Clone rootvg (alt_disk_copy)

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List all rootvg disks

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root@temp02:/ # lspv
hdisk1          00c21251fa668def                    rootvg          active
hdisk0          00c21251f4de5f81                    rootvg          active

List all file system across rootvg, hdisk0, and hdisk1

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root@temp02:/ # lsvg -l rootvg
rootvg:
LV NAME             TYPE       LPs     PPs     PVs  LV STATE      MOUNT POINT
hd5                 boot       1       2       2    closed/syncd  N/A
hd6                 paging     2       4       2    open/syncd    N/A
hd8                 jfs2log    1       2       2    open/syncd    N/A
hd4                 jfs2       20      40      2    open/syncd    /
hd2                 jfs2       10      20      2    open/syncd    /usr
hd9var              jfs2       1       2       2    open/syncd    /var
hd3                 jfs2       28      56      2    open/syncd    /tmp
hd1                 jfs2       1       2       2    open/syncd    /home
hd10opt             jfs2       20      40      2    open/syncd    /opt
hd11admin           jfs2       1       2       2    open/syncd    /admin
lg_dumplv           sysdump    4       4       1    open/syncd    N/A
livedump            jfs2       1       2       2    open/syncd    /var/adm/ras/livedump
lvsource            jfs2       72      72      1    closed/syncd  /source

root@temp02:/ # lspv -l hdisk0
hdisk0:
LV NAME               LPs     PPs     DISTRIBUTION          MOUNT POINT
livedump              1       1       00..01..00..00..00    /var/adm/ras/livedump
hd11admin             1       1       00..00..01..00..00    /admin
lg_dumplv             4       4       00..04..00..00..00    N/A
hd10opt               20      20      00..00..20..00..00    /opt
hd3                   28      28      00..00..28..00..00    /tmp
hd1                   1       1       00..00..01..00..00    /home
hd2                   10      10      00..00..10..00..00    /usr
hd9var                1       1       00..00..01..00..00    /var
hd8                   1       1       00..00..01..00..00    N/A
hd4                   20      20      00..00..20..00..00    /
hd5                   1       1       01..00..00..00..00    N/A
hd6                   2       2       00..02..00..00..00    N/A

root@temp02:/ # lspv -l hdisk1
hdisk1:
LV NAME               LPs     PPs     DISTRIBUTION          MOUNT POINT
livedump              1       1       00..01..00..00..00    /var/adm/ras/livedump
lvsource              72      72      00..72..00..00..00    /source
hd11admin             1       1       00..00..01..00..00    /admin
hd10opt               20      20      00..00..20..00..00    /opt
hd3                   28      28      00..00..28..00..00    /tmp
hd1                   1       1       00..00..01..00..00    /home
hd2                   10      10      00..00..10..00..00    /usr
hd9var                1       1       00..00..01..00..00    /var
hd8                   1       1       00..00..01..00..00    N/A
hd4                   20      20      00..00..20..00..00    /
hd5                   1       1       01..00..00..00..00    N/A
hd6                   2       2       00..02..00..00..00    N/A

Unmirror rootvg (remove hdisk0)

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root@temp02:/ # unmirrorvg rootvg hdisk0
0516-1246 rmlvcopy: If hd5 is the boot logical volume, please run 'chpv -c <diskname>'
        as root user to clear the boot record and avoid a potential boot
        off an old boot image that may reside on the disk from which this
        logical volume is moved/removed.
0516-1804 chvg: The quorum change takes effect immediately.
0516-1144 unmirrorvg: rootvg successfully unmirrored, user should perform
        bosboot of system to reinitialize boot records.  Then, user must modify
        bootlist to just include:  hdisk1.

root@temp02:/ # lspv
hdisk1          00c21251fa668def                    rootvg          active
hdisk0          00c21251f4de5f81                    rootvg          active

root@temp02:/ # bosboot -ad hdisk1

bosboot: Boot image is 61489 512 byte blocks.

Verify the file system in hdisk0

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# lspv -l hdisk0
hdisk0:
LV NAME               LPs     PPs     DISTRIBUTION          MOUNT POINT
lg_dumplv             4       4       00..04..00..00..00    N/A

# mklvcopy lg_dumplv 2 hdisk0 hdisk1

# syncvg -l lg_dumplv

# rmlvcopy lg_dumplv 1 hdisk0

# lspv -l hdisk0

Remove hdisk0 from rootvg

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# reducevg rootvg hdisk0

# lspv
hdisk1          00c21251fa668def                    rootvg          active
hdisk0          00c21251f4de5f81                    None

