APC RAID Subsystem SCSI-SATA II Technical Information Page 53

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Using the RAID GUI
2-28
Selective method
Selective storage is used in complicated SAN environments, where there are multiple hosts accessing the controller
through an FC switch. This method provides the most flexibility for you to manage the logical connectivity between host
and storage resources exported by the controller.
As the illustration shows, the HG (Host Group) can be
a host or a group of hosts that share the same access
control settings in the controller. SG represents the
LUNs as a storage group. Bind the host/ host group
and storage group to the same host port.
Add hosts
In the selective storage main screen, click Host > Add.
Remove hosts
Select the host(s) you want to delete and click Remove. Check the ‘Only remove from host group’ box if you want to
remove the host(s) from the host group only.
Modify hosts/host groups
Select a host you want to change for its host name, host group ID, or host group name, and click Modify to enter the
settings screen.
Add LUNs in storage group
In the selective storage main screen, click SG > Add.
Host ID Select a Host ID from the drop-down menu. A maximum of 32 hosts can be
added to the controller.
WWPN Each FC port needs a WWPN for communicating with other devices in an FC
domain. Users can choose each WWPN of Fiber HBA from theChoose from
detected hosts’ box or directly enter the WWPN in this field.
SAS Address For SAS controller each SAS port needs a SAS Address for communicating with
other devices in an SAS domain.
Host Name Use the system default name as hostx. ‘x’ is the Host identifier.
OR
Uncheck the ‘Use system default name’ box and enter the name in the Name
field. The maximum name length is 63 bytes.
HG ID Select a Host Group ID from the drop-down menu. You can select from hg0 to
hg31 or No group.
SG ID Select a SG ID from the drop-down menu. A maximum of 34 storage groups can
be created in the controller.
LUN ID Select a LUN ID from the drop-down menu, where up to 128 IDs are available for
the selection. A total of 1024 LUNs can be created in the controller.
HG0: HOST 3, HOST 4
HG1: HOST 5, HOST 6, HOST 7, HOST 8
LUN0
(JBOD0)
LUN1
(DG3LD1)
LUN2
(DG0LD0)
LUN3
(DG0LD2)
LUN4
(VOL2)
LUN5
(DG0LD1)
LUN9
(DG2LD0)
LUN10
(DG2LD2)
LUN11
(DG5LD8)
LUN12
(DG5LD9)
LUN13
(VOL4)
LUN14
(VOL5)
LUN15
(VOL6)
LUN16
(VOL7)
LUN7
(DG3LD0)
LUN6
(JBOD5)
LUN8
(DG3LD3)
FC Switch
Environment
HOST 0
HOST 1
HOST 2
HOST 4 HOST 3
HOST 6HOST 5
HOST 8HOST 7
Bind
FCP1 (Port1)FCP1 (Port1)
Bind
FCP1 (Port1)FCP1 (Port1)
Bind
FCP1 (Port1)FCP1 (Port1)
Bind
FCP1 (Port1)FCP1 (Port1)
Bind
FCP2 (Port2)FCP2 (Port2)
FCP1 (Port1)FCP1 (Port1)
FCP2 (Port2)FCP2 (Port2)
Figure 2-22 Selective storage
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