On Sun, 22 Apr 2007, Mr. James W. Laferriere wrote:
Hello Justin ,
On Sun, 22 Apr 2007, Justin Piszcz wrote:
On Sun, 22 Apr 2007, Pallai Roland wrote:
On Sunday 22 April 2007 16:48:11 Justin Piszcz wrote:
Have you also optimized your stripe cache for writes?
Not yet. Is it worth i
Hello Justin ,
On Sun, 22 Apr 2007, Justin Piszcz wrote:
On Sun, 22 Apr 2007, Pallai Roland wrote:
On Sunday 22 April 2007 16:48:11 Justin Piszcz wrote:
Have you also optimized your stripe cache for writes?
Not yet. Is it worth it?
--
d
Yes, it is-- well, if write speed is important
On Sunday 22 April 2007 16:48:11 Justin Piszcz wrote:
> Have you also optimized your stripe cache for writes?
Not yet. Is it worth it?
--
d
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On Sun, 22 Apr 2007, Pallai Roland wrote:
On Sunday 22 April 2007 16:48:11 Justin Piszcz wrote:
Have you also optimized your stripe cache for writes?
Not yet. Is it worth it?
--
d
Yes, it is-- well, if write speed is important to you that is?
Each of these write tests are averaged ove
On Sunday 22 April 2007 13:42:43 Justin Piszcz wrote:
> http://www.rhic.bnl.gov/hepix/talks/041019pm/schoen.pdf
> Check page 13 of 20.
Thanks, interesting presentation. I'm working in the same area now, big media
files and many clients. I spent some days to build a low-cost, high
performance se
On Sun, 22 Apr 2007, Pallai Roland wrote:
On Sunday 22 April 2007 13:42:43 Justin Piszcz wrote:
http://www.rhic.bnl.gov/hepix/talks/041019pm/schoen.pdf
Check page 13 of 20.
Thanks, interesting presentation. I'm working in the same area now, big media
files and many clients. I spent some day
On Sun, 22 Apr 2007, Pallai Roland wrote:
On Sunday 22 April 2007 12:23:12 Justin Piszcz wrote:
On Sun, 22 Apr 2007, Pallai Roland wrote:
On Sunday 22 April 2007 10:47:59 Justin Piszcz wrote:
On Sun, 22 Apr 2007, Pallai Roland wrote:
On Sunday 22 April 2007 02:18:09 Justin Piszcz wrote:
On Sunday 22 April 2007 12:23:12 Justin Piszcz wrote:
> On Sun, 22 Apr 2007, Pallai Roland wrote:
> > On Sunday 22 April 2007 10:47:59 Justin Piszcz wrote:
> >> On Sun, 22 Apr 2007, Pallai Roland wrote:
> >>> On Sunday 22 April 2007 02:18:09 Justin Piszcz wrote:
> How did you run your read te
On Sun, 22 Apr 2007, Pallai Roland wrote:
On Sunday 22 April 2007 10:47:59 Justin Piszcz wrote:
On Sun, 22 Apr 2007, Pallai Roland wrote:
On Sunday 22 April 2007 02:18:09 Justin Piszcz wrote:
How did you run your read test?
I did run 100 parallel reader process (dd) top of XFS file sys
On Sunday 22 April 2007 10:47:59 Justin Piszcz wrote:
> On Sun, 22 Apr 2007, Pallai Roland wrote:
> > On Sunday 22 April 2007 02:18:09 Justin Piszcz wrote:
> >>
> >> How did you run your read test?
> >>
> >
> > I did run 100 parallel reader process (dd) top of XFS file system, try
> > this: for i
On Sun, 22 Apr 2007, Pallai Roland wrote:
On Sunday 22 April 2007 02:18:09 Justin Piszcz wrote:
On Sat, 21 Apr 2007, Pallai Roland wrote:
RAID5, chunk size 128k:
# mdadm -C -n8 -l5 -c128 -z 1200 /dev/md/0 /dev/sd[ijklmnop]
(waiting for sync, then mount, mkfs, etc)
# blockdev --setra 4
On Sunday 22 April 2007 02:18:09 Justin Piszcz wrote:
> On Sat, 21 Apr 2007, Pallai Roland wrote:
> >
> > RAID5, chunk size 128k:
> >
> > # mdadm -C -n8 -l5 -c128 -z 1200 /dev/md/0 /dev/sd[ijklmnop]
> > (waiting for sync, then mount, mkfs, etc)
> > # blockdev --setra 4096 /dev/md/0
> > # ./rea
On Sat, 21 Apr 2007, Pallai Roland wrote:
On Saturday 21 April 2007 07:47:49 you wrote:
On 4/21/07, Pallai Roland <[EMAIL PROTECTED]> wrote:
I made a software RAID5 array from 8 disks top on a HPT2320 card driven
by hpt's driver. max_hw_sectors is 64Kb in this proprietary driver. I
began t
On Saturday 21 April 2007 07:47:49 you wrote:
> On 4/21/07, Pallai Roland <[EMAIL PROTECTED]> wrote:
> > I made a software RAID5 array from 8 disks top on a HPT2320 card driven
> > by hpt's driver. max_hw_sectors is 64Kb in this proprietary driver. I
> > began to test it with a simple sequental r
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