{"id":33523,"date":"2019-10-31T21:53:05","date_gmt":"2019-10-31T18:53:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/hranilishhe-linstor-i-ego-integratsiya-s-opennebula\/"},"modified":"2019-10-31T21:53:05","modified_gmt":"2019-10-31T18:53:05","slug":"hranilishhe-linstor-i-ego-integratsiya-s-opennebula","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/hranilishhe-linstor-i-ego-integratsiya-s-opennebula","title":{"rendered":"\u00dalo\u017ei\u0161t\u011b LINSTOR a jeho integrace s OpenNebula","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"\u00dalo\u017ei\u0161t\u011b LINSTOR a jeho integrace s OpenNebula\" src=\"\/wp-content\/uploads\/2019\/05\/c8b6a7c02c4e5b043be327838152f8a1.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Ned\u00e1vno p\u0159edstavili lid\u00e9 z LINBIT sv\u00e9 nov\u00e9 SDS \u0159e\u0161en\u00ed \u2014 Linstor. Je to zcela otev\u0159en\u00e9 \u00falo\u017ei\u0161t\u011b, kter\u00e9 spo\u010d\u00edv\u00e1 na osv\u011bd\u010den\u00fdch technologi\u00edch: DRBD, LVM, ZFS. Linstor kombinuje jednoduchost a dob\u0159e promy\u0161lenou architekturu, co\u017e umo\u017e\u0148uje dos\u00e1hnout stability a dostate\u010dn\u011b impozantn\u00edch v\u00fdsledk\u016f.<\/p>\n<p><\/p>\n<p>Dnes bych cht\u011bl o n\u011bm \u0159\u00edct n\u011bco v\u00edce a uk\u00e1zat, jak snadno jej lze integrovat s OpenNebula pomoc\u00ed linstor_un \u2014 nov\u00e9ho ovlada\u010de, kter\u00fd jsem vyvinul speci\u00e1ln\u011b pro tento \u00fa\u010del.<\/p>\n<p><\/p>\n<p>Linstor v kombinaci s OpenNebula umo\u017e\u0148uje vybudovat rychlou a spolehlivou cloudovou infrastrukturu, kterou lze bez probl\u00e9m\u016f nasadit na vlastn\u00ed infrastruktu\u0159e.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2 id=\"arhitektura-linstor\">Architektura Linstoru<\/h2>\n<p><\/p>\n<p>Linstor nen\u00ed ani souborov\u00fd syst\u00e9m, ani blokov\u00e9 \u00falo\u017ei\u0161t\u011b s\u00e1m o sob\u011b; Linstor je orchestr\u00e1tor, kter\u00fd poskytuje vrstvu abstrakce umo\u017e\u0148uj\u00edc\u00ed automatizaci vytv\u00e1\u0159en\u00ed objem\u016f v LVM nebo ZFS a jejich replikaci pomoc\u00ed DRBD9.<\/p>\n<p><\/p>\n<h5 id=\"lomaem-stereotipy\">Zbo\u0159me stereotypy<\/h5>\n<p><\/p>\n<p>Ale po\u010dkejte, DRBD? \u2014 Pro\u010d ho automatizovat a jak to v\u016fbec m\u016f\u017ee fungovat?<\/p>\n<p><\/p>\n<p>Vzpom\u00edn\u00e1me na minulost, kdy byl popul\u00e1rn\u00ed DRBD8. Jeho standardn\u00ed pou\u017eit\u00ed zahrnovalo vytvo\u0159en\u00ed jednoho velk\u00e9ho blokov\u00e9ho za\u0159\u00edzen\u00ed a jeho rozd\u011blen\u00ed na mnoho mal\u00fdch kousk\u016f pomoc\u00ed LVM. Takov\u00fd mdadm RAID-1, ale s replikac\u00ed p\u0159es s\u00ed\u0165.<\/p>\n<p><\/p>\n<p>Takov\u00fd p\u0159\u00edstup nen\u00ed bez nedostatk\u016f, a proto s p\u0159\u00edchodem DRBD9 do\u0161lo ke zm\u011bn\u011b princip\u016f budov\u00e1n\u00ed \u00falo\u017ei\u0161t\u011b, nyn\u00ed se pro ka\u017edou virtu\u00e1ln\u00ed ma\u0161inu vytv\u00e1\u0159\u00ed samostatn\u00e9 DRBD za\u0159\u00edzen\u00ed.