I-Multipathing ivumela inhlanganisela yokuxhumana okuningi okubonakalayo phakathi kweseva nohlu lwesitoreji kudivayisi eyodwa ebonakalayo. Lokhu kungenziwa ukuze kuhlinzekwe ngoxhumano oluqinile kusitoreji sakho (indlela eya phansi ngeke iphazamise ukuxhumana), noma ukuhlanganisa umkhawulokudonsa wesitoreji ukuze usebenze kangcono.
Kuyini ukuphindaphinda futhi kungani kuyadingeka?
Ukuphindaphinda kuyinto indlela yokwakha engaphezu kweyodwa indlela ebonakalayo phakathi kweseva namadivayisi ayo okugcina. Kuholela ekubekezeleleni okungcono kwamaphutha kanye nokwenza ngcono ukusebenza. … Amaseva e-Oracle VM afakwe futhi avunyelwe ukuphindaphinda ngenxa yokuthi kuyimfuneko ukuze amadiski e-SAN atholwe Umphathi we-Oracle VM.
Kuyini ukuhlola kokuphindaphinda nokuphindaphinda?
Umhlahlandlela wabaqalayo kumephu yedivayisi (DM) yokuphindaphinda
- Izingxenye zemephu yedivayisi. …
- Hlola ukuthi i-device-mapper ifakiwe yini.
- Hlola ukuthi amamojula alandelayo wemephu yedivayisi alayishiwe.
- Uma izimo ezingenhla zifinyelelwa, hlola ukuthi ifayela /etc/multipath. …
- Hlola ukuthi i-multipathd iyasebenza yini.
Ikuphi i-multipath ku-Linux?
Ungakwazi sebenzisa umyalo we-multipath kumsingathi we-Linux ukuze ubuke ukucushwa kwe-DM-Multipath.
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Ukuze uhlole ukuthi yiziphi izilungiselelo ze-DM-Multipath ezisetshenziswayo njengamanje kumsingathi we-Linux, kufanele usebenzise imiyalo elandelayo:
- Abasingathi be-RHEL6: ukulungiselelwa kombukiso we-multipathd.
- Abasingathi be-RHEL5: multipathd -k”show config.
- Abasingathi be-SLES11: ukulungiselelwa kombukiso we-multipathd.
Iyini Ifayela Le-Multipath?
Ngokuzenzakalelayo, i-DM-Multipath ihlinzeka amanani okumisa we ukusetshenziswa okuvame kakhulu kokuphindaphinda. Amanani okumisa azenzakalelayo namadivayisi asekelwayo angatholakala kokuthi /usr/share/doc/device-mapper-multipath-0.4. … 7/ubuningi.
Kungani kubalulekile ukuphindaphinda?
I-multipathing, ebizwa nangokuthi i-SAN multipathing noma i-I/O multipathing, i ukusungulwa kwemizila ebonakalayo eminingi phakathi kweseva nedivayisi yokubeka eyisekelayo. … Ngaphezu kokuba ithuluzi elisebenzisekayo le-failover, ukuphindaphinda kungasiza ngokulinganisa umthwalo, ukusabalalisa i-I/O ezindleleni eziningi ukuze kuncishiswe ukubambezeleka.
Yini i-multipathing futhi kungani idingeka ku-Linux?
Ukuphindaphinda ivumela inhlanganisela yokuxhumana okuningi okuphathekayo phakathi kweseva namalungu afanayo esitoreji kudivayisi eyodwa ebonakalayo. Lokhu kungenziwa ukuze kuhlinzekwe ngoxhumano oluqinile kusitoreji sakho (indlela eya phansi ngeke iphazamise ukuxhumana), noma ukuhlanganisa umkhawulokudonsa wesitoreji ukuze usebenze kangcono.
Ngabe isebenza kanjani i-Linux multipathing?
Ukunika amandla i-Multipathing ku-Linux
- Namathisela uhlu lwe-J4500 kuseva enenguqulo esekelwe ye-Linux efakiwe.
- Kuseva, hlela noma dala ifayela /etc/multipath. …
- Qalisa kabusha iseva.
- Ngemva kokuqalisa kabusha, qiniseka ukuthi i-OS ithola wonke amadiski kuhlu lwe-J4500 ngokusebenzisa imiyalo ye-Linux, i-fdisk noma i-lsscsi.
Ukuhlola kanjani ukuphindaphinda?
Ukuqinisekiswa kwezindlela eziningi kubasingathi be-Windows
- Vula Ukuphathwa Kwediski. …
- Chofoza kwesokudla idiski ngayinye ofuna ukuqinisekisa izindlela eziningi bese uchofoza Properties.
- Kuthebhu ye-MPIO, kuhlu lwenqubomgomo ethi Khetha i-MPIO, chofoza zonke izindlela ezisebenzayo. …
- Vula umyalo womyalo weWindows.
- Qalisa i-mpclaim.exe -vc:multipathconfig.
Iyini i-dmsetup ku-Linux?
dmsetup iphatha amadivaysi anengqondo asebenzisa umshayeli wemephu yedivayisi. Amadivayisi adalwa ngokulayisha ithebula elicacisa impokophelo yomkhakha ngamunye (amabhayithi angu-512) kudivayisi enengqondo. I-agumenti yokuqala ku-dmsetup iwumyalo. I-agumenti yesibili yigama ledivayisi elinengqondo noma i-uuid.
Ngiskena kanjani i-LUN ku-Linux?
Landela lezi zinyathelo ezingezansi ukuze uskene i-LUN entsha ku-OS bese wenza izindlela eziningi.
- Skena kabusha ababungazi be-SCSI: # ukuze uthole umsingathi ku-'ls /sys/class/scsi_host' yenza i-echo ${host}; echo “- – -” > /sys/class/scsi_host/${host}/scan done.
- Khipha i-LIP kubasingathi be-FC:…
- Qalisa ukuskena kabusha iskripthi kusuka ku-sg3_utils:
Ngiyisusa kanjani idivayisi ye-multipath?
I-Red Hat Enterprise Linux 5 - Indlela Yokukhipha Idivayisi Yesitoreji (LUN)
- Misa konke ukufinyelela kudivayisi okufanele isuswe.
- Yehlisa idivayisi.
- Susa idivayisi kunoma iyiphi ivolumu ye-md ne-LVM eyisebenzisayo.
- Uma kukhishwa idivayisi ye-multipath, sebenzisa i-multipath -l futhi uqaphele zonke izindlela eziya kudivayisi.
Ngiluvimbela kanjani idivayisi ku-multipath conf?
Ukuze ugweme amadivayisi angawodwana, ungahluza usebenzisa i-WWID yaleyo divayisi. Qaphela ukuthi ekuphumeni komyalo we-multipath -v2, i-WWID yedivayisi ye-/dev/sda ithi SIBM-ESXSST336732LC____F3ET0EP0Q000072428BX1. Ukuvinjelwa le divayisi, faka okulandelayo ku-/etc/multipath. conf ifayela.