsin\u00eb q\u00eb ka, duhet t\u00eb p\u00ebrmendet TRIM<\/b>. Po, ai ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai, ai zpool trim <\/i>do ta shp\u00ebtoj\u00eb flash-in ton\u00eb t\u00eb ndjesh\u00ebm.<\/p>\n

Tani \u00ebsht\u00eb e mundur t\u00eb t\u00eb fshihen<\/b> grupet vdev t\u00eb shtuara aksidentalisht nga puli (por vet\u00ebm, n\u00ebse jan\u00eb sparse ose mirror). Nj\u00eb gj\u00eb e dobishme.<\/p>\n

N\u00eb vazhdim n\u00eb hit-parad\u00ebn ton\u00eb \u2014 checkpoints e pulit<\/b>. N\u00eb shkurt \u2014 snapshots p\u00ebr t\u00eb gjith\u00eb gjendjen e pulit, POR duke dh\u00ebn\u00eb mund\u00ebsin\u00eb p\u00ebr t\u00eb kthyer ndryshimet jo vet\u00ebm t\u00eb t\u00eb dh\u00ebnave, por edhe t\u00eb ve\u00e7orive t\u00eb aktivizuara n\u00eb pul dhe ndryshimeve n\u00eb struktur\u00eb. Nj\u00eb mund\u00ebsi tjet\u00ebr p\u00ebr t\u00eb qen\u00eb m\u00eb t\u00eb sigurt.<\/p>\n

Iniciimi i pulit <\/b> \u2014 mbushja e depozit\u00ebs s\u00eb poshtme me zero. E dobishme p\u00ebr pun\u00ebn n\u00eb mjedise me disqe me thin provisioned p\u00ebr t\u00eb alokuar hap\u00ebsir\u00eb n\u00eb m\u00ebnyr\u00eb t\u00eb qart\u00eb dhe p\u00ebr t\u00eb shmangur r\u00ebniet e papritura t\u00eb performanc\u00ebs n\u00eb t\u00eb ardhmen.<\/p>\n

Llogaria e projektit dhe kuotat<\/b> \u2014 n\u00eb mekanizmin e tash\u00ebm t\u00eb kuotave tani \u00ebsht\u00eb e mundur t\u00eb p\u00ebrdoren ndarjet n\u00eb projekte.<\/p>\n

Programet kanale<\/b> \u2014 mund\u00ebsia p\u00ebr t\u00eb kryer detyra administrative n\u00eb m\u00ebnyr\u00eb atomike me ndihm\u00ebn e skripteve Lua. Ka kufij p\u00ebr koh\u00ebn e ekzekutimit dhe memorjen. N\u00ebse merret me automatizimin \u2014 kjo \u00ebsht\u00eb p\u00ebr ju.<\/p>\n

Direct IO<\/b> \u2014 p\u00ebr thjesht\u00ebsi kaluam funksionin Direct IO, brenda nuk ka ndryshuar asgj\u00eb (thjesht thirrjet b\u00ebhen maksimalisht nga cache), por tani programet q\u00eb d\u00ebshirojn\u00eb t\u00eb punojn\u00eb n\u00eb k\u00ebt\u00eb mod t\u00eb ve\u00e7uar nuk do t\u00eb b\u00ebjn\u00eb zhurm\u00eb.<\/p>\n

Projekti Pyzfs<\/b> u p\u00ebrfshi n\u00eb repositorin kryesor dhe u mor n\u00ebn kujdesin e projektit ZFSonLinux. Tani ka m\u00eb shum\u00eb mjete p\u00ebr menaxhim nga Python (dhe do t\u00eb jet\u00eb m\u00eb leht\u00eb p\u00ebr mb\u00ebshtetje t\u00eb modulit). Po ashtu, shum\u00eb skripte python jan\u00eb adaptruar p\u00ebr python3.<\/p>\n

Tani e bukur \u2014 performanca<\/h4>\n

\nTani tani me scrub dhe resilver operacioneve, fillimisht lexohen metadata dhe vet\u00ebm pastaj n\u00eb maksimum modalitetin e<\/b> format \u2014 t\u00eb dh\u00ebnat. K\u00ebshtu, rikuperimi i grupeve dhe kontrolli i integritetit ndodhin me maksimal shpejt\u00ebsi.<\/p>\n

