Re: nfs client serious problems under 2.2.20pre8/9

From: VDA (VDA@port.imtp.ilyichevsk.odessa.ua)
Date: Tue Sep 04 2001 - 02:48:35 EST


Tuesday, September 04, 2001, 6:18:49 AM, Ethan Benson <erbenson@alaska.net> wrote:
EB> I have encountered a serious problem with nfs under 2.2.20pre8 and
EB> pre9.
EB> after some ammount of time (2 weeks under pre8, only a few hours under
EB> pre9) most/all processes accessing an nfs filesystem go into
EB> unkillable disk sleep, and the kernel starts spewing:
EB>
EB> kernel: nfs: task 22509 can't get a request slot
EB>
EB> over and over again endlessly. since processes using the filesystem
EB> are unkillable i am unable to even forcabily umount the problematic
EB> filesystem, seemingly the only way restore order is shutdown -r now :(

Looks like another argument against hard NFS mounts to me.
Does anybody knows why NFS hard mounts exist?
Is there any case when intr mounts is worse than hard ones?

-- 
Best regards,
VDA
mailto:VDA@port.imtp.ilyichevsk.odessa.ua
http://port.imtp.ilyichevsk.odessa.ua/vda/

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