That is the first thing i checked. Prior to that I was getting somewhere
around 1 ~ 5 MB/sec. Thank you though.
Dale Ghent <[EMAIL PROTECTED]> wrote:
Have you turned on the "Ignore cache flush commands" option on the
xraids? You should ensure this is on when using ZFS on them.
/dale
On Mar 27, 2008, at 6:16 PM, abs wrote:
> hello all,
> i have two xraids connect via fibre to a poweredge2950. the 2
> xraids are configured with 2 raid5 volumes each, giving me a total
> of 4 raid5 volumes. these are striped across in zfs. the read and
> write speeds local to the machine are as expected but i have noticed
> some performance hits in the read and write speed over nfs and samba.
>
> here is the observation:
>
> each filesystem is shared via nfs as well as samba.
> i am able to mount via nfs and samba on a Mac OS 10.5.2 client.
> i am able to only mount via nfs on a Mac OS 10.4.11 client. (there
> seems to be authentication/encryption issue between the 10.4.11
> client and solaris box in this scenario. i know this is a bug on the
> client side)
>
> when writing a file via nfs from the 10.5.2 client the speeds are 60
> ~ 70 MB/sec.
> when writing a file via samba from the 10.5.2 client the speeds are
> 30 ~ 50 MB/sec
>
> when writing a file via nfs from the 10.4.11 client the speeds are
> 20 ~ 30 MB/sec.
>
> when writing a file via samba from a Windows XP client the speeds
> are 30 ~ 40 MB.
>
> i know that there is an implementational difference in nfs and samba
> on both Mac OS 10.4.11 and 10.5.2 clients but that still does not
> explain the Windows scenario.
>
>
> i was wondering if anyone else was experiencing similar issues and
> if there is some tuning i can do or am i just missing something.
> thanx in advance.
>
> cheers,
> abs
>
>
>
>
>
>
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