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Old 05-12-2005, 05:02 AM   #1
haddel
LQ Newbie
 
Registered: Apr 2004
Location: Wackernheim (Germany)
Distribution: RedHat AS 3/4/5
Posts: 24

Rep: Reputation: 15
missing partitions


starting point:

Raid /dev/md0 (a raid of mounted SAN discs) loses its partitions after reload of kernel modul

# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/rootvg/rootlv 2.0G 671M 1.3G 36% /
/dev/cciss/c0d0p1 124M 25M 94M 21% /boot
/dev/rootvg/homelv 4.0G 33M 3.8G 1% /home
/dev/rootvg/optlv 7.9G 170M 7.4G 3% /opt
none 2.9G 0 2.9G 0% /dev/shm
/dev/rootvg/tmplv 4.0G 100M 3.7G 3% /tmp
/dev/rootvg/varlv 4.0G 210M 3.6G 6% /var
/dev/dbmsvg/vardbms 5.0G 33M 4.7G 1% /var/dbms/sybase
/dev/dbmsvg/optdbms 5.0G 675M 4.1G 15% /opt/dbms/sybase
infra1:/localmnt/infra1dg/dbatmpvol/dba_tmp
50G 20G 29G 41% /dba_tmp
infra1:/localmnt/infra1dg/softvol/software
100G 91G 9.3G 91% /mnt/infra1
/dev/dbmsvg/datadbms 158G 33M 156G 1% /data/dbms/sybase
/dev/md0 158G 33M 158G 1% /dev/dbms/sybase

# sudo umount /dev/dbms/sybase
# sudo /sbin/raidstop /dev/md0
# sudo /etc/init.d/qlremote stop
Stopping qlremote agent services
# [ OK ]
# sudo /sbin/rmmod qla2300

# sudo /sbin/modprobe qla2300
# sudo /etc/init.d/qlremote start
Starting qlremote agent service
# sudo /sbin/raidstart /dev/md0
/dev/md0: Invalid argument

# sudo /sbin/raidstart /dev/md0
/dev/md0: Invalid argument

# cat /proc/mdstat
Personalities : [raid1]
read_ahead 1024 sectors
Event: 7
unused devices: <none>

# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: STK Model: OPENstorage D280 Rev: 0610
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: STK Model: OPENstorage D280 Rev: 0610
Type: Direct-Access ANSI SCSI revision: 03


# cat /etc/raidtab
raiddev /dev/md0
raid-level 1
nr-raid-disks 3
persistent-superblock 1
chunk-size 8

device /dev/sda1
raid-disk 0
device /dev/sdb1
raid-disk 1
device /dev/null
failed-disk 2

# sudo /sbin/fdisk -l

Disk /dev/sda: 171.7 GB, 171798691840 bytes
255 heads, 63 sectors/track, 20886 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

Disk /dev/sdb: 171.7 GB, 171798691840 bytes
255 heads, 63 sectors/track, 20886 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
#

All discs are without partitions !!!!

This occured only once.
I started these commands four times without any problems.

Did anyone have this in the past?

rpm versions: raidtools-1.00.3-7

OS: Red Hat Enterprise Linux AS release 3 (Taroon Update 4)
Kernel: 2.4.21-27.0.4.EL

Last edited by haddel; 05-12-2005 at 05:23 AM.
 
  


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