<\/p>\n<p><\/p>\n<p>P\u0159\u00edstup s nez\u00e1visl\u00fdmi blokov\u00fdmi za\u0159\u00edzen\u00edmi umo\u017e\u0148uje l\u00e9pe vyu\u017e\u00edvat prostor v klastru a tak\u00e9 p\u0159id\u00e1v\u00e1 \u0159adu dal\u0161\u00edch mo\u017enost\u00ed. Nap\u0159\u00edklad pro ka\u017ed\u00e9 takov\u00e9 za\u0159\u00edzen\u00ed lze ur\u010dovat po\u010det replik, jejich um\u00edst\u011bn\u00ed a individu\u00e1ln\u00ed nastaven\u00ed. Jejich snadn\u00e9 vytv\u00e1\u0159en\u00ed\/odstra\u0148ov\u00e1n\u00ed, prov\u00e1d\u011bn\u00ed snapshot\u016f, zm\u011bna velikosti, aktivace \u0161ifrov\u00e1n\u00ed a mnoho dal\u0161\u00edho. Je t\u0159eba poznamenat, \u017ee DRBD9 tak\u00e9 podporuje kv\u00f3rum, kter\u00e9 pom\u00e1h\u00e1 vyhnout se situac\u00edm split-brain.<\/p>\n<p><\/p>\n<h5 id=\"resursy-i-bekendy\">Zdroje a backendy<\/h5>\n<p><\/p>\n<p>P\u0159i vytv\u00e1\u0159en\u00ed nov\u00e9ho blokov\u00e9ho za\u0159\u00edzen\u00ed Linstor umis\u0165uje po\u017eadovan\u00fd po\u010det replik na r\u016fzn\u00e9 uzly v klastru. Ka\u017edou takovou repliku budeme naz\u00fdvat DRBD zdrojem.<\/p>\n<p><\/p>\n<p>Zdroje jsou dvou typ\u016f:<\/p>\n<p><\/p>\n<ul>\n<li><strong>Data zdroj<\/strong> \u2014 p\u0159edstavuj\u00ed DRBD za\u0159\u00edzen\u00ed um\u00edst\u011bn\u00e9 na uzlu v LVM nebo ZFS poolu.<br \/>\nV sou\u010dasn\u00e9 dob\u011b existuje podpora n\u011bkolika backend\u016f a jejich po\u010det neust\u00e1le roste. Existuje podpora LVM, ThinLVM a ZFS. Posledn\u00ed dv\u011b umo\u017e\u0148uj\u00ed vytv\u00e1\u0159et a pou\u017e\u00edvat snapshoty.<\/li>\n<li><strong>Diskless-ressource<\/strong> \u2014 p\u0159edstavuje DRBD za\u0159\u00edzen\u00ed um\u00edst\u011bn\u00e9 na nod\u011b bez backendu, ale umo\u017e\u0148uje s n\u00edm zach\u00e1zet jako s b\u011b\u017en\u00fdm blokov\u00fdm za\u0159\u00edzen\u00edm, v\u0161echny operace \u010dten\u00ed\/z\u00e1pisu budou p\u0159esm\u011brov\u00e1ny na datov\u00e9 zdroje. Nejbli\u017e\u0161\u00ed analog diskless-ressourc\u00edm je iSCSI LUN.<\/li>\n<\/ul>\n<p><\/p>\n<p>Ka\u017ed\u00fd DRBD zdroj m\u016f\u017ee m\u00edt a\u017e 8 replik a pouze jedna z nich m\u016f\u017ee b\u00fdt ve v\u00fdchoz\u00edm nastaven\u00ed aktivn\u00ed \u2014 <strong>Primary<\/strong>, v\u0161echny ostatn\u00ed budou <strong>Secondary<\/strong> a jejich pou\u017eit\u00ed nebude mo\u017en\u00e9, dokud bude existovat alespo\u0148 jeden Primary, tedy budou pouze replikovat data mezi sebou.<\/p>\n<p><\/p>\n<p>P\u0159ipojen\u00edm DRBD za\u0159\u00edzen\u00ed do syst\u00e9mu se automaticky st\u00e1v\u00e1 <strong>Primary<\/strong>, tak\u017ee dokonce i Diskless-ressource, v terminologii DRBD, m\u016f\u017ee b\u00fdt Primary.<\/p>\n<p><\/p>\n<h5 id=\"tak-zachem-nuzhen-linstor\">Tak pro\u010d je pot\u0159ebn\u00fd Linstor?<\/h5>\n<p><\/p>\n<p>Sv\u011b\u0159en\u00edm v\u0161ech n\u00e1ro\u010dn\u00fdch \u00faloh j\u00e1dru, Linstor v podstat\u011b p\u0159edstavuje oby\u010dejnou Java aplikaci, kter\u00e1 umo\u017e\u0148uje snadno automatizovat vytv\u00e1\u0159en\u00ed DRBD zdroj\u016f.<br \/>\nP\u0159itom ka\u017ed\u00fd vytvo\u0159en\u00fd zdroj bude p\u0159edstavovat nez\u00e1visl\u00fd DRBD klastr, kter\u00fd funguje samostatn\u011b, bez ohledu na stav control-plane a ostatn\u00edch DRBD zdroj\u016f.