{"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\/et\/blog\/administrirovanie\/zfsonlinux-0-8-fichi-stabilizatsiya-intrigi-nu-i-trim","title":{"rendered":"ZFSonLinux 0.8: funktsioonid, stabiliseerimine, intriigid. Ja trim","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Just recently, a fresh stable version of ZFSonLinux was released, a project that has become central to the development of OpenZFS. Farewell, OpenSolaris; welcome to the fierce GPL-CDDL incompatible world of Linux.<\/p>\n

\"ZFSonLinux
\nBelow is an overview of the most interesting things (of course, 2200<\/u> commits!), and for dessert \u2014 a bit of intrigue.
\n<\/a><\/noindex><\/p>\n

New features<\/h3>\n

\nOf course, the most anticipated is native encryption<\/b>. Now you can encrypt only the necessary datasets with the built-in ZFS encryption, and (in my opinion, most importantly) \u2014 you can send encrypted data through zfs send<\/i> and CHECK the data integrity using built-in tools WITHOUT decryption; all of ZFS's data integrity features will be at your disposal!<\/p>\n

Next in importance, we should mention the long-awaited TRIM<\/b>. Jah, ta j\u00f5udis tootmisse t\u00f5eliselt kaua. Osaliselt seet\u00f5ttu, et CoW failis\u00fcsteemide jaoks ei ole SSD kulumise probleem nii kriitiline. Aga n\u00fc\u00fcd oleme k\u00f5ik rahulikud \u2014 zpool trim <\/i>will save our delicate flash drives.<\/p>\n

N\u00fc\u00fcd on v\u00f5imalik to remove<\/b> accidentally added vdev arrays from the pool (but only if it is sparse or mirror). A helpful little feature.<\/p>\n

Next in our hit parade \u2014 pool checkpoints<\/b>. L\u00fchidalt \u2014 kaustade seisundi sn\u00e4ppide abil, KUID v\u00f5imaldavad tagasi p\u00f6\u00f6rata muudatusi mitte ainult andmetes, vaid ka kaustades sisalduvates funktsioonides ja struktuuri muudatustes. Veel \u00fcks v\u00f5imalus omaette olla.<\/p>\n

Kausta initsialiseerimine <\/b> \u2014 alumise salvestuse t\u00e4itmine nullidega. Kasulik \u00f5hukeste provisioneeritud ketastega keskkondades, et selgelt m\u00e4\u00e4rata ruumi ja v\u00e4ltida tulevikus ootamatuid j\u00f5udluse langusi.<\/p>\n

Projekti arvestus ja kvota<\/b> \u2014 juba olemasolevas kvota mehhanismis on n\u00fc\u00fcd v\u00f5imalik kasutada projekti jaotust.<\/p>\n

Kanali programmid<\/b> \u2014 v\u00f5imalus teostada administratiivseid \u00fclesandeid atomaarsete Lua skriptide abil. On piirm\u00e4\u00e4rad t\u00e4itmise aja ja m\u00e4lu osas. Kui tegelete automatiseerimisega, siis see on teie jaoks.<\/p>\n

Direct IO<\/b> \u2014 lihtsuse nimel oleme l\u00fclitanud sisse Direct IO t\u00f6\u00f6, sees pole midagi muutunud (lihtsalt kutsed k\u00e4ivad maksimaalselt m\u00f6\u00f6da vahem\u00e4lu), seega ei pea n\u00fc\u00fcd soovitud re\u017eiimis t\u00f6\u00f6tavad programmid kaebama.<\/p>\n

Projekt Pyzfs<\/b> integreeritud pearepositooriumisse ja ZFSonLinux projekti alla. N\u00fc\u00fcd on rohkem vahendeid juhtimiseks Pythonist (ja modulaarse toe osas on rahulikum). Samuti on paljusid Python skripte kohandatud Python 3 jaoks.<\/p>\n

And now for the delicious part \u2014 performance<\/h4>\n

\nN\u00fc\u00fcd, scrub ja resilver operatsioonide k\u00e4igus loetakse esmalt v\u00e4lja metainformatsioon ja seej\u00e4rel maksimaalselt j\u00e4rjestikorras<\/b> taga \u2014 andmed. Nii toimub massiivi taastamine ja terviklikkuse kontrollimine maksimaalse kiirusena.<\/p>\n

