How to recover volume

Hello Kelvin,

there could be multiple things...

-- what type of volume it is ? mirror/stripe/concat ?

-- whether the Luns of the volume are still intact ?

-- do you see any disk/lun in failed state ?

can you paste what is the current state of the volume ?

# vxprint -qthg <diskgroup> <volume>

vxrecover may work if all the disks are visible in the background (no failed disk)

Depending on volume state will let you know the commands to recover..

Gaurav

Hi Gaurav,

Thank you for your past reply

type:concat

RAID-1

All the status of dg were enabled and all the disks were good, so I think that we should update the file system with vx command.

After vxrecover, the vol01 was still I/O error in "df -k"

After replace diskarray controller, should I update the volo01 status? Thank you

Kelvin

Hello Kelvin,

little confused, RAID-1 is a mirror .. it can not be concat...

can you paste the vxprint output which I asked above ?

to update the state in "df -k", you will need to unmount & re-mount the filesystem.. but before doing that, I would like to ensure the state of volume is healthy... a healthy volume is indicated in vxprint output with "Enabled Active" state

Gaurav

Hello Gaurav,

Sorry for wrong choice.

The system was RAID 1+0.

vxprint like the following:

Hello Kelvin

ok, so that clears some smoke ....

Now you can see, your volume is still disabled active .. that means it is not ready to serve your filesystem... & reason for this is, plex is in nodevice state... that means one of the disk is missing.... & missing disk is second subdisk which is flagged as NDEV

v  vol01        -            DISABLED ACTIVE   2550603776 SELECT  -        fsgen
pl vol01-01     vol01        DISABLED NODEVICE 2550603840 CONCAT  -        RW
sd bgw1dgc3t40d1-01 vol01-01 bgw1dgc3t40d1 0   836546880 0        c1t40d1  ENA
sd bgw1dgc4t40d0-01 vol01-01 bgw1dgc4t40d0 0   857028480 836546880 -       NDEV
sd bgw1dgc5t40d0-01 vol01-01 bgw1dgc5t40d0 0   857028480 1693575360 c3t40d0 ENA

& you can see disk is reported as failed in "vxdisk list"

bgw1dgc4t40d0 bgw1dg       failed was:c2t40d0s2

however same disk is also shown as online in vxdisk list

c2t40d0s2    auto:sliced     -            -            online

Can you run following commands & show me outcomes:

# vxdisk -e list

# vxreattach -c c2t40d0s2

# vxdisk -e list

# vxdisk -o alldgs list

Gaurav

Hi Gaurav,

There was a disk broken, and I had replaced it before.

After replaced it, "bgw1dgc4t40d0 bgw1dg       failed was:c2t40d0s2" still in vxdisk list

We need to re-import disk c2t40d0s2 into vxvm?

Hi Gaurav,

Thanks for your help. I am doing some I.N. research. And the system need vcs.

It is a great help.

sorry but I am not clear with actions/objective ....

you are saying you need VCS, do you want to configure this volume in VCS ?

what about volume, do you want to re-enable the volume (data loss ofcourse) or you will rebuild your filesystem on your own ?

Gaurav

Yes, I wanna configure this volume in VCS and after replace the disk-array, I re-enable it and rebuild it by myself.