An buga sakin na'urar toshewar da aka rarraba DRBD 9.2.0, wanda ke ba ku damar aiwatar da wani abu kamar tsararrun RAID-1 da aka kirkira daga fayafai da yawa na injuna daban-daban da aka haɗa akan hanyar sadarwa (mirrorin hanyar sadarwa). An ƙirƙira tsarin azaman ƙirar ƙirar Linux kuma ana rarraba shi ƙarƙashin lasisin GPLv2. Za a iya amfani da reshe na drbd 9.2.0 don maye gurbin drbd 9.xx a sarari kuma yana da cikakkiyar jituwa a matakin yarjejeniya, fayilolin sanyi da kayan aiki.
DRBD yana ba da damar haɗa faifai na nodes ɗin tari zuwa ma'ajiya mai jurewa kuskure guda ɗaya. Don aikace-aikace da tsarin, irin wannan ajiya yana kama da na'urar toshe wanda yake daidai da duk tsarin. Lokacin amfani da DRBD, ana aika duk ayyukan faifai na gida zuwa wasu nodes kuma ana aiki tare da faifai na wasu injuna. Idan kumburi ɗaya ya gaza, ajiyar zai ci gaba da aiki ta atomatik ta amfani da ragowar nodes. Lokacin da aka dawo da samuwar kumburin da ya gaza, za a sabunta yanayin sa ta atomatik.
Tarin da ke samar da ma'ajiyar ƙila ya haɗa da nodes dozin da yawa waɗanda ke kan hanyar sadarwa na gida da kuma rarrabawa a wurare daban-daban a cibiyoyin bayanai daban-daban. Ana yin aiki tare a cikin irin wannan ma'ajiyar reshe ta amfani da fasahar cibiyar sadarwa ta raga (bayanai suna gudana tare da sarkar daga kumburi zuwa kumburi). Ana iya yin maimaita nodes duka a yanayin aiki tare da asynchronous. Misali, nodes ɗin da aka gudanar a cikin gida na iya amfani da kwafi na aiki tare, kuma don canja wuri zuwa rukunan yanar gizo, ana iya amfani da kwafin asynchronous tare da ƙarin matsawa da ɓoyayyen zirga-zirga.
A cikin sabon saki:
- Rage jinkiri don buƙatun rubutu na madubi. Haɗin kai tare da tarin cibiyar sadarwa ya rage adadin masu sauya mahallin mahallin.
- Rage gardama tsakanin I/O aikace-aikace da sake daidaitawa I/O ta haɓaka kullewa lokacin sake daidaita ma'auni.
- Ingantacciyar ingantacciyar aikin sake daidaitawa akan bangon baya waɗanda ke amfani da ƙayyadaddun ma'ajiya mai ƙarfi ("samar da bakin ciki"). An inganta ayyuka ta hanyar haɗa ayyukan datsa/jifa, waɗanda ke ɗaukar lokaci mai tsawo fiye da ayyukan rubutu na yau da kullun.
- Ƙara goyon baya ga wuraren sunaye na cibiyar sadarwa, wanda ya ba da damar haɗawa tare da Kubernetes don watsa zirga-zirgar hanyar sadarwa ta hanyar sadarwa daban-daban da ke hade da kwantena, maimakon hanyar sadarwa na mahallin mahalli.
- Ƙara kayan sufuri_rdma don amfani azaman jigilar Infiniband/RoCE maimakon TCP/IP akan Ethernet. Yin amfani da sabon sufuri yana ba ku damar rage jinkiri, rage nauyi akan CPU kuma tabbatar da cewa an karɓi bayanai ba tare da ayyukan kwafin da ba dole ba (kwafin sifili).
source: budenet.ru