On 01/18/07 21:28, Kris Kennaway wrote: > On Thu, Jan 18, 2007 at 09:51:56PM -0500, W. Josephson wrote: >> I'd like to solicit people's opinions about configuring >> CURRENT for a new fileserver that we'll be using internally. >> I have only recently had hardware available for running anything >> other than 6-STABLE so: >> >> 1. We'd like to use the 16-port 3Ware 9650SE-16. >> Does anyone here have experience with this card in >> RAID-6 mode under FreeBSD? >> >> 2. Any one have advice for setting up UFS+gjournal? >> I've been using FFS+SU for some time on a number of machines >> with filesystems up to about 1TB, but I'm not looking forward >> to fsck, even background fsck, on multiple 10TB filesystems. >> Does anyone here have experience with UFS+gjournal on large >> filesystems? Are there any gotchas to be aware of when >> configuring? Can someone describe briefly what guarantees >> UFS+gjournal makes? > > One gotcha with gjournal is that there is apparently still at least > one pretty obscure data corruption bug lurking. I see this when doing > concurrent package builds on a 12 cpu system with a single gjournal > data store, although I haven't run this configuration for a few > months. > > Kris As a data point, I've been using gjournal with two 10Tb file systems (same host) for some time now, and it has been doing the job quite well. I don't have nearly the number of CPU's as you, and I dedicate a journal for each fs. Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology An undefined problem has an infinite number of solutions. ------------------------------------------------------------------------Received on Fri Jan 19 2007 - 16:22:41 UTC
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