* Multiple Mounting of one XFS Partition
@ 2009-03-16 14:06 Steffen Knauf
2009-03-16 14:38 ` Felix Blyakher
2009-03-17 2:17 ` Eric Sandeen
0 siblings, 2 replies; 3+ messages in thread
From: Steffen Knauf @ 2009-03-16 14:06 UTC (permalink / raw)
To: xfs
Hello,
i have 2 Servers which are connected with a raid via FibreChannel.
Both of them have mounted the same XFS-Partition. But if i change a
Filepermission
or add some Files at the Partition of server1, the partition of server2
don't show the modifications
until i remount the Partitions. I don't know how whether it is a cache
Option or something else.
Perhaps someone have an idea.
Thanks!
greets
Steffen
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Multiple Mounting of one XFS Partition
2009-03-16 14:06 Multiple Mounting of one XFS Partition Steffen Knauf
@ 2009-03-16 14:38 ` Felix Blyakher
2009-03-17 2:17 ` Eric Sandeen
1 sibling, 0 replies; 3+ messages in thread
From: Felix Blyakher @ 2009-03-16 14:38 UTC (permalink / raw)
To: steffen.knauf; +Cc: xfs
On Mar 16, 2009, at 9:06 AM, Steffen Knauf wrote:
> Hello,
>
> i have 2 Servers which are connected with a raid via FibreChannel.
Unless you have some sort of cluster filesystem, it's not going
to work.
>
> Both of them have mounted the same XFS-Partition. But if i change a
> Filepermission
> or add some Files at the Partition of server1, the partition of
> server2 don't show the modifications
> until i remount the Partitions.
The changes done by server1 won't be flushed to disk, where they
could be seen by server2, till much later, or on unmount.
> I don't know how whether it is a cache Option or something else.
That's how any modern filesystem work.
Cheers,
Felix
>
> Perhaps someone have an idea.
> Thanks!
>
> greets
>
> Steffen
>
> _______________________________________________
> xfs mailing list
> xfs@oss.sgi.com
> http://oss.sgi.com/mailman/listinfo/xfs
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xfs mailing list
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http://oss.sgi.com/mailman/listinfo/xfs
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Multiple Mounting of one XFS Partition
2009-03-16 14:06 Multiple Mounting of one XFS Partition Steffen Knauf
2009-03-16 14:38 ` Felix Blyakher
@ 2009-03-17 2:17 ` Eric Sandeen
1 sibling, 0 replies; 3+ messages in thread
From: Eric Sandeen @ 2009-03-17 2:17 UTC (permalink / raw)
To: steffen.knauf; +Cc: xfs
Steffen Knauf wrote:
> Hello,
>
> i have 2 Servers which are connected with a raid via FibreChannel.
> Both of them have mounted the same XFS-Partition. But if i change a
> Filepermission
> or add some Files at the Partition of server1, the partition of server2
> don't show the modifications
> until i remount the Partitions. I don't know how whether it is a cache
> Option or something else.
> Perhaps someone have an idea.
> Thanks!
>
> greets
You can't do this. It will corrupt your filesystem; there is *nothing*
which will give you coherency between the nodes.
This is what SGI sells CXFS for (for big $$$)
-Eric
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2009-03-16 14:06 Multiple Mounting of one XFS Partition Steffen Knauf
2009-03-16 14:38 ` Felix Blyakher
2009-03-17 2:17 ` Eric Sandeen
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