Hi Joe, On Fri, Nov 20, 2009 at 9:43 AM, Joe Landman <land...@scalableinformatics.com> wrote: > > We have customers with 32TB raw per RAID, and when a drive fails, it > rebuilds. Rebuild time is a function of how fast the card is set up to do > rebuilds, you can tune the better cards in terms of "background" rebuild > performance. For low rebuild speeds, we have seen 24 hours+, for high > rebuild speeds, we have seen 12-15 hours for the 32TB. >
Thanks for that. That sounds inline with my expectations. Any chance you've compared linux md raid6 to hardware solutions for your devices? > ZFS is probably not what you want to do ... building a critical dependency > upon a product that has a somewhat uncertain future ... > I'm not too worried about zfs - it has plenty of following. I'm personally waiting for btrfs to stabilize so we can start testing, but that's a ways off. The issue here is that the group setting up these storage servers is an all linux shop, and they don't want the overhead of another OS. Thanks -jim _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf