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racom
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"Cannot complete operation due to concurrent modification by another operation." after VDP update

I've just updated VDP to 5.1.10.32 following Administration Guide. I removed snapshot after update but I'm not able to set disks to "Independent - Persistent“ mode again. I've got "File []/vmfs/volumes/5093aae5-979ec04c-8556-180373ede2e6/vSphere Data Protection/vSphere Data Protection_2-000001.vmdk was not found“ message first and "Cannot complete operation due to concurrent modification by another operation." messages now. No change after reboot.

Could it be related to not running VMware Tools in vCenter Appliance?

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racom
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There was a vCenter problem. After solving VMware Tools problem I was able to set disks back to "Independent - Persistent“ mode.

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snekkalapudi
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Strange to see the VM still pointing to snapshot disk(/vSphere Data Protection_2-000001.vmdk) even after snapshot deletion. Try pointing the VM to original base disk ( without -00000x.vmdk)

-Suresh
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racom
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I'm not sure about the moment just after removing snapshot and my very first attempt to set disks but VDP VM doesn't pointing to snapshot disk now:

~ # ls -la /vmfs/volumes/storage_backup/vSphere\ Data\ Protection/

drwxr-xr-x    1 root     root          3640 May 23 07:56 .

drwxr-xr-t    1 root     root          3780 May 22 10:04 ..

-rw-r--r--    1 root     root            73 May  9 13:53 vSphere Data Protection-bd1fd67b.hlog

-rw-------    1 root     root     4294967296 May 23 07:56 vSphere Data Protection-bd1fd67b.vswp

-rw-------    1 root     root     274877906944 May 23 11:58 vSphere Data Protection-flat.vmdk

-rw-------    1 root     root          8684 May 23 07:56 vSphere Data Protection.nvram

-rw-------    1 root     root           535 May 23 07:56 vSphere Data Protection.vmdk

-rw-r--r--    1 root     root            43 May 22 22:49 vSphere Data Protection.vmsd

-rwxr-xr-x    1 root     root          4465 May 23 08:05 vSphere Data Protection.vmx

-rw-------    1 root     root             0 May 23 07:56 vSphere Data Protection.vmx.lck

-rw-r--r--    1 root     root           278 May 23 08:05 vSphere Data Protection.vmxf

-rwxr-xr-x    1 root     root          4465 May 23 08:05 vSphere Data Protection.vmx~

-rw-------    1 root     root     274877906944 May 23 11:58 vSphere Data Protection_1-flat.vmdk

-rw-------    1 root     root           537 May 23 07:56 vSphere Data Protection_1.vmdk

-rw-------    1 root     root     274877906944 May 23 11:59 vSphere Data Protection_2-flat.vmdk

-rw-------    1 root     root           537 May 23 07:56 vSphere Data Protection_2.vmdk

-rw-------    1 root     root     107374182400 May 23 11:59 vSphere Data Protection_3-flat.vmdk

-rw-------    1 root     root           566 May 23 07:56 vSphere Data Protection_3.vmdk

-rw-r--r--    1 root     root       3561352 May 22 21:50 vmware-10.log

-rw-r--r--    1 root     root        158223 May 22 22:41 vmware-11.log

-rw-r--r--    1 root     root        151891 May 23 07:50 vmware-12.log

-rw-r--r--    1 root     root       7225456 Jan  9 21:53 vmware-7.log

-rw-r--r--    1 root     root        185477 Jan  9 22:14 vmware-8.log

-rw-r--r--    1 root     root      28654154 May  9 13:53 vmware-9.log

-rw-r--r--    1 root     root        129023 May 23 08:07 vmware.log

-rw-------    1 root     root      98566144 May 23 07:56 vmx-vSphere Data Protection-3172980347-1.vswp

I was surprised with the first message because I've removed snapshot just before and no error or warning appeared.

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racom
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There was a vCenter problem. After solving VMware Tools problem I was able to set disks back to "Independent - Persistent“ mode.

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rohit_c
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I just met with this issue.

Solution: With admin acount  you can try to cancel your task showed in "work in progress " window (In french we called Travail en cours Smiley Wink )  

And try again! This will surely solve the problem !

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