HP StorageWorks Scalable File Share - Manual (Page 21)

• MSA2212fc Controller
Disks are identified by SCSI ID. The first enclosure has disk IDs 0-11, the second has
16-27, the third has 32-43, and the fourth has 48-59.
• MSA2312fc Controller
Disks are specified by enclosure ID and slot number. Enclosure IDs increment from 1.
Disk IDs increment from 1 in each enclosure. The first enclosure has disk IDs 1.1-12,
the second has 2.1-12, the third has 3.1-12, and the fourth has 4.1-12.
Depending on the order in which the controllers powered on, you might see different ranges
of disk numbers. If this occurs, run the rescan command again.
4. If you have MSA2212fc controllers in your arrays, use the following commands to create
vdisks and volumes for each enclosure in all of the arrays. When creating volumes, all
volumes attached to a given MSA must be assigned sequential LUN numbers to ensure
correct assignment of multipath priorities.
a.
Create vdisks in the MGS and MDS array. The following example assumes the MGS
and MDS do not have attached disk enclosures and creates one vdisk for the controller
enclosure. The disks 0-4 are mirrored by disks 5-9 in this configuration:
# formdsmsas create vdisk level raid10 disks 0-4:5-9 assigned-to a spare 10,11 mode offline vdisk1;
done
Creating vdisks using offline mode is faster, but in offline mode the vdisk must be
created before you can create the volume. Use the show vdisks command to check
the status. When the status changes from OFFL, you can create the volume.
# formdsmsas show vdisks; done
Make a note of the size of the vdisks and use that number <size> to create the volume
in the next step.
b. Create volumes on the MDS and MDS vdisk.
# formdsmsas create volume vdisk vdisk1 size <size> mapping 0-1.11 volume1; done
c. Create vdisks in each OST array. For OST arrays with one attached disk drive enclosure,
create two vdisks, one for the controller enclosure and one for the attached disk
enclosure. For example:
# forostmsas create vdisk level raid6 disks 0-10 assigned-to a spare 11 mode offline vdisk1; done
# forostmsas create vdisk level raid6 disks 16-26 assigned-to b spare 27 mode offline vdisk2; done
Use the show vdisks command to check the status. When the status changes from
OFFL, you can create the volume.
# forostmsas show vdisks; done
Make a note of the size of the vdisks and use that number <size> to create the volume
in the next step.
d. Create volumes on all OST vdisks. In the following example, LUN numbers are 21 and
22.
# forostmsas create volume vdisk vdisk1 size <size> mapping 0-1.21 volume1; done
# forostmsas create volume vdisk vdisk2 size <size> mapping 0-1.22 volume2; done
5. If you have MSA2312fc controllers in your arrays, use the following commands to create
vdisks and volumes for each enclosure in all of the arrays. When creating volumes, all
volumes attached to a given MSA must be assigned sequential LUN numbers to ensure
correct assignment of multipath priorities. HP recommends mapping all ports to each volume
to facilitate proper hardware failover.
2.3 Using the CLI to Configure Multiple MSA Arrays 21