[linux-lvm] LVM 0.8 and reiser filesystem

Andi Kleen ak at suse.de
Wed Jun 7 16:14:47 UTC 2000

On Wed, Jun 07, 2000 at 05:34:20PM +0200, Luca Berra wrote:
> On Wed, Jun 07, 2000 at 02:59:54PM +0200, Andi Kleen wrote:
> > In RAID5 that is very bad (e.g. when the parity block is not uptodate
> > and another block is unreadable) you get silent data corruption. In
> > RAID1 with a slave device you at worst get oudated data (may cause
> I thought the event counter in the raid superblock was used for this
> purpose.

That would require adding a generation counter to every raid stripe
(=losing at least one block/stripe) 
and also writing of the superblock before every write.


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