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Filesystem freeze problem?

To: <linux-xfs@xxxxxxxxxxx>
Subject: Filesystem freeze problem?
From: "Motonari Ishibashi" <ishibashi@xxxxxxxxxxxxxxxxxx>
Date: Fri, 16 Nov 2001 17:27:20 +0900
Organization: 東北日本電気ソフトウェア(株)
Sender: owner-linux-xfs@xxxxxxxxxxx
Hi,
 
When I used xfs_freeze(8), there was a problem. (at 2.4.10)

I used TP which creates a file continuously and tried to create
100000 files. (1 file 1000 byte)
The file system was frozen in the neighborhood which created
about 5000 files. (To of course, the midst to which TP is operating)
The problem was generated after copying the device which created the file
to another device.

The operation at that time and the result are as follows:

  /dev/hda6 on /XFS

  # Run the TP
  # xfs_freeze -f /XFS (TP is not finished yet.)
  # dd if=/dev/hda6 of=/dev/hda7
  # xfs_repair -n /dev/hda7
    Phase 1 - find and verify superblock

                   <snip>

    Phase 6 - check inode connectivity...

            - moving disconnected inodes to lost+found ...
    disconnected dir inode 524416, would move to lost+found
    disconnected dir inode 531586, would move to lost+found
    disconnected inode 531587, would move to lost+found
    disconnected dir inode 2627558, would move to lost+found
    more ...
                          ...


Why?
Please give some information.

Cheers.

------------
Motonari



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