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I’m running Red Hat AS 4 on a Dell PowerEdge
1950. It connects to an Apple Xserve RAID via a Qlogic QLE2460
card. I am able to create a 4TB ext3 partition with no problems and use
it fine. When the system power drops or it’s rebooted, the file system
can’t be mounted again. It looks like the partition table is
getting corrupted. Here is some of the doc I gathered: Output from fsck: fsck /dev/sdb1 fsck 1.35 (28-Feb-2004) e2fsck 1.35 (28-Feb-2004) The filesystem size (according to the superblock) is
1098848000 blocks The physical size of the device is 25106176 blocks Either the superblock or the partition table is likely to be
corrupt! ---------------------------------------------------------------------------- Output from parted: parted /dev/sdb GNU Parted 1.6.19 Copyright (C) 1998 - 2004 Free Software Foundation, Inc.^M This program is free software, covered by the GNU General
Public License. This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details. Using /dev/sdb (parted) print Disk geometry for /dev/sdb: 0.000-4292376.000 megabytes Disk label type: msdos Minor
Start End
Type Filesystem Flags 1
0.031 98071.031 primary
ext3 (parted) check 1 Warning: Partition 1 is 98071.000Mb, but the file system is
4292375.000Mb. --------------------------------------------------------------------------- Output from debugfs: debugfs /dev/sdb debugfs 1.35 (28-Feb-2004) /dev/sdb: Bad magic number in super-block while opening
filesystem debugfs: open /dev/sdb1 /dev/sdb1: Can't read an inode bitmap while reading inode
bitmap debugfs: quit ---------------------------------------------------------------------------- We connect via a Qlogic QLE2460 to the Apple XServe RAID: qla2400 0000:0c:00.0: QLogic Fibre Channel HBA Driver: 8.01.07 QLogic QLE2460 - PCI-Express to 4Gb FC, Single Channel ISP2432: PCIe (2.5Gb/s x4) @ 0000:0c:00.0 hdma+,
host#=1, fw=4.00.26 [IP] Vendor: APPLE Model: Xserve
RAID Rev: 1.51 Type:
Direct-Access
ANSI SCSI revision: 05 qla2400 0000:0c:00.0: scsi(1:0:0:0): Enabled tagged queuing,
queue depth 32. sdb : very big device. try to use READ CAPACITY(16). SCSI device sdb: 8790786048 512-byte hdwr sectors (4500882
MB) SCSI device sdb: drive cache: write back sdb : very big device. try to use READ CAPACITY(16). SCSI device sdb: 8790786048 512-byte hdwr sectors (4500882
MB) SCSI device sdb: drive cache: write back sdb: sdb1 Attached scsi disk sdb at scsi1, channel 0, id 0, lun 0 ---------------------------------------------------------------------------- Current output of parted after I remade the file system and
restored the data: parted /dev/sdb1 GNU Parted 1.6.19 Copyright (C) 1998 - 2004 Free Software Foundation, Inc. This program is free software, covered by the GNU General
Public License. This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details. Using /dev/sdb1 (parted) print Disk geometry for /dev/sdb1: 0.000-4292375.967 megabytes Disk label type: loop Minor
Start End
Filesystem Flags 1
0.000 4292375.967 ext3 I’m afraid this will happen again the next time I
reboot the system. Any ideas what might be causing it and how to fix it? Thanks, Randy |
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