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[suse-oracle] Poor NFS read/write performance on OpenSuse 10.2

Michael Taylor

2007-05-02

Replies:

I know OpenSuse 10.2 is not enterprise software, but I have been running Suse on my Thinkpad since 9.1 days and prefer having the mobility and desktop packages available.

I have several NFS shares mounted with the typical oracle NFS options (rsize=32768,wsize=32768,hard,actimeo=0), and performance has always been terrific. After upgrading to OpenSuse 10.2 (building fresh after a hard drive failure), any actions over NFS are terrible. My 2 hour backup now takes 7 hours, the system locks ups for 5-10 minutes while reading or writing over NFS. I cannot watch any movies over NFS anymore without the system freezing.

Any idea what changed NFS wise between 10.1 and 10.2? Are there any additional mount options I should use to get back to the pre 10.2 NFS performance? The firewall is configured to allow NFS Server on the host and NFS Client on the client.

Thanks,
-Michael

   
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