Clone rootvg from hdisk1 -> hdisk0

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# alt_disk_copy -d  hdisk0
Calling mkszfile to create new /image.data file.
Checking disk sizes.
Creating cloned rootvg volume group and associated logical volumes.
Creating logical volume alt_hd5.
Creating logical volume alt_hd6.
Creating logical volume alt_hd8.
Creating logical volume alt_hd4.
Creating logical volume alt_hd2.
Creating logical volume alt_hd9var.
Creating logical volume alt_hd3.
Creating logical volume alt_hd1.
Creating logical volume alt_hd10opt.
Creating logical volume alt_hd11admin.
Creating logical volume alt_lg_dumplv.
Creating logical volume alt_livedump.
Creating /alt_inst/ file system.
Creating /alt_inst/admin file system.
Creating /alt_inst/home file system.
Creating /alt_inst/opt file system.
Creating /alt_inst/tmp file system.
Creating /alt_inst/usr file system.
Creating /alt_inst/var file system.
Creating /alt_inst/var/adm/ras/livedump file system.
Generating a list of files
for backup and restore into the alternate file system...
Backing-up the rootvg files and restoring them to the alternate file system...
Modifying ODM on cloned disk.
Building boot image on cloned disk.
forced unmount of /alt_inst/var/adm/ras/livedump
forced unmount of /alt_inst/var/adm/ras/livedump
forced unmount of /alt_inst/var
forced unmount of /alt_inst/var
forced unmount of /alt_inst/usr
forced unmount of /alt_inst/usr
forced unmount of /alt_inst/tmp
forced unmount of /alt_inst/tmp
forced unmount of /alt_inst/opt
forced unmount of /alt_inst/opt
forced unmount of /alt_inst/home
forced unmount of /alt_inst/home
forced unmount of /alt_inst/admin
forced unmount of /alt_inst/admin
forced unmount of /alt_inst
forced unmount of /alt_inst
Changing logical volume names in volume group descriptor area.
Fixing LV control blocks...
Fixing file system superblocks...
Bootlist is set to the boot disk: hdisk0 blv=hd5

Verify the boot order

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# bootlist -m normal hdisk[1]

Destroy altinst_rootvg / old_rootvg

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# lspv
hdisk0          00c86220cabdc88c                    rootvg          active
hdisk1          00c86220d9e58aff                    altinst_rootvg

# alt_rootvg_op -X altinst_rootvg
Bootlist is set to the boot disk: hdisk0 blv=hd5

# lspv
hdisk0          00c86220cabdc88c                    rootvg          active
hdisk1          00c86220d9e58aff                    None

Re-form AIX mirror

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# extendvg -f rootvg hdisk1

# mirrorvg '-S' rootvg hdisk0 hdisk1
0516-1804 chvg: The quorum change takes effect immediately.
0516-1126 mirrorvg: rootvg successfully mirrored, user should perform
        bosboot of system to initialize boot records.  Then, user must modify
        bootlist to include:  hdisk0 hdisk1.

# bosboot -a -d hdisk0
trustchk: Verification of attributes failed: /etc/vfs
: mode

bosboot: Boot image is 61489 512 byte blocks.

# bosboot -a -d hdisk1
trustchk: Verification of attributes failed: /etc/vfs
: mode

bosboot: Boot image is 61489 512 byte blocks.

# bootlist -m normal hdisk0 hdisk1
# bootlist -m normal -o
hdisk0 blv=hd5 pathid=0
hdisk1 blv=hd5 pathid=0

# mklvcopy lg_dumplv 2 hdisk0 hdisk1

# syncvg -l lg_dumplv

# lsvg -l rootvg
rootvg:
LV NAME             TYPE       LPs     PPs     PVs  LV STATE      MOUNT POINT
hd5                 boot       1       2       2    closed/syncd  N/A
hd6                 paging     4       8       2    open/syncd    N/A
hd8                 jfs2log    1       2       2    open/syncd    N/A
hd4                 jfs2       96      192     2    open/syncd    /
hd2                 jfs2       80      160     2    open/syncd    /usr
hd9var              jfs2       80      160     2    open/syncd    /var
hd3                 jfs2       80      160     2    open/stale    /tmp
hd1                 jfs2       40      80      2    open/stale    /home
hd10opt             jfs2       80      160     2    open/stale    /opt
hd11admin           jfs2       40      80      2    open/stale    /admin
lg_dumplv           sysdump    44      88      2    open/syncd    N/A
livedump            jfs2       8       16      2    open/stale    /var/adm/ras/livedump
lvsource            jfs2       560     1120    2    open/stale    /source
paging00            paging     192     384     2    open/stale    N/A
lvu01               jfs2       784     1568    2    open/stale    /u01
auditlv             jfs2       16      32      2    open/stale    /audit
lvnmon              jfs2       16      32      2    open/stale    /nmon

* wait until all LV STATE = synced