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Re: stale NFS file handle problem on XFS inode64

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: stale NFS file handle problem on XFS inode64
From: hank peng <pengxihan@xxxxxxxxx>
Date: Tue, 22 Nov 2011 08:19:15 +0800
Cc: linux-xfs@xxxxxxxxxxx
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In-reply-to: <20111121170459.GA1327@xxxxxxxxxxxxx>
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2011/11/22 Christoph Hellwig <hch@xxxxxxxxxxxxx>:
> On Mon, Nov 21, 2011 at 09:00:57PM +0800, hank peng wrote:
>> Hi:
>> I have a 4TB XFS filesystem mounted with "inode64" option, and I
>> exported it using NFS v3, on NFS client, I entered a subdirectory and
>> got "stale NFS file handle" error.
>> ls -il showed that its inode number exceed 32 bit limit.
>> NFS server: kernel version is 2.6.35.6
>> NFS client: kernel version is 2.6.18
>
> Do you export the root directory of the XFS filesystem, or a
> subdirectory in it?  If it's the former it should work in theory,
> althrough I'm not sure how well 64-bit inode numbers work with a client
> that old, if it's the latter it needs a few tweaks to work, see
>
The following is what I did:
1. mkfs.xfs /dev/sdb   (whole disk)
2. create a mount point in my root filesystem:
mkdir /mnt/mymount
3. monut xfs with inode64
mount /dev/sdb /mnt/mymount -o inode64
4. export it in NFS /etc/exports
/mnt/mymount   *(rw, no_root,squash, sync)

so, is there any problem here?



>        
> http://xfs.org/index.php/XFS_FAQ#Q:_Why_doesn.27t_NFS-exporting_subdirectories_of_inode64-mounted_filesystem_work.3F
>
> for details.
>



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