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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