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Re: NFS (OSX client) problems (hanging machines)
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Re: NFS (OSX client) problems (hanging machines)


On 3-Mar-06, at 3:41 PM, Jon Peatfield wrote:

I'm told that *sometimes* they see a dialog about the server

not-responding offering to umount it (which not being privelaged they

couldn't do anyway though the GUI doesn't know that...)


Just re-reading and seeing this part of your post - I've seen this before also.  When this happens can you check the NFS ops and CPU usage on your machine that's exporting the mount.  When I've seen this (Specifically I've seen it from large appliances like NetApp etc) the Mac system is making a call for a file which the NFS server is actually reporting doesn't exist, however the mac will repeat request this nonexistent file several times (even more if this is your home directory and you have an anti-virus on demand scanner running).  Once you get several macs all requesting files at the same time our file servers were getting so overtaxed by as little as 10-15 client workstations that the NFS ops would be through the roof, and the CPU usage was pegged at 100% - thus causing some other machines to get a message that the file server was no longer responding - interestingly if the user left this error, and didn't tell is to unmount the file system it would often go away of it's own accord once the file server was allowed to relax a bit.

Cheers,
Andrina

--
Systems Integrator

IronGate Server Management & Consulting
Toll-free:   (866) 838-IRON (4766)
Web site:    www.irongate.ca

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