On Tue, Sep 13, 2011 at 1:22 AM, Arjen van der Meijden < acmmail...@tweakers.net> wrote:
> > On 12-9-2011 0:44 Anthony Presley wrote: > >> A few weeks back, we purchased two refurb'd HP DL360's G5's, and were >> hoping to set them up with PG 9.0.2, running replicated. These machines >> have (2) 5410 Xeon's, 36GB of RAM, (6) 10k SAS drives, and are using the >> HP SA P400i with 512MB of BBWC. PG is running on an ext4 (noatime) >> partition, and they drives configured as RAID 1+0 (seems with this >> controller, I cannot do JBOD). >> > > If you really want a JBOD-setup, you can try a RAID0 for each available > disk, i.e. in your case 6 separate RAID0's. That's how we configured our > Dell H700 - which doesn't offer JBOD as well - for ZFS. > That's a pretty good idea ... I'll try that on our second server today. In the meantime, after tweaking it a bit, we were able to get (with iozone): Old New Initial write 75.85 220.68 Rewrite 63.95 253.07 Read 45.04 171.35 Re-read 45 2405.23 Random read 27.56 1733.46 Random write 50.7 239.47 Not as fas as I'd like, but faster than the old disks, for sure. -- Anthony
