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alt_disk_install - how to clone the currently running system to an alternate disk in IBM AIX
Description

To clone the currently running AIX on an alternate disk, use the alt_disk_install command.

1) Verify you have the packages required:

# lslpp -l bos.alt_disk*
  Fileset                      Level  State      Description
  ----------------------------------------------------------------------------
Path: /usr/lib/objrepos
  bos.alt_disk_install.boot_images
                            5.2.0.40  APPLIED    Alternate Disk Installation
                                                 Disk Boot Images
  bos.alt_disk_install.rte  5.2.0.40  APPLIED    Alternate Disk Installation
                                                 Runtime

2) Verify which disk holds the current running AIX (hdisk1 in my case) and which will hold the clone (hdisk0 in my case):

# lspv
hdisk0          000b3a3de79af4d1                    None
hdisk1          0002404a5a02dd05                    rootvg       active

3) Verify your current settings:

# lsvg -l rootvg
rootvg:
LV NAME             TYPE       LPs   PPs   PVs  LV STATE      MOUNT POINT
hd5                 boot       1     1     1    closed/syncd  N/A
hd6                 paging     32    32    1    open/syncd    N/A
paging00            paging     32    32    1    open/syncd    N/A
hd8                 jfslog     1     1     1    open/syncd    N/A
hd4                 jfs        2     2     1    open/syncd    /
hd2                 jfs        49    49    1    open/syncd    /usr
hd9var              jfs        3     3     1    open/syncd    /var
hd3                 jfs        9     9     1    open/syncd    /tmp
hd1                 jfs        1     1     1    open/syncd    /home
hd10opt             jfs        3     3     1    open/syncd    /opt
hd7copie            dump       8     8     1    open/syncd    N/A

# lsvg rootvg
VOLUME GROUP:   rootvg                   VG IDENTIFIER:  000b3a3d00004c00000000fa0fbff242
VG STATE:       active                   PP SIZE:        64 megabyte(s)
VG PERMISSION:  read/write               TOTAL PPs:      271 (17344 megabytes)
MAX LVs:        256                      FREE PPs:       130 (8320 megabytes)
LVs:            11                       USED PPs:       141 (9024 megabytes)
OPEN LVs:       10                       QUORUM:         2
TOTAL PVs:      1                        VG DESCRIPTORS: 2
STALE PVs:      0                        STALE PPs:      0
ACTIVE PVs:     1                        AUTO ON:        yes
MAX PPs per PV: 1016                     MAX PVs:        32
LTG size:       128 kilobyte(s)          AUTO SYNC:      no
HOT SPARE:      no                       BB POLICY:      relocatable

4) Start the cloning process:

# alt_disk_install -C hdisk0

5) Run some post cloning checks:

# lsvg
altinst_rootvg
rootvg

# lsvg -l altinst_rootvg
0516-010 : Volume group must be varied on; use varyonvg command.

# lspv
hdisk0 000b3a3de79af4d1 altinst_rootvg
hdisk1 0002404a5a02dd05 rootvg active

6) Ensure you will boot to clone disk:

# bootlist -m normal -o
hdisk0

7) Reboot:

# shutdown -Fr

8) Remove the old_rootvg volume group definition from the ODM database:

# alt_disk_install -X old_rootvg

9) Some more verifications:

# lspv
hdisk0          000b3a3de79af4d1                    rootvg        active
hdisk1          0002404a5a02dd05                    None

# bootlist -m normal -o
hdisk0

# lsvg -l rootvg
rootvg:
LV NAME             TYPE       LPs   PPs   PVs  LV STATE      MOUNT POINT
hd5                 boot       1     1     1    closed/syncd  N/A
hd6                 paging     32    32    1    open/syncd    N/A
paging00            paging     32    32    1    open/syncd    N/A
hd8                 jfslog     1     1     1    open/syncd    N/A
hd4                 jfs        2     2     1    open/syncd    /
hd2                 jfs        49    49    1    open/syncd    /usr
hd9var              jfs        3     3     1    open/syncd    /var
hd3                 jfs        9     9     1    open/syncd    /tmp
hd1                 jfs        1     1     1    open/syncd    /home
hd10opt             jfs        3     3     1    open/syncd    /opt
hd7copie            dump       8     8     1    open/syncd    N/A
Example

alt_disk_install -C hdisk0; shutdown -Fr; alt_disk_install -X old_rootvg

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