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Older XFS incompatible with Linux?

To: linux-xfs@xxxxxxxxxxx
Subject: Older XFS incompatible with Linux?
From: Rikard Johnels <rikard.j@xxxxxxxxxx>
Date: Fri, 11 Nov 2005 08:40:23 +0100
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Hello!

I hope this is the right place to ask this question. 
If it isn't; please point me to where i can find a hint (or the answer)

I am trying to mount a older SGI harddrive on a SuSE 9.3 system.
I think it is a 5.x or maybe a 6.3 version of IRIX. Not too sure about that as 
i haven't been able to confirm it at all.

After loading the linux kernel SCSI driver for my controller card, it detects 
the drive ok, But i cant mount anything.
I need to recover some files from it and have no access to a SGI box.

fdisk shows:
Disk /dev/sda (SGI disk label): 64 heads, 32 sectors, 522 cylinders
Units = cylinders of 2048 * 512 bytes

----- partitions -----
Pt#    Device  Info     Start       End   Sectors  Id  System
 1: /dev/sda1  boot         2       470    960925   a  SGI xfs
 2: /dev/sda2  swap       471       510     81920   3  SGI raw
 9: /dev/sda3               0         1      2584   0  SGI volhdr
11: /dev/sda4               0       522   1070422   6  SGI volume
----- Bootinfo -----
Bootfile: /unix
----- Directory Entries -----
 0: sgilabel   sector    2 size     512
 1: ide        sector    3 size  283648
 2: sash       sector  557 size  283648

Disk /dev/sda9 (SGI disk label): 64 heads, 32 sectors, 1 cylinders
Units = cylinders of 2048 * 512 bytes

----- partitions -----
Pt#     Device  Info     Start       End   Sectors  Id  System
 1: /dev/sda9p1  boot         2       470    960925   a  SGI xfs
 2: /dev/sda9p2  swap       471       510     81920   3  SGI raw
 9: /dev/sda9p3               0         1      2584   0  SGI volhdr
11: /dev/sda9p4               0       522   1070422   6  SGI volume
----- Bootinfo -----
Bootfile: /unix
----- Directory Entries -----
 0: sgilabel   sector    2 size     512
 1: ide        sector    3 size  283648
 2: sash       sector  557 size  283648

Disk /dev/sda11 (SGI disk label): 64 heads, 32 sectors, 522 cylinders
Units = cylinders of 2048 * 512 bytes

----- partitions -----
Pt#      Device  Info     Start       End   Sectors  Id  System
 1: /dev/sda11p1  boot         2       470    960925   a  SGI xfs
 2: /dev/sda11p2  swap       471       510     81920   3  SGI raw
 9: /dev/sda11p3               0         1      2584   0  SGI volhdr
11: /dev/sda11p4               0       522   1070422   6  SGI volume
----- Bootinfo -----
Bootfile: /unix
----- Directory Entries -----
 0: sgilabel   sector    2 size     512
 1: ide        sector    3 size  283648
 2: sash       sector  557 size  283648


mount /dev/sda1 /media/cdrom/
mount: /dev/sda1: can't read superblock

desktop:~ # mount /dev/sda4 /media/cdrom/
mount: /dev/sda4 is not a valid block device

desktop:~ # mount /dev/sda11 /media/cdrom/
mount: wrong fs type, bad option, bad superblock on /dev/sda11,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

desktop:~ # dmesg |tail

XFS mounting filesystem sda1
XFS: nil uuid in log - IRIX style log
Starting XFS recovery on filesystem: sda1 (dev: sda1)
XFS: dirty log written in incompatible format - can't recover
XFS: log mount/recovery failed: error 5
XFS: log mount failed
EFS: partition table contained no EFS partitions

desktop:~ # mount -t udf /dev/sda11 /media/cdrom/
mount: wrong fs type, bad option, bad superblock on /dev/sda11,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so
 
desktop:~ # dmesg |tail

XFS mounting filesystem sda1
XFS: nil uuid in log - IRIX style log
Starting XFS recovery on filesystem: sda1 (dev: sda1)
XFS: dirty log written in incompatible format - can't recover
XFS: log mount/recovery failed: error 5
XFS: log mount failed
EFS: partition table contained no EFS partitions
UDF-fs: No VRS found

Does this mean the filesystem is incompatible with my XFS driver for Linux?
How can i mount this system and recover the files?


TIA

-- 
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         /Rikard

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