<\/p>\n<p><\/p>\n<p><strong>Linstor se skl\u00e1d\u00e1 pouze ze dvou komponent:<\/strong><\/p>\n<p><\/p>\n<ul>\n<li><strong>Linstor-controller<\/strong> \u2014 Hlavn\u00ed kontroler, kter\u00fd poskytuje API pro vytv\u00e1\u0159en\u00ed a spr\u00e1vu zdroj\u016f. Tak\u00e9 komunikuje se satelity, kontroluje voln\u00e9 m\u00edsto na nich a pos\u00edl\u00e1 \u00fakoly pro vytv\u00e1\u0159en\u00ed a maz\u00e1n\u00ed nov\u00fdch zdroj\u016f. Spou\u0161t\u00ed se v jedin\u00e9 instanci a pou\u017e\u00edv\u00e1 datab\u00e1zi, kter\u00e1 m\u016f\u017ee b\u00fdt jak intern\u00ed (H2), tak extern\u00ed (PostgreSQL, MySQL, MariaDB).<\/li>\n<li><strong>Linstor-satellite<\/strong> \u2014 Instaluje se na v\u0161echny storage-nody a poskytuje kontrolerovi informace o voln\u00e9m prostoru, a tak\u00e9 vykon\u00e1v\u00e1 \u00fakoly, kter\u00e9 dostane od kontroleru, pro vytv\u00e1\u0159en\u00ed a maz\u00e1n\u00ed nov\u00fdch objem\u016f a DRBD za\u0159\u00edzen\u00ed nad nimi.<\/li>\n<\/ul>\n<p><\/p>\n<p><strong>Linstor operuje s n\u00e1sleduj\u00edc\u00edmi kl\u00ed\u010dov\u00fdmi pojmy:<\/strong><\/p>\n<p><\/p>\n<ul>\n<li><strong>Node<\/strong> \u2014 fyzick\u00fd server, na kter\u00e9m budou vytv\u00e1\u0159eny a pou\u017e\u00edv\u00e1ny DRBD zdroje.<\/li>\n<li><strong>\u00dalo\u017ei\u0161t\u011b<\/strong> \u2014 LVM nebo ZFS pool vytvo\u0159en\u00fd na nod\u011b, ve kter\u00e9m budou um\u00edst\u011bny DRBD zdroje. Je tak\u00e9 mo\u017en\u00fd diskless pool \u2014 to je pool, ve kter\u00e9m budou um\u00edst\u011bny pouze diskless zdroje.<\/li>\n<li><strong>Definice zdroje<\/strong> \u2014 Definice zdroje, v podstat\u011b je to prototyp, kter\u00fd popisuje n\u00e1zev a v\u0161echny jeho vlastnosti.<\/li>\n<li><strong>Definice objemu<\/strong> \u2014 Definice objemu. Ka\u017ed\u00fd zdroj se m\u016f\u017ee skl\u00e1dat z n\u011bkolika objem\u016f, ka\u017ed\u00fd objem mus\u00ed m\u00edt velikost.<\/li>\n<li><strong>Zdroje<\/strong> \u2014 Vytvo\u0159en\u00e1 instance blokov\u00e9ho za\u0159\u00edzen\u00ed, ka\u017ed\u00fd zdroj mus\u00ed b\u00fdt um\u00edst\u011bn na ur\u010dit\u00e9 uzlu a v n\u011bjak\u00e9m \u00falo\u017en\u00e9m poolu.<\/li>\n<\/ul>\n<p><\/p>\n<h2 id=\"ustanovka-linstor\">Instalace Linstoru<\/h2>\n<p><\/p>\n<p>Jako syst\u00e9m doporu\u010duji pou\u017e\u00edt Ubuntu, proto\u017ee pro n\u011bj existuje <noindex><a rel=\"nofollow\" href=\"https:\/\/launchpad.net\/~linbit\/+archive\/ubuntu\/linbit-drbd9-stack\">hotov\u00e9 PPA<\/a><\/noindex>:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">add-apt-repository ppa:linbit\/linbit-drbd9-stack\napt-get update<\/code><\/pre>\n<p><\/p>\n<p>Nebo Debian, kde lze Linstor nainstalovat z ofici\u00e1ln\u00edho repozit\u00e1\u0159e pro Proxmox:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">wget -O- https:\/\/packages.linbit.com\/package-signing-pubkey.asc | apt-key add -\nPVERS=5 &amp;&amp; echo \"deb http:\/\/packages.linbit.com\/proxmox\/ proxmox-$PVERS drbd-9.0\" &gt; \n    \/etc\/apt\/sources.list.d\/linbit.list\napt-get update<\/code><\/pre>\n<p><\/p>\n<h5 id=\"controller\">Ovlada\u010d<\/h5>\n<p><\/p>\n<p>Tady je to jednoduch\u00e9:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">apt-get install linstor-controller linstor-client\nsystemctl enable linstor-controller\nsystemctl start linstor-controller<\/code><\/pre>\n<p><\/p>\n<h5 