Recognizing A New Logical Unit - Hitachi AMS 2100 Hardware Manual

Recognizing a new logical unit

The following example shows how to make a host computer that is running
HPUX recognize a Logical Unit while the array power is on. As shown in the
following illustration, the management PC on which Navigator 2 is installed
is connected to the array via a LAN cable.
Compete the following steps to make the host computer recognize a newly
created logical unit.
1. Make sure that the host computer and the DF800 are in the Ready
status. (I/Os host computer can be continued.)
2. Install the disk drives to be added in the DF800.
3. Create a new RAID group for the installed disk drives.
4. Create one or more new logical units for the RAID group.
5. Format the logical units.
6. From the host, issue the Fibre Channel disk command
verify that the array has been recognized by the host computer.
However, the status of the newly added logical unit is displayed as NO-
NW.
7. Issue the
the logical unit(s) which have just been added.
8. From the host, issue the Fibre Channel disk command
verify that the array has been recognized by the host computer. The
status of the newly added logic unit is displayed as CLAIMED.
9. Create a file system by creating the volume group and logical volume for
the newly added logical unit from the host computer.
Logical units created according to the above procedure are usable by the
host computer.
9–8
command from the host to create a device file of
insf -e
Upgrading the hardware
Hitachi AMS 2100/2300 Storage System Hardware Guide
to
ioscan -n
to
ioscan -n