Logical Volume Management (LVM) makes it easier to manage disk space. If a file system needs more space, it can be added to its logical volumes from the free spaces in its volume group and the file system can be re-sized as we wish.
What is the purpose of LVM in Linux?
LVM yog siv rau cov hom phiaj hauv qab no: Tsim ib qho laj thawj ntawm ntau lub cev ntim lossis tag nrho cov hard disks (me ntsis zoo ib yam li RAID 0, tab sis zoo ib yam li JBOD), tso cai rau lub ntim dynamic resizing.
Kuv puas xav tau LVM hauv Linux?
LVM tau yuav pab tau heev nyob rau hauv ib puag ncig dynamic, thaum disks thiab partitions feem ntau tsiv los yog resized. Txawm hais tias cov partitions ib txwm tuaj yeem hloov pauv, LVM hloov pauv ntau dua thiab muab kev ua haujlwm txuas ntxiv. Raws li kev paub tab, LVM kuj tseem ruaj khov thiab txhua qhov kev faib tawm Linux txhawb nws los ntawm lub neej ntawd.
What is LVM setup?
LVM sawv rau Logical Volume Management. Nws yog ib qho system ntawm kev tswj cov khoom siv logical, los yog cov ntaub ntawv, uas yog ntau dua thiab hloov tau dua li cov txheej txheem ntawm kev faib cov disk rau hauv ib lossis ntau ntu thiab formatting qhov kev faib nrog cov ntaub ntawv.
Puas yog LVM yog RAID?
LVM zoo li RAID-0, tsis muaj redundancy. Nrog rau cov ntaub ntawv striped hla tag nrho plaub disks, muaj 7.76% muaj feem ntawm ib tug disk crashing thiab tag nrho cov ntaub ntawv tau ploj. Xaus: LVM tsis muaj redundancy, tsis yog RAID-0, thiab backups tseem ceeb heev. Tsis tas li ntawd, tsis txhob hnov qab sim koj cov txheej txheem rov qab!
How do I know if I have an LVM?
Try running lvdisplay on command line thiab yuav tsum tso saib LVM ntim yog tias lawv muaj. Khiav df ntawm MySQL data directory; qhov no yuav rov qab tau lub cuab yeej uas cov npe nyob. Tom qab ntawd khiav lvs lossis lvdisplay los xyuas seb lub cuab yeej puas yog LVM ib qho.
Kuv puas yuav tsum siv LVM thaum txhim kho Ubuntu?
Yog tias koj siv Ubuntu ntawm lub khoos phis tawj nrog tsuas yog ib lub hard drive sab hauv thiab koj tsis xav tau cov yam ntxwv txuas ntxiv xws li nyob snapshots, ces koj tej zaum yuav tsis xav LVM. Yog tias koj xav tau kev nthuav dav yooj yim lossis xav muab ntau lub hard drive rau hauv ib lub pas dej ua ke, LVM tej zaum yuav yog qhov koj tau nrhiav.
What is difference between LVM1 and LVM2?
What is the difference between LVM1 & LVM2? LVM2 uses device mapper driver contained in 2.6 kernel version. LVM1 was included in the 2.4 series kernels. … It gathers to gather a collection of logical volumes and physical volumes into one administrative unit.