On 12/20/10 10:38, James Pearson wrote:
Tim Evans wrote:
Seeing very slow throughput for RHEL 5.x NFS client NFS mounting a
Thecus N7700 NAS with "default" NFS options.
These NAS have embedded Linux OS of some sort.
http://www.thecus.com/product.php?PROD_ID=14
dump is trickling along at about 530 KB/s; at this rate, a full dump
of a 150GB filesystem will take 3+ days:
DUMP: 3.17% done at 531 kB/s, finished in 81:30
I've had good luck with 'proto=udp,rsize=8192,wsize=8192' on Solaris
systems mounting other embedded-Linux NAS (i.e., NetGear ReadyNAS),
but this doesn't seem to make any difference with the Thecus.
Anyone have one of these and can suggest options to use? Thanks.
What mount options are you using (i.e. from /proc/mounts) ?
As I said (see above) pure-D defaults for the NFS mount. Changing to the
second set (above) didn't make any difference, although it did help
majorly with a Fedora 13 client and the same NAS.
--
Tim Evans, TKEvans.com, Inc. | 5 Chestnut Court
UNIX System Admin Consulting | Owings Mills, MD 21117
http://www.tkevans.com/ | 443-394-3864
http://www.come-here.com/News/ | [email protected]
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