Klasat e alokimit<\/b> \u2014 p\u00ebr grupe vdev ka nj\u00eb tip ndihm\u00ebs, tani \u00ebsht\u00eb e mundur t\u00eb nxirreni ruajtja e metadatave\/tabelave t\u00eb deduplikimit (DDT)\/blloqeve t\u00eb t\u00eb dh\u00ebnave me pak Kbyte n\u00eb nj\u00eb grup vdev t\u00eb ve\u00e7ant\u00eb nga disqet m\u00eb performuese. M\u00eb shum\u00eb shpejt\u00ebsi p\u00ebr zotin e shpejt\u00ebsis\u00eb!<\/u> (dhe n\u00eb fakt \u2014 kjo mund\u00ebsi do t\u00eb jet\u00eb shum\u00eb e dobishme n\u00eb t\u00eb ardhmen DRAID<\/a><\/noindex>).<\/p>\n

Shum\u00eb komandat administrative tani funksionojn\u00eb m\u00eb shpejt p\u00ebr shkak t\u00eb caching pikor t\u00eb metadatave (p\u00ebr shembull, zfs list, zfs get<\/i>).<\/p>\n

Procesi i alokimit t\u00eb t\u00eb dh\u00ebnave \u00ebsht\u00eb parallelizuar<\/b>, tani p\u00ebr \u00e7do seksion t\u00eb hap\u00ebsir\u00ebs s\u00eb lir\u00eb (metaslab) krijohet disa alokator\u00eb. Me NVMe sigurisht q\u00eb nuk do t\u00eb arrihet maksimumi, por do t\u00eb jet\u00eb m\u00eb mir\u00eb.<\/p>\n

Rikuperimi i t\u00ebr\u00ebsis\u00eb s\u00eb vonuar<\/b> i grupit do t\u00eb mund\u00ebsoj\u00eb q\u00eb t\u00eb mos ngarkoj\u00eb grupin me ri-nd\u00ebrtimin e disa disqeve n\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb, por do ta b\u00ebj\u00eb k\u00ebt\u00eb p\u00ebrkat\u00ebsisht. K\u00ebshtu, edhe ndikimi n\u00eb performanc\u00eb do t\u00eb zvog\u00eblohet, ashtu si dhe koha e ri-nd\u00ebrtimit.<\/p>\n

Kur importoni grupet me nj\u00eb num\u00ebr t\u00eb madh volumes<\/b> shpejt\u00ebsia e regjistrimit t\u00eb tyre n\u00eb sistem \u00ebsht\u00eb rritur.<\/p>\n

Gjithashtu QAT<\/b> tani lejon t\u00eb shkarkohet llogaritja e enkriptimit dhe e kontrollit t\u00eb sumave.<\/p>\n

P\u00ebrve\u00e7 shum\u00eb ndryshimeve t\u00eb vogla (n\u00eb fund t\u00eb fundit 2000+ commit n\u00eb l\u00ebshimin!).<\/a><\/noindex><\/p>\n

Dhe p\u00ebr fund \u2014 intriga<\/h3>\n

\nEdhe pse ZFSonLinux shton mb\u00ebshtetje p\u00ebr b\u00ebrthamat m\u00eb t\u00eb reja t\u00eb Linux (aktualisht mb\u00ebshteten versionet 2.6.32 - 5.1*), mir\u00ebmbajt\u00ebsit e b\u00ebrtham\u00ebs tregojn\u00eb nj\u00eb interes t\u00eb duksh\u00ebm p\u00ebr t\u00eb ndihmuar module t\u00eb jashtme (...ne nuk na intereson aspak p\u00ebr
\nmodulet e jashtme t\u00eb b\u00ebrtham\u00ebs...<\/a><\/noindex> \u2014 greg k-h). Pra, thirrjet e nevojshme p\u00ebr funksionimin efikas jan\u00eb t\u00eb p\u00ebrfshira n\u00eb deg\u00ebn 5.0 jan\u00eb ndryshuar n\u00eb GPL-only. <\/a><\/noindex>. N\u00eb b\u00ebrthamat me k\u00ebt\u00eb patch, performanca e ZFS do t\u00eb jet\u00eb ndjesh\u00ebm m\u00eb e dob\u00ebt. E mira \u00ebsht\u00eb se kjo funksionalitet mund t\u00eb realizohet n\u00eb an\u00ebn e modulit, gj\u00eb q\u00eb me siguri do t\u00eb ndodhi. Nd\u00ebrkoh\u00eb, mund t\u00eb merrni shembuj nga NixOS \u2014 ata thjesht rrokullis\u00ebn patch-in n\u00eb b\u00ebrtham\u00eb<\/a><\/noindex> \ud83d\ude42<\/p>\n