id=\"storage-nody\">\u00dalo\u017en\u00e9 uzly<\/h5>\n<p><\/p>\n<p>V sou\u010dasnosti se v j\u00e1d\u0159e Linux dod\u00e1v\u00e1 in-tree modul j\u00e1dra <strong>DRBD8<\/strong>, bohu\u017eel n\u00e1m nevyhovuje a mus\u00edme nainstalovat <strong>DRBD9<\/strong>:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">apt-get install drbd-dkms<\/code><\/pre>\n<p><\/p>\n<p>Jak ukazuje praxe, v\u011bt\u0161ina obt\u00ed\u017e\u00ed vznik\u00e1 pr\u00e1v\u011b t\u00edm, \u017ee je do syst\u00e9mu na\u010dten modul DRBD8, nikoliv DRBD9. Na\u0161t\u011bst\u00ed to lze snadno zkontrolovat proveden\u00edm:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">modprobe drbd\ncat \/proc\/drbd<\/code><\/pre>\n<p><\/p>\n<p>Pokud uvid\u00edte <strong>verze: 9<\/strong> \u2014 znamen\u00e1 to, \u017ee je v\u0161e v po\u0159\u00e1dku, pokud <strong>verze: 8<\/strong> \u2014 znamen\u00e1, \u017ee n\u011bco nen\u00ed v po\u0159\u00e1dku a je nutn\u00e9 podniknout dal\u0161\u00ed kroky k zji\u0161t\u011bn\u00ed p\u0159\u00ed\u010din.<\/p>\n<p><\/p>\n<p>Nyn\u00ed nainstalujeme <strong>linstor-satellite<\/strong> a <strong>drbd-utils<\/strong>:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">apt-get install linstor-satellite drbd-utils\nsystemctl enable linstor-satellite\nsystemctl start linstor-satellite<\/code><\/pre>\n<p><\/p>\n<h2 id=\"sozdanie-klastera\">Vytvo\u0159en\u00ed clusteru<\/h2>\n<p><\/p>\n<p><strong>\u00dalo\u017en\u00e9 pooly a uzly<\/strong><\/p>\n<p><\/p>\n<p>Jako backend vezmeme <strong>ThinLVM<\/strong>, proto\u017ee je nejjednodu\u0161\u0161\u00ed a podporuje snapshoty.<br \/>\nNainstalujte <strong>lvm2<\/strong>, pokud jste to je\u0161t\u011b neud\u011blali, a poj\u010fme vytvo\u0159it ThinLVM pool na v\u0161ech na\u0161ich \u00falo\u017en\u00fdch uzlech:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">sudo vgcreate drbdpool \/dev\/sdb\nsudo lvcreate -L 800G -T drbdpool\/thinpool<\/code><\/pre>\n<p><\/p>\n<p>V\u0161echny dal\u0161\u00ed akce mohou b\u00fdt prov\u00e1d\u011bny p\u0159\u00edmo na kontroleru:<\/p>\n<p><\/p>\n<p>P\u0159id\u00e1me na\u0161e uzly:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">linstor node create node1 127.0.0.11\nlinstor node create node2 127.0.0.12\nlinstor node create node3 127.0.0.13<\/code><\/pre>\n<p><\/p>\n<p>Vytvo\u0159\u00edme \u00falo\u017en\u00e9 pooly:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">linstor storage-pool create lvmthin node1 data drbdpool\/thinpool\nlinstor storage-pool create lvmthin node2 data drbdpool\/thinpool\nlinstor storage-pool create lvmthin node3 data drbdpool\/thinpool<\/code><\/pre>\n<p><\/p>\n<p>Nyn\u00ed zkontrolujeme vytvo\u0159en\u00e9 pooly:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">linstor storage-pool list<\/code><\/pre>\n<p><\/p>\n<p>Pokud bylo v\u0161e provedeno spr\u00e1vn\u011b, m\u011bli bychom vid\u011bt n\u011bco jako:<\/p>\n<p><\/p>\n<pre>+-------------------------------------------------------------------------------------------------------+\n| StoragePool | Node  | Driver   | PoolName          | FreeCapacity | TotalCapacity | SupportsSnapshots |\n|-------------------------------------------------------------------------------------------------------|\n| data        | node1 | LVM_THIN | drbdpool\/thinpool |       64 GiB |        64 GiB | true              |\n| data        | node2 | LVM_THIN | drbdpool\/thinpool |       64 GiB |        64 GiB | true              |\n| data        | node3 | LVM_THIN | drbdpool\/thinpool |       64 GiB |        64 GiB | true              |\n+-------------------------------------------------------------------------------------------------------+<\/pre>\n<p><\/p>\n<p><strong>DRBD zdroje<\/strong><\/p>\n<p><\/p>\n<p>Nyn\u00ed se pokus\u00edme vytvo\u0159it nov\u00fd DRBD zdroj:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">linstor resource-definition create myres\nlinstor volume-definition create myres 1G\nlinstor resource create myres --auto-place 2<\/code><\/pre>\n<p><\/p>\n<p>Ov\u011b\u0159\u00edme vytvo\u0159en\u00e9 zdroje:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">linstor resource list <\/code><\/pre>\n<p><\/p>\n<pre>+------------------------------------------------------------------------------------------------------+\n| Node  | Resource | StoragePool | VolumeNr | MinorNr | DeviceName    | Allocated  | InUse  |    State |\n|------------------------------------------------------------------------------------------------------|\n| node1 | myres    | data        | 0        | 1084    | \/dev\/drbd1084 | 52 KiB     | Unused | UpToDate |\n| node2 | myres    | data        | 0        | 1084    | \/dev\/drbd1084 | 52 KiB     | Unused | UpToDate |\n+------------------------------------------------------------------------------------------------------+<\/pre>\n<p><\/p>\n<p>Skv\u011ble! \u2014 vid\u00edme, \u017ee zdroj byl vytvo\u0159en na prvn\u00edch dvou nodech, m\u016f\u017eeme tak\u00e9 zkusit vytvo\u0159it diskless zdroj na t\u0159et\u00edm: <\/p>\n<p><\/p>\n<pre><code class=\"bash\">linstor resource create --diskless node3 myres<\/code><\/pre>\n<p><\/p>\n<p>Na nodech v\u017edy najdete toto za\u0159\u00edzen\u00ed jako <code>\/dev\/drbd1084<\/code> nebo <code>\/dev\/drbd\/by-res\/myres\/0<\/code><\/p>\n<p><\/p>\n<p>Takto Linstor funguje, m\u016f\u017eete z\u00edskat v\u00edce informac\u00ed z <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.linbit.com\/docs\/users-guide-9.0\/\">ofici\u00e1ln\u00ed dokumentaci<\/a><\/noindex>.<\/p>\n<p><\/p>\n<p>Nyn\u00ed v\u00e1m pov\u00edm, jak jej integrovat s OpenNebula<\/p>\n<p><\/p>\n<h2 id=\"nastroyka-opennebula\">Nastaven\u00ed OpenNebula<\/h2>\n<p><\/p>\n<p>Nebudu se p\u0159\u00edli\u0161 zab\u00fdvat procesem nastaven\u00ed OpenNebula, proto\u017ee v\u0161echny kroky jsou podrobn\u011b pops\u00e1ny v <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.opennebula.org\/stable\/deployment\/opennebula_installation\/index.html\">ofici\u00e1ln\u00ed dokumentaci<\/a><\/noindex>, na kterou v\u00e1m doporu\u010duji se obr\u00e1tit, pov\u00edm pouze o integraci OpenNebula s Linstor.<\/p>\n<p><\/p>\n<h5 id=\"linstor_un\">linstor_un<\/h5>\n<p><\/p>\n<p>Pro tento \u00fakol jsem napsal vlastn\u00ed ovlada\u010d \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OpenNebula\/addon-linstor_un\">linstor_un<\/a><\/noindex>, v sou\u010dasnosti je k dispozici jako plugin a m\u011bl by b\u00fdt nainstalov\u00e1n zvl\u00e1\u0161\u0165.