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Chapter 12
Non-disruptive Storage Migration
■
Notes
If the ALUA setting differs between the migration source and migration destination storage systems, all the
paths in the storage system where the ALUA setting is "ACTIVE / ACTIVE" and the priority paths in the storage
system where the ALUA setting is "ACTIVE-ACTIVE / PREFERRED_PATH" are set as the priority path group while
the path is connected. After the path is disconnected, the path group specified in the ALUA setting of the
migration destination storage system is used.
The following shows the path state before, during, and after the migration.
Before the migration
•
LUN PATH INFORMATION FOR LUN : /dev/rdisk/disk80
Total number of LUN paths
World Wide Identifier(WWID)
LUN path : lunpath44
Class
Instance
Hardware path
SCSI transport protocol
State
Last Open or Close state
LUN path : lunpath53
Class
Instance
Hardware path
SCSI transport protocol
State
Last Open or Close state
During the migration
•
LUN PATH INFORMATION FOR LUN : /dev/rdisk/disk80
Total number of LUN paths
World Wide Identifier(WWID)
LUN path : lunpath44
Class
Instance
Hardware path
SCSI transport protocol
State
Last Open or Close state
LUN path : lunpath53
Class
Instance
Hardware path
SCSI transport protocol
State
Last Open or Close state
LUN path : lunpath59
Class
Instance
Hardware path
SCSI transport protocol
State
Last Open or Close state
LUN path : lunpath72
Class
Instance
Hardware path
SCSI transport protocol
State
Last Open or Close state
FUJITSU Storage ETERNUS AF, ETERNUS DX Configuration Guide -Server Connection- (Fibre Channel) for HP-UX
= 2
= 0x6000b5d0006a0000006a0ba0002a0000
= lunpath
= 44
= 0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x4004000000000000
= fibre_channel
= ACTIVE
= ACTIVE
= lunpath
= 53
= 0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x4004000000000000
= fibre_channel
= ACTIVE
= ACTIVE
= 4
= 0x6000b5d0006a0000006a0ba0002a0000
= lunpath
= 44
= 0/0/0/7/0/0/0/5/0/0/0.0x2048000b5d6a0ba0.0x4004000000000000
= fibre_channel
= ACTIVE
= ACTIVE
= lunpath
= 53
= 0/0/0/8/0/0/0/5/0/0/0.0x2049000b5d6a0ba0.0x4004000000000000
= fibre_channel
= ACTIVE
= ACTIVE
= lunpath
= 59
= 0/0/0/7/0/0/0/5/0/0/0.0x500000e0da120921.0x4004000000000000
= fibre_channel
= ACTIVE
= ACTIVE
= lunpath
= 72
= 0/0/0/8/0/0/0/5/0/0/0.0x500000e0da120931.0x4004000000000000
= fibre_channel
= STANDBY
= STANDBY
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