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.
How is this provided? If it's a real disk, then it's broken. If it's SAN provided, then something has gone wrong in the provision.
If you can get the disk back online, you might get away with syncvg -l cpsabcd2lv to re-mirror, but you need the hardware (however provided) to be sorted first.
I notice that loglv00 is not mirrored. I would suggest getting that done. If you had lost hdisk36 then would be in real trouble. As it is, LVM is coping.
My apologies for being away for a few days. There should be no difference with the process because they will both do the same thing. If the lost LUN is now available and visible to the volume group, then the sync, however it runs will have to read the appropriate physical partitions from the good side and copy them to the stale side if the PP has been updated. It will not copy the data if the PP has not updated, but for a large LV, this process can take some time to complete.
You should be able to monitor it from another session so you get an idea of progress and see the stale PP count reducing.
I have a AIX 7.1 system that has 3 failed disks, 1 in rootvg and 2 in vg_usr1.
Here is the output of lspv.
# lspv
hdisk0 00044d4dfbb11575 vg_usr1 active
hdisk1 0000150179158027 vg_usr1 active
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hi, i was trying to mirror root volume group and the command i was using didnt respond for a long time
mirrorvg -m rootvg hdisk1
I was checking rootvg and it gives below. how do i fix stale partitions?? it seems to be on hdisk1
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I've created a partition with GNU Parted, how do I mount the partition?
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Thanks,
--Todd (1 Reply)
09-11-2019