<\/p>\n<p><\/p>\n<p>Cel\u00e1 instalace prob\u00edh\u00e1 na frontend OpenNebula nodech a nevy\u017eaduje \u017e\u00e1dn\u00e9 dodate\u010dn\u00e9 kroky na compute nodech.<\/p>\n<p><\/p>\n<p>Nejprve se mus\u00edme ujistit, \u017ee m\u00e1me <strong>jq<\/strong> a <strong>linstor-client<\/strong>:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">apt-get install jq linstor-client<\/code><\/pre>\n<p><\/p>\n<p>T\u00fdm <code>linstor node list<\/code> by m\u011bla vr\u00e1tit seznam nod\u016f. V\u0161echny compute nody OpenNebula by m\u011bly b\u00fdt p\u0159id\u00e1ny do klastru Linstor.<\/p>\n<p><\/p>\n<p>St\u00e1hneme a nainstalujeme plugin:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">curl -L https:\/\/github.com\/OpenNebula\/addon-linstor_un\/archive\/master.tar.gz | tar -xzvf - -C \/tmp\n\nmv \/tmp\/addon-linstor_un-master\/vmm\/kvm\/* \/var\/lib\/one\/remotes\/vmm\/kvm\/\n\nmkdir -p \/var\/lib\/one\/remotes\/etc\/datastore\/linstor_un\nmv \/tmp\/addon-linstor_un-master\/datastore\/linstor_un\/linstor_un.conf \/var\/lib\/one\/remotes\/etc\/datastore\/linstor_un\/linstor_un.conf\n\nmv \/tmp\/addon-linstor_un-master\/datastore\/linstor_un \/var\/lib\/one\/remotes\/datastore\/linstor_un\nmv \/tmp\/addon-linstor_un-master\/tm\/linstor_un \/var\/lib\/one\/remotes\/tm\/linstor_un\n\nrm -rf \/tmp\/addon-linstor_un-master<\/code><\/pre>\n<p><\/p>\n<p>Nyn\u00ed je pot\u0159eba p\u0159idat jej do konfigurace OpenNebula, k tomu provedeme n\u011bkolik jednoduch\u00fdch krok\u016f, jak je pops\u00e1no. <strong><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OpenNebula\/addon-linstor_un#update-onedconf\">zde<\/a><\/noindex><\/strong>.<\/p>\n<p><\/p>\n<p>Pot\u00e9 restartujeme OpenNebula:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">systemctl restart opennebula<\/code><\/pre>\n<p><\/p>\n<p>A p\u0159id\u00e1me na\u0161e datastory, syst\u00e9mov\u00fd:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">cat &gt; system-ds.conf &lt;&lt;EOT\nNAME=&quot;linstor-system&quot;\nTYPE=&quot;SYSTEM_DS&quot;\nSTORAGE_POOL=&quot;data&quot;\nAUTO_PLACE=&quot;2&quot;\nCLONE_MODE=&quot;snapshot&quot;\nCHECKPOINT_AUTO_PLACE=&quot;1&quot;\nBRIDGE_LIST=&quot;node1 node2 node3&quot;\nTM_MAD=&quot;linstor_un&quot;\nEOT\n\nonedatastore create system-ds.conf<\/code><\/pre>\n<p><\/p>\n<p>A \u00falo\u017ei\u0161t\u011b obraz\u016f:<\/p>\n<p><\/p>\n<pre><code class=\"bash\">cat &gt; images-ds.conf &lt;&lt;EOT\nNAME=&quot;linstor-images&quot;\nTYPE=&quot;IMAGE_DS&quot;\nSTORAGE_POOL=&quot;data&quot;\nAUTO_PLACE=&quot;2&quot;\nBRIDGE_LIST=&quot;node1 node2 node3&quot;\nDISK_TYPE=&quot;BLOCK&quot;\nDS_MAD=&quot;linstor_un&quot;\nTM_MAD=&quot;linstor_un&quot;\nEOT\n\nonedatastore create images-ds.conf<\/code><\/pre>\n<p><\/p>\n<ul>\n<li>Parameter <code>AUTO_PLACE<\/code> ud\u00e1v\u00e1 po\u010det replik dat, kter\u00e9 budou vytvo\u0159eny pro ka\u017ed\u00fd nov\u00fd obraz v OpenNebula.<\/li>\n<li>Parameter <code>CLONE_MODE<\/code> ur\u010duje, jak p\u0159esn\u011b budou obrazy klonov\u00e1ny p\u0159i vytv\u00e1\u0159en\u00ed nov\u00fdch virtu\u00e1ln\u00edch stroj\u016f, <code>snapshot<\/code> \u2014 vytvo\u0159\u00ed snapshot obrazu a z n\u011bj spust\u00ed virtu\u00e1ln\u00ed stroj, <code>smazat<\/code> \u2014 vytvo\u0159\u00ed plnou kopii obrazu pro ka\u017ed\u00fd virtu\u00e1ln\u00ed stroj.