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Chapter 3. Standalone SCSI rootvg to virtual SCSI 67
VG PERMISSION: read/write TOTAL PPs: 546 (139776 megabytes)
MAX LVs: 256 FREE PPs: 509 (130304 megabytes)
LVs: 12 USED PPs: 37 (9472 megabytes)
OPEN LVs: 11 QUORUM: 2 (Enabled)
TOTAL PVs: 1 VG DESCRIPTORS: 2
STALE PVs: 0 STALE PPs: 0
ACTIVE PVs: 1 AUTO ON: yes
MAX PPs per VG: 32512
MAX PPs per PV: 1016 MAX PVs: 32
LTG size (Dynamic): 1024 kilobyte(s) AUTO SYNC: no
HOT SPARE: no BB POLICY: relocatable
2. Ensure that the disk that you are going to clone the rootvg to has:
a. Enough space available using the size of the rootvg obtained from step 1
on page 66. You can see that a disk of about 140 GB has been allocated
but 9472 MBs (9.5 GB) has been used. A SAN volume of about 10 or
15 GB is adequate in this case.
b. The target disk for the alt_clone operation should not be a member of the
rootvg that you are cloning. If it is a member, you must remove it from the
volume group (reducevg). Use the AIX lspv command to check the disks’
volume group membership:
# lspv
hdisk0 000fe4012a8f0920 rootvg active
hdisk8 none None
#
3. It is useful to make a note of the unique disk identification using the AIX
lsattr command. At this stage record the unique_id attribute:
# lsattr -El hdisk8
PCM PCM/friend/otherapdisk Path
Control Module False
PR_key_value none
Persistant Reserve Key Value True
algorithm fail_over
Algorithm True
autorecovery no
Path/Ownership Autorecovery True
clr_q no Device
CLEARS its Queue on error True
cntl_delay_time 0
Controller Delay Time True
cntl_hcheck_int 0
Controller Health Check Interval True
dist_err_pcnt 0
Distributed Error Percentage True
dist_tw_width 50
Distributed Error Sample Time True
hcheck_cmd inquiry Health
Check Command True
hcheck_interval 60 Health
Check Interval True