* Re: [linux-lvm] LVM metsdata
@ 2001-10-09 18:30 RLambert1
0 siblings, 0 replies; 3+ messages in thread
From: RLambert1 @ 2001-10-09 18:30 UTC (permalink / raw)
To: linux-lvm
^ permalink raw reply [flat|nested] 3+ messages in thread
* [linux-lvm] LVM metsdata
@ 2001-10-08 20:42 Lee Go-Tze
2001-10-09 7:47 ` Joe Thornber
0 siblings, 1 reply; 3+ messages in thread
From: Lee Go-Tze @ 2001-10-08 20:42 UTC (permalink / raw)
To: LVM
I have a novice question. How does the LVM
protect its metadata. I mean does it do some
sort of metadata check when machine comes up
(notices the system did not shutdown properly)?
Or maybe it uses journaling? I imagine the
updates to lv/vg/pv structures have to be
transactional.
Thanks,
Go-Tze
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [linux-lvm] LVM metsdata
2001-10-08 20:42 Lee Go-Tze
@ 2001-10-09 7:47 ` Joe Thornber
0 siblings, 0 replies; 3+ messages in thread
From: Joe Thornber @ 2001-10-09 7:47 UTC (permalink / raw)
To: linux-lvm
On Mon, Oct 08, 2001 at 01:42:54PM -0700, Lee Go-Tze wrote:
> I have a novice question. How does the LVM
> protect its metadata. I mean does it do some
> sort of metadata check when machine comes up
> (notices the system did not shutdown properly)?
> Or maybe it uses journaling? I imagine the
> updates to lv/vg/pv structures have to be
> transactional.
Transactional updates will go into LVM after mid November. Checksums
for the metadata will also go in at this point. ATM problems are
spotted by consistency checks (the is a lot of duplication between the
pv's). If a problem is spotted the administrator can restore from the
automatic metadata backups.
- Joe
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2001-10-09 18:30 [linux-lvm] LVM metsdata RLambert1
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2001-10-08 20:42 Lee Go-Tze
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