You may encounter the underlying error working with AIX.

lsvg shows STALED partitions

lsvg rootvg
VOLUME GROUP:       rootvg                   VG IDENTIFIER:  00cf4dc300004c0000000127ba041eb4
VG STATE:           active                   PP SIZE:        32 megabyte(s)
VG PERMISSION:      read/write               TOTAL PPs:      1918 (61376 megabytes)
MAX LVs:            256                      FREE PPs:       850 (27200 megabytes)
LVs:                21                       USED PPs:       1068 (34176 megabytes)
OPEN LVs:           19                       QUORUM:         1 (Disabled)
TOTAL PVs:          2                        VG DESCRIPTORS: 3
STALE PVs:          1                        STALE PPs:      17
ACTIVE PVs:         2                        AUTO ON:        yes

or

lsvg shows disk missing

lsvg -p rootvg
rootvg:
PV_NAME           PV STATE          TOTAL PPs   FREE PPs    FREE DISTRIBUTION
hdisk0            missing           959         425         48..06..00..179..192
hdisk1            active            959         425         37..04..00..192..192

Solutions

varyonvg “vgname”

BUT

On rootvg

If the missing disk contains an actif dump device you will get the following error message

0516-1774 varyonvg: Cannot varyon volume group with an active dump device on
        a missing physical volume. Use sysdumpdev to temporarily replace the
        dump device with /dev/sysdumpnull and try again.

In that case use lsvg -p to identify the missing disk and sysdumpdev -l to identify the configured dump devices.

For each dump device, lslv -l “dump device lv” will show the corresponding disk.

lsvg -p rootvg
rootvg:
PV_NAME           PV STATE          TOTAL PPs   FREE PPs    FREE DISTRIBUTION
hdisk0            missing           959         425         48..06..00..179..192
hdisk1            active            959         425         37..04..00..192..192
sysdumpdev -l
primary              /dev/hd7
secondary            /dev/hd7mir
copy directory       /var/adm/ras
forced copy flag     TRUE
always allow dump    FALSE
dump compression     ON
type of dump         traditional
lslv -l hd7mir
hd7mir:N/A
PV                COPIES        IN BAND       DISTRIBUTION  
hdisk1            010:000:000   0%            010:000:000:000:000 

Disengage the dump device of the missing disk.

Attention: there are different options for primary and secondary dump devices !!!

For primary dump device

sysdumpdev -Pp /dev/sysdumpnull

primary              /dev/sysdumpnull
secondary            /dev/hd7mir
copy directory       /var/adm/ras
forced copy flag     TRUE
always allow dump    FALSE
dump compression     ON
type of dump         traditional

For secondary dump device

sysdumpdev -Ps /dev/sysdumpnull

primary              /dev/hd7
secondary            /dev/sysdumpnull
copy directory       /var/adm/ras
forced copy flag     TRUE
always allow dump    FALSE
dump compression     ON
type of dump         traditional

Now you can resynchronize the rootvg with :

varyonvg rootvg

The progression can be shown with lsvg rootvg. The number of STALED PP should decrease til 0.

Don’t forget the reset the the dump device to its former value ! Again different options for primary (-Pp)and secondary (-Ps) dump devices have to be used with the sysdumpdev command.

sysdumpdev -Pp /dev/hd7

primary              /dev/hd7
secondary            /dev/hd7mir
copy directory       /var/adm/ras
forced copy flag     TRUE
always allow dump    FALSE
dump compression     ON
type of dump         traditional

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