NFS safety in 6.1-RELEASE
Dmitry Marakasov
amdmi3 at mail.ru
Sun May 21 16:36:55 UTC 2006
* Scott Long (scottl at samsco.org) wrote:
> >So I wanted to ask what's status of NFS for release - was that issue
> >fixed and is it safe to use client and server NFS on 6.1 RELEASE?
> >If there's still data corruption possible, how do I turn off the
> >attribute cache?
>
> Dang, I meant to document that before the release, sorry. There are two
> variants
> that I've seen with 6.1. One is between a Linux client and a FreeBSD
> server. This
> seems to be effectively fixed by using a 2.6.12 or later Linux kernel.
My cases are 6.0 server - 6.1 client and 6.1 - 6.1
> The other is
> due to any client or server disagreeing on the precision of the
> timestamps that are
> passed in the attributes. This disagreement can lead to the attribue
> cache getting
> confused and returning incorrect data to the caller. It can be turned
> off by either
> changing the default timeouts to 0 that are defined in the nfsclient
> code, or by setting
> the appropriate mount options in mount_nfs as per the man page.
Thanks a lot for the help. Do I get it right that only file attributes may
be currupted, not the data itself?
--
Best regards,
Dmitry mailto:amdmi3 at mail.ru
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