Hitachi XP P9500 User Manual page 332

3. Creating an HDLM Environment
# cat /proc/mdstat
Personalities : [linear]
unused devices: <none>
Make sure that
5. Check the correspondence with HDLM device.
Execute the HDLM-configuration definition utility
parameter specified:
# dlmcfgmgr -v
HDevName
/dev/sddlmaa configured /dev/sdh
KAPL10302-I /sbin/dlmcfgmgr completed normally.
The
HDevName
respectively.
6. Create an md device.
Based on the correspondence between the HDLM devices and SCSI devices
checked in step 5, create an md device.
When you specify a device name, you must also specify the partition number that
is displayed in step 2.
Specify all SCSI devices that correspond to HDLM devices:
# mdadm -C /dev/md0 -lmp -n2 /dev/sdh1 /dev/sdo1
mdadm: /dev/sdh1 appears to contain an ext2fs file system
size=5238528K
mdadm: /dev/sdh1 appears to be part of a raid array:
level=-1 devices=1 ctime=Wed Feb
mdadm: /dev/sdo1 appears to contain an ext2fs file system
size=5238528K
mdadm: /dev/sdo1 appears to be part of a raid array:
level=-1 devices=1 ctime=Wed Feb
Continue creating array? y
mdadm: array /dev/md0 started.
7. Create a configuration file.
Execute the following command to add an md device definition to the existing
configuration file
308
is not displayed.
md0 : active
Management Device
/dev/sdo
and columns display HDLM devices and SCSI devices,
Device
mtime=Wed Feb
mtime=Wed Feb
:
/etc/mdadm.conf
with the
dlmcfgmgr
Host Channel Target Lun
1 0
2 0
6 20:02:45 2008
6 19:31:04 2008
6 20:02:45 2008
6 19:31:04 2008
-v
0 0
0 1