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Re: [linux-lvm] snapshots+highmem+'md raid5'



On Thursday, June 12, 2003, at 07:41 AM, Heinz J . Mauelshagen wrote:


Anyone out there using MD RAID5 as physical volumes, high memory enabled
(> 960m of physical memory) and snapshots under load successfully ?


It depends on your definition of successful. I'm using 2.4.18 with HIGHMEM and RAID 5 physical volumes, (and my chaining snapshot patch). Existing snapshots seem to work OK under load, but I have trouble creating the snapshots under load consistently. My problems are with xfs_fs_freeze(), xfs's fsync_dev_lockfs implementation.

I have similar problems with 2.4.19. I've run with 2.4.20, but not under load. Haven't tried 2.4.21 yet.

Dale J. Stephenson
dalestephenson mac com




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