<\/li>\n<li>V <code>BRIDGE_LIST<\/code> je doporu\u010deno uv\u00e9st v\u0161echny uzly, kter\u00e9 budou pou\u017e\u00edv\u00e1ny k prov\u00e1d\u011bn\u00ed operac\u00ed klonov\u00e1n\u00ed obraz\u016f. <\/li>\n<\/ul>\n<p><\/p>\n<p>\u00dapln\u00fd seznam podporovan\u00fdch parametr\u016f je uveden v <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OpenNebula\/addon-linstor_un#opennebula-configuration\">README<\/a><\/noindex> projektu.<\/p>\n<p><\/p>\n<p>T\u00edm je nastaven\u00ed dokon\u010deno, nyn\u00ed je mo\u017en\u00e9 st\u00e1hnout n\u011bjak\u00fd appliance z ofici\u00e1ln\u00edho <noindex><a rel=\"nofollow\" href=\"https:\/\/marketplace.opennebula.systems\/appliance\">OpenNebula Marketplace<\/a><\/noindex> a vytvo\u0159it z n\u011bj virtu\u00e1ln\u00ed stroje.<\/p>\n<p><\/p>\n<p>Odkaz na projekt:<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OpenNebula\/addon-linstor_un\">https:\/\/github.com\/OpenNebula\/addon-linstor_un<\/a><\/noindex><\/p>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/451186\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435 \u0442\u0430\u043a \u0434\u0430\u0432\u043d\u043e \u0440\u0435\u0431\u044f\u0442\u0430 \u0438\u0437 LINBIT \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u0441\u0432\u043e\u0435 \u043d\u043e\u0432\u043e\u0435 SDS-\u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u2014 Linstor. \u042d\u0442\u043e \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0435 \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435 \u0432 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u043d\u044b\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438: DRBD, LVM, ZFS. Linstor \u0441\u043e\u0447\u0435\u0442\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u0435 \u043f\u0440\u043e\u0441\u0442\u043e\u0442\u0443 \u0438 \u0445\u043e\u0440\u043e\u0448\u043e \u043f\u0440\u043e\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u0443\u044e \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0443, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0438 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0432\u043d\u0443\u0448\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432. \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u044f \u0445\u043e\u0442\u0435\u043b \u0431\u044b \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u0442\u044c \u043f\u0440\u043e \u043d\u0435\u0433\u043e \u0447\u0443\u0442\u044c \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435 \u0438 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u044c \u043d\u0430\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u043e\u0441\u0442\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":25221,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-33523","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=\"\u041d\u0435 \u0442\u0430\u043a \u0434\u0430\u0432\u043d\u043e \u0440\u0435\u0431\u044f\u0442\u0430 \u0438\u0437 LINBIT.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link 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