HP StorageWorks Scalable File Share - Manual (Page 87)

Creating a file system — EVA4000 storage 5–3
5.1.2 Step 2: Matching array numbers to physical arrays — EVA4000 storage
To determine what role you will assign to each LUN, you must first determine which physical storage array
the LUN is on. When you installed the system, you identified the WWIDs of each EVA4000 storage array.
Each controller on the arrays also has a unique serial number. You will now use this information to match
the WWIDs of the arrays to the array numbers shown in the output from the
show lun
command.
To identify the WWID of an array, enter the
show lun
command to display information about a LUN on
the array, as shown in the following example, where LUN 3 is on array 1:
sfs> show lun 3
LUN (WWID): 600508b4-00010138-00010000-00240000
LUN (Number): 3
Device: /dev/hpls/dev3a
Array (WWID): 50001fe1-0013a6c0
Array (Number): 1
Array (Name): P4889B29IKT04F
.
.
.
From the output shown here, you can see that array 1 has the WWID
50001fe1-0013a6c0
. The name
of the array is not known to the system, but the serial number of one of the controllers on the array
(
P4889B29IKT04F
) is used. You can use the controller’s serial number to find out more information about
the array, as shown in the following example:
sfs> show array P4889B29IKT04F
Array (WWID): 50001fe1-0013a6c0
Name: P4889B29IKT04F
Array Number: 1
Type: EVA4000
Preferred Server: -
Firmware: 4100
Total Disks: -
Free Disks: -
Controller: P4889B29IKT04F
Controller: P4889B29IKW01Z
LUN (WWID) Controller Number of Paths
---- ----------------------------------- ---------- ---------------
1 600508b4-00010138-00010000-00240000 A 2
2 600508b4-0000c070-00013000-00340000 B 2
3 600508b4-0000c070-00013000-002c0000 A 2
4 600508b4-0000c070-00013000-003a0000 B 2
5 600508b4-0000c070-00013000-004a0000 A 2
6 600508b4-0000c070-00013000-005a0000 B 2
Use the commands shown here to determine which physical array each LUN is located on, then decide
which roles you want to assign to each LUN.
Proceed to Section 5.1.3 to assign roles to the LUNs and specify preferred controllers for the LUNs.