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Re: [Linux-cluster] Is GFS2 stable for production system?



Dear All,
Thank you for your sharing. I will wait RHEL 5.3 ... or 5.4 for
applying gfs2 in production cluster...



2008/11/14 Diego Liziero <diegoliz gmail com>:
> On Thu, Nov 13, 2008 at 7:31 PM, Achievement Chan
> <achievement hk gmail com> wrote:
>> Dear All,
>> Is GFS2 stable for production system?
>
> Not as regards the one in current 5.2.
>
> I had this issues:
>
> - locking with samba running on a single node that caused continuous
> freezes of the shares, even when exported read-only after the latest
> kernel+cman update (this could have been cased by the fact that not
> all nodes have been rebooted after the update). After a reboot of all
> nodes and a switch to the old stable gfs this hasn't happened any
> longer.
>
> - the last modification time of a file is not always updated on all
> nodes (doing an ls of the same file on different nodes may show
> different modification time after it has been edited on a node).
>
> - sometimes the space used by deleted files is not freed. Launching
> gfs2_fsck -y on unmounted filesystem detect lots of "Ondisk status is
> 1 (Data) but FSCK thinks it should be 0 (Free)" messages, but, despite
> that, the space is still not freed.
>
> BTW I've still a corrupted gfs2 empty filesystem that shows incorrect
> free space if someone feels like to debug it.
>
> Regards,
> Diego.
>
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