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Re: Unstable file systems since upgrading to RedHat 7.2 Ext3



Mr. Pasco-

    I have experienced problems similar to the ones you describe under the
following
circumstances:

    1- I have Hard NFS mounts
    2- I have the ACL patch for kernel 2.4.9 installed from acl.bestbits.at
    3- I am running on a multiprocessor machine
    4- I have quota support compiled into the kernel regardless of whether
        I am actually mounting any local file systems with quota support
enabled.

    I have upgraded to kernel 2.4.16 compiled with the RH7.2 kernel
config file from Redhat- with three notable exceptions:

    1- I turn off the "tux" kernel httpd
    2- I turn on ext2+ext3 extended attributes and acl support
    3- I turn off quota support in the kernel

    I don't know if this will help you at all, as our situations do not
seem to be identical.  There is also a RedHat 7.2 nfs utils  rpm
file out there available for download.  I can't recall if it was
a general bug fix or a security issue, but I've been installing it
on all fresh systems lately before I go into production.  I have ceased
to do hard nfs mounts when a Linux box is part of the picture.

    With these considerations, my stability over the last 40ish days
has improved radically.  I went from 4-5 server crashes a day
in a farm of 25 machines, to absolutely zero since mid-December.

    Hope this helps you some.

Thanks,
    Darrell McGuire

Olivier Pasco wrote:

> Hi,
>
> We have upgraded our server with RedHat 7.2 and changed the filesystem
> for the new Ext3 format. Since then we are having troubles with NFS and
> Samba file systems.
>
> Our server export directories to Windows clients through Samba and to
> other Linux (RedHat 7.2) through NFS. It is also connected through NFS
> to a RedHat 7.0 server.
>
> Since we changed for Ext3 filesystems, we experience to main problems
> (everything was working well before) :
>   - using NFS directories from a Linux client may freeze the client
>   - when some Windows client reboot, the attached Samba process is
>     still alive but in an uninterruptible status and the server load
>     get quickly very high
> In both cases, only a reboot (of the client for NFS or the server for
> Samba) may solve the problem. Which meen today at least one reboot every
> day...
>
> I am not sure this is due to Ext3 but the few information I found until
> now let me think it can be related to it. Does any one here can help us
> with this ?
>
> Thanks,
>
> --
> Olivier Pasco
> Telecommunication Engineer
>
> _______________________________________________
> Ext3-users mailing list
> Ext3-users redhat com
> https://listman.redhat.com/mailman/listinfo/ext3-users





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