Gjithashtu, projekti ka marr\u00eb nj\u00eb Kod Etike, q\u00eb krijoi nj\u00eb val\u00eb diskutimesh. Por ne q\u00ebndruam fort \ud83d\ude42<\/p>\n

T\u00eb gjith\u00eb pun\u00eb t\u00eb mira p\u00ebr backup-e dhe l\u00ebshime t\u00eb q\u00ebndrueshme!<\/p>\n

Linqe t\u00eb dobishme:
\n \u2014 shembulli n\u00eb Github<\/a><\/noindex>
\n \u2014 hyrja ime n\u00eb ZFS<\/a><\/noindex>
\n
Burimi: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0411\u0443\u043a\u0432\u0430\u043b\u044c\u043d\u043e \u043d\u0430 \u0434\u043d\u044f\u0445 \u0440\u0435\u043b\u0438\u0437\u043d\u0443\u043b\u0438 \u0441\u0432\u0435\u0436\u0443\u044e stable \u0432\u0435\u0440\u0441\u0438\u044e ZFSonLinux, \u043f\u0440\u043e\u0435\u043a\u0442\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0442\u0435\u043f\u0435\u0440\u044c \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u044b\u043c \u0432 \u043c\u0438\u0440\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 OpenZFS. \u041f\u0440\u043e\u0449\u0430\u0439, OpenSolaris, \u0437\u0434\u0440\u0430\u0432\u0441\u0442\u0432\u0443\u0439 \u0441\u0432\u0438\u0440\u0435\u043f\u044b\u0439 GPL-CDDL \u043d\u0435\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u044b\u0439 \u043c\u0438\u0440 Linux. \u041f\u043e\u0434 \u043a\u0430\u0442\u043e\u043c \u043e\u0431\u0437\u043e\u0440 \u0441\u0430\u043c\u044b\u0445 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u0445 \u0432\u0435\u0449\u0435\u0439 (\u0435\u0449\u0451 \u0431\u044b, 2200 \u043a\u043e\u043c\u043c\u0438\u0442\u043e\u0432!), \u0430 \u043d\u0430 \u0434\u0435\u0441\u0435\u0440\u0442 \u2014 \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u0438\u043d\u0442\u0440\u0438\u0433. \u041d\u043e\u0432\u044b\u0435 \u0444\u0438\u0448\u043a\u0438 \u041a\u043e\u043d\u0435\u0447\u043d\u043e \u0436\u0435, \u0441\u0430\u043c\u0430\u044f \u043e\u0436\u0438\u0434\u0430\u0435\u043c\u0430\u044f \u2014 \u043d\u0430\u0442\u0438\u0432\u043d\u043e\u0435 \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u0435. \u0422\u0435\u043f\u0435\u0440\u044c \u043c\u043e\u0436\u043d\u043e \u0437\u0430\u0448\u0438\u0444\u0440\u043e\u0432\u0430\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0443\u0436\u043d\u044b\u0435 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26117,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-34664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47ZFSonLinux 0.8: ve\u00e7orit\u00eb, stabilizimi, intrigat. 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\u041d\u0443 \u0438 trim | ProHoster","og:description":"\u0411\u0443\u043a\u0432\u0430\u043b\u044c\u043d\u043e \u043d\u0430 \u0434\u043d\u044f\u0445 \u0440\u0435\u043b\u0438\u0437\u043d\u0443\u043b\u0438 \u0441\u0432\u0435\u0436\u0443\u044e stable \u0432\u0435\u0440\u0441\u0438\u044e ZFSonLinux, \u043f\u0440\u043e\u0435\u043a\u0442\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0442\u0435\u043f\u0435\u0440\u044c \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u044b\u043c \u0432 \u043c\u0438\u0440\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 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