disc failure within lvm group
I've just setup 4 scsi 10g disk on a LVM volume, and created one
partition which comes up to be 36g. My question is, what happens if one of the hard drives fail? what does LVM do? does the entire group die? I am running ubuntu dapper on a intel pentium III 800mhz server. |
disc failure within lvm group
In article .com,
avi wrote: I've just setup 4 scsi 10g disk on a LVM volume, and created one partition which comes up to be 36g. My question is, what happens if one of the hard drives fail? what does LVM do? does the entire group die? Yup :-) An LVM volume is just a concatenation of some number of physical discs. |
disc failure within lvm group
On 18 Lug, 21:55, (the wharf rat) wrote:
In article .com, avi wrote: I've just setup 4 scsi 10g disk on a LVM volume, and created one partition which comes up to be 36g. My question is, what happens if one of the hard drives fail? what does LVM do? does the entire group die? Yup :-) An LVM volume is just a concatenation of some number of physical discs. Well nope! It's true that what you have is (only) a concatenation of discs w/o proper protection, but if you reach the "quorum", and in your case 3 out 4 discs grant the quorum, you should be able to activate the Volume Group! This doesn't mean that you can read your data though(!), it all depends on your FS layout and writing schema (strpped or not, etc) or maybe on which disc you've lost, but you can also be lucky! |
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