Allocation classes<\/b> \u2014 vdev massiivide hulgas on tekkinud uut t\u00fc\u00fcpi kandjad; n\u00fc\u00fcd saab eraldi vdev massiivi kanda metainformatsiooni\/ deduplication tabelite (DDT)\/ andmeplokkide salvestust, mis on alla X Kbyte, kiiremate diskide seast. Rohkem kiirus, kiirus jumalale!<\/u> (ja tegelikult \u2014 see v\u00f5imalus tuleb kindlasti kasuks tulevases DRAID<\/a><\/noindex>).<\/p>\n

Paljusid haldustegevusi on n\u00fc\u00fcd kiiremad, kuna kasutatakse t\u00e4pp-cache metainformatsiooni (n\u00e4iteks, zfs list, zfs get<\/i>).<\/p>\n

Andmete allocation on paralleelne<\/b>, n\u00fc\u00fcd luuakse iga vaba ruumi (metaslab) kohta mitu allocatorit. NVME puhul ei saa k\u00f5ike siiski v\u00e4lja pigistada, kuid paremaks muutub.<\/p>\n

Hilinenud terviklikkuse taastamine<\/b> massiiv v\u00f5imaldab mitte koormata massiivi mitme ketta samaaegse \u00fcmberehitamisega, vaid teha seda j\u00e4rk-j\u00e4rgult. Nii v\u00e4heneb nii m\u00f5ju j\u00f5udlusele kui \u00fcmberehitamise aeg.<\/p>\n

Pulkade importimisel palju volumes<\/b> registreerimise kiirus s\u00fcsteemis on suurenenud.<\/p>\n

Samuti QAT<\/b> ummikud v\u00f5imaldavad n\u00fc\u00fcd eksportida kr\u00fcptimise ja kontrollsummade arvestust.<\/p>\n

Lisaks palju v\u00e4ikseid muudatusi (sellegipoolest \u00fcle 2000 commit'i v\u00e4ljaandes!).<\/a><\/noindex><\/p>\n

Ja magustoiduks \u2014 intriigid<\/h3>\n

\nKuigi ZFSonLinux lisab kiiresti toele uusi Linuxi kerneli versioone (praegu toetatakse versioone 2.6.32 \u2014 5.1*), n\u00e4itavad kernelihaldurid selget huvi puudumist kolmandate osapoolte moodulite osas (\u00bb\u2026me ei hooli \u00fcldse
\nv\u00e4lisest kernelimoodulitest\u2026<\/a><\/noindex> \u2014 greg k-h\u00ab). Seet\u00f5ttu on 5.0 haru jaoks efektiivseks t\u00f6\u00f6ks vajalikud kernelikutsed olid muudetud GPL-i ainult <\/a><\/noindex>. Sellega patcheeritud kernelis on ZFS-i j\u00f5udlus m\u00e4rkimisv\u00e4\u00e4rselt halvem. Hea on see, et seda funktsionaalsust saab rakendada mooduli poolel, mis t\u00f5en\u00e4oliselt ka juhtub. Aga praegu v\u00f5ite NixOSist eeskuju v\u00f5tta \u2014 nemad lihtsalt tagastasid pat\u0161i kernels<\/a><\/noindex> \ud83d\ude42<\/p>\n

Samuti on projektil n\u00fc\u00fcd olemas k\u00e4itumisreeglid, mis tekitasid laineid. Kuid me p\u00fcsisime \ud83d\ude42<\/p>\n

K\u00f5igile t\u00f6\u00f6tavaid varukoopiaid ja stabiilseid v\u00e4ljaandeid!<\/p>\n

Kasulikud lingid:
\n \u2014 v\u00e4ljaanne Githubis<\/a><\/noindex>
\n \u2014 minu sissejuhatus ZFS-iga<\/a><\/noindex>
\n
Allikas: 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: features, stabilization, intrigue. 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You can now encrypt only what you need.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/zfsonlinux-0-8-fichi-stabilizatsiya-intrigi-nu-i-trim","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47ZFSonLinux 0.8: \u0444\u0438\u0447\u0438, \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u044f, \u0438\u043d\u0442\u0440\u0438\u0433\u0438. \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 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 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