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Full Discussion: AIX - stale partition
Operating Systems AIX AIX - stale partition Post 303038037 by Necronomic on Thursday 22nd of August 2019 04:14:06 AM
Old 08-22-2019
AIX - stale partition

Hi everybody,
I have a little problem with my AIX 6.1, PowerHA 6.1 LVM mirror. After problem with SAN pathing of our one Datacenter, I have LV at stale state.

Code:
 # lsvg cpsdata2vg
VOLUME GROUP:       cpsdata2vg               VG IDENTIFIER:  00fb518c00004c0000000169445f4c2c
VG STATE:           active                   PP SIZE:        1024 megabyte(s)
VG PERMISSION:      read/write               TOTAL PPs:      6142 (6289408 megabytes)
MAX LVs:            256                      FREE PPs:       441 (451584 megabytes)
LVs:                2                        USED PPs:       5701 (5837824 megabytes)
OPEN LVs:           2                        QUORUM:         2 (Enabled)
TOTAL PVs:          2                        VG DESCRIPTORS: 3
STALE PVs:          1                        STALE PPs:      108
ACTIVE PVs:         1                        AUTO ON:        no
Concurrent:         Enhanced-Capable         Auto-Concurrent: Disabled
VG Mode:            Concurrent
Node ID:            1                        Active Nodes:       2 3 4
MAX PPs per VG:     32768                    MAX PVs:        1024
LTG size (Dynamic): 256 kilobyte(s)          AUTO SYNC:      no
HOT SPARE:          no                       BB POLICY:      relocatable
MIRROR POOL STRICT: off
PV RESTRICTION:     none                     INFINITE RETRY: no
DISK BLOCK SIZE:    512                      CRITICAL VG:    no

 # lspv
...
hdisk36         00fb518c4457e71a                    cpsdata2vg      concurrent
hdisk37         00fb518c4457f895                    cpsdata2vg      concurrent

 # lsvg -l cpsdata2vg
cpsdata2vg:
LV NAME             TYPE       LPs     PPs     PVs  LV STATE      MOUNT POINT
cpsabcd2lv          jfs2       2850    5700    2    open/stale    /cpsabcd2
loglv00             jfs2log    1       1       1    open/syncd    N/A

 # lsvg -p cpsdata2vg
cpsdata2vg:
PV_NAME           PV STATE          TOTAL PPs   FREE PPs    FREE DISTRIBUTION
hdisk36           active            3071        220         00..00..00..00..220
hdisk37           missing           3071        221         00..01..00..00..220


Normally I solve it by command varyonvg for non-concurrent LUNs. I cant find solutions for Enhanced-Capable concurrent LUNs.
I guess that the right way to solve this problem is command varyonvg too. With parameter '-c' for concurrent vary.

Does anyone have experience with this procedure? I cant umount this filesystem right now, so I am curious if I can do this without unavailability or other problem with filesystem.

Thank you.
 

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LVRESIZE(8)						      System Manager's Manual						       LVRESIZE(8)

NAME
lvresize - resize a logical volume SYNOPSIS
lvresize [--alloc AllocationPolicy] [-A|--autobackup y|n] [-d|--debug] [-h|-?|--help] [--noudevsync] [-i|--stripes Stripes [-I|--stripesize StripeSize]] {-l|--extents [+]LogicalExtentsNumber[%{VG|LV|PVS|FREE|ORIGIN}] | -L|--size [+]LogicalVolumeSize[bBsSkKmMgGtTpPeE]} [-t|--test] [-v|--verbose] LogicalVolumePath [PhysicalVolumePath[:PE[-PE]]...] DESCRIPTION
lvresize allows you to resize a logical volume. Be careful when reducing a logical volume's size, because data in the reduced part is lost!!! You should therefore ensure that any filesystem on the volume is shrunk first so that the extents that are to be removed are not in use. Resizing snapshot logical volumes (see lvcreate(8) for information about creating snapshots) is supported as well. But to change the number of copies in a mirrored logical volume use lvconvert(8). OPTIONS
See lvm for common options. --noudevsync Disable udev synchronisation. The process will not wait for notification from udev. It will continue irrespective of any possible udev processing in the background. You should only use this if udev is not running or has rules that ignore the devices LVM2 cre- ates. -l, --extents [+|-]LogicalExtentsNumber[%{VG|LV|PVS|FREE|ORIGIN}] Change or set the logical volume size in units of logical extents. With the + or - sign the value is added to or subtracted from the actual size of the logical volume and without it, the value is taken as an absolute one. The number can also be expressed as a percentage of the total space in the Volume Group with the suffix %VG, relative to the existing size of the Logical Volume with the suffix %LV, as a percentage of the remaining free space of the PhysicalVolumes on the command line with the suffix %PVS, as a per- centage of the remaining free space in the Volume Group with the suffix %FREE, or (for a snapshot) as a percentage of the total space in the Origin Logical Volume with the suffix %ORIGIN. -L, --size [+|-]LogicalVolumeSize[bBsSkKmMgGtTpPeE] Change or set the logical volume size in units of megabytes. A size suffix of M for megabytes, G for gigabytes, T for terabytes, P for petabytes or E for exabytes is optional. With the + or - sign the value is added to or subtracted from the actual size of the logical volume and without it, the value is taken as an absolute one. -i, --stripes Stripes Gives the number of stripes to use when extending a Logical Volume. Defaults to whatever the last segment of the Logical Volume uses. Not applicable to LVs using the original metadata LVM format, which must use a single value throughout. -I, --stripesize StripeSize Gives the number of kilobytes for the granularity of the stripes. Defaults to whatever the last segment of the Logical Volume uses. Not applicable to LVs using the original metadata LVM format, which must use a single value throughout. StripeSize must be 2^n (n = 2 to 9) Examples "lvresize -L+16M vg1/lv1 /dev/sda:0-1 /dev/sdb:0-1" tries to extend a logical volume "vg1/lv1" by 16MB using physical extents /dev/sda:0-1 and /dev/sdb:0-1 for allocation of extents. SEE ALSO
lvm(8), lvconvert(8), lvcreate(8), lvreduce(8), lvchange(8) Sistina Software UK LVM TOOLS 2.02.67(2) (2010-06-04) LVRESIZE(8)

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