Re[2]: [zfs-discuss] RAM size tuning for ZFS file servers...

2006-05-14 Thread Robert Milkowski
Hello Erik, Friday, May 12, 2006, 10:34:58 PM, you wrote: ET> So, I'll be using this: ET> 3 x Sun 3511FC SATA JBODs, each with 12 400GB disks. The setup is a ET> 11-wide stripe of 3-disk RAIDZ vdevs, with the remain 3 drives as ET> hot-spares. They'll attach to x4200 Opterons or V440 Sparcs as

Re: [zfs-discuss] RAM size tuning for ZFS file servers...

2006-05-12 Thread Erik Trimble
Thanks, Al. I've been tracking ZFS (and playing with it for almost 4 months now), so I'm very much interested in phasing out our UFS and VxFS systems for it, though obviously not immediately. Let me give a more concrete example: We have an archive server, where old builds go to die. I mean, rest

Re: [zfs-discuss] RAM size tuning for ZFS file servers...

2006-05-12 Thread Al Hopper
On Fri, 12 May 2006, Erik Trimble wrote: > I'm looking at using ZFS as our main file server FS over here. > > I can do the disk layout tuning myself, but what I'm more interested in > is getting thoughts on the amount of RAM that might help performance on > these machines. Assume I've got more th

[zfs-discuss] RAM size tuning for ZFS file servers...

2006-05-12 Thread Erik Trimble
I'm looking at using ZFS as our main file server FS over here. I can do the disk layout tuning myself, but what I'm more interested in is getting thoughts on the amount of RAM that might help performance on these machines. Assume I've got more than enough network and disk bandwidth, and the disk