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RE: clone of filesystem across network preserving ionodes

To: Eric Sandeen <sandeen@xxxxxxxxxxx>, "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
Subject: RE: clone of filesystem across network preserving ionodes
From: "Meij, Henk" <hmeij@xxxxxxxxxxxx>
Date: Mon, 3 Nov 2014 21:10:10 +0000
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Thread-topic: clone of filesystem across network preserving ionodes
inodes, yes, yes.  I tried xfs_copy but ran into a problem. server1 and server2 
each have 4x28T partitions and on server1 writing the file to one empty 
partition mounted never finishes, hangs at 90%...presumably because it runs out 
of space (file size == sdbx). there is no "skip empty inodes" option and 
perhaps there can't be...and I have nothing larger. I guess I could attempt 
making sdb4 slightly larger by reducing sdb1-3.


From: Eric Sandeen [sandeen@xxxxxxxxxxx]
Sent: Monday, November 03, 2014 3:39 PM
To: Meij, Henk; xfs@xxxxxxxxxxx
Subject: Re: clone of filesystem across network preserving ionodes

On 11/3/14 2:35 PM, Meij, Henk wrote:
> What is the best practice way to get the contents from server1 to
> server2 identical disk array partitions and preserve the ionode
> information using xfs tools or non-xfs tools?

Just FWIW: inode, not ionode.  :)

> xfsdump/xfsrestore appear to not preserve this or I can not find the
> obvious setting.

> xfs_copy would, per documentation, but can I get from server1 to
> server2?

xfs_copy makes an identical image, yes.

You could xfs_copy from disk to a file on server1, transfer the file,
then xfs_copy from file to disk on server2.

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