Server Suggestion Request
gmccullagh at gmail.com
Mon Jun 30 22:24:21 BST 2008
On Mon, 30 Jun 2008, Daniel Kahn Gillmor wrote:
> Is this still true with modern mdadm? I thought that the RAID
> superblock on modern systems contained information about
> "last-written" times, to enable recovery from exactly this problem.
> I'm not a RAID guru, though: if anyone could point me toward the
> relevant documentation, i'd be grateful.
Are you talking about write-intent bitmaps? I don't think they prevent
inconsistency, so much as speed the resync.
There are other situations when inconsistency can occur, though I'm not
sure how they compare to a hardware raid situation.
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