On Tue, Jul 14, 2009 at 11:09:32AM -0500, Bob Friesenhahn wrote:
> On Tue, 14 Jul 2009, Jorgen Lundman wrote:
>
>> I have no idea. I downloaded the script from Bob without modifications
>> and ran it specifying only the name of our pool. Should I have changed
>> something to run the test?
>
> If your system has quite a lot of memory, the number of files should be
> increased to at least match the amount of memory.
>
>> We have two kinds of x4500/x4540, those with Sol 10 10/08, and 2
>> running svn117 for ZFS quotas. Worth trying on both?
>
> It is useful to test as much as possible in order to fully understand
> the situation.
>
> Since results often get posted without system details, the script is
> updated to dump some system info and the pool configuration. Refresh
> from
>
> http://www.simplesystems.org/users/bfriesen/zfs-discuss/zfs-cache-test.ksh
>
> Bob
> --
> Bob Friesenhahn
> [email protected], http://www.simplesystems.org/users/bfriesen/
> GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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Whitebox Quad-core Phenom, 8G RAM, RAID-Z (3x1TB + 3x1.5TB) SATA drives via an
AOC-USAS-L8i:
System Configuration: Gigabyte Technology Co., Ltd. GA-MA770-DS3
System architecture: i386
System release level: 5.11 snv_111b
CPU ISA list: amd64 pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386
i86
Pool configuration:
pool: pool
state: ONLINE
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
pool ONLINE 0 0 0
raidz1 ONLINE 0 0 0
c3t7d0 ONLINE 0 0 0
c3t6d0 ONLINE 0 0 0
c3t4d0 ONLINE 0 0 0
raidz1 ONLINE 0 0 0
c3t2d0 ONLINE 0 0 0
c3t1d0 ONLINE 0 0 0
c3t0d0 ONLINE 0 0 0
errors: No known data errors
zfs create pool/zfscachetest
Creating data file set (3000 files of 8192000 bytes) under /pool/zfscachetest
...
Done!
zfs unmount pool/zfscachetest
zfs mount pool/zfscachetest
Doing initial (unmount/mount) 'cpio -C 131072 -o > /dev/null'
48000256 blocks
real 4m59.33s
user 0m21.83s
sys 2m56.05s
Doing second 'cpio -C 131072 -o > /dev/null'
48000256 blocks
real 8m28.11s
user 0m22.66s
sys 3m13.26s
Feel free to clean up with 'zfs destroy pool/zfscachetest'.
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