approximate time to merge avhdx file into vhdx file

I have an approximate 126G avhdx file merging with a vhdx file approximately 262G in size (see embedded file).

file size
Applying changes has been running for close to 6 hours, anyway to calculate how long the merge may take?

apply changes
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WORKS2011Managed IT, Cyber Security, BackupAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
How long is a piece of string?

it could take, seconds, minutes, hours, weeks or days based on the size of the snapshot....

and is very dependant on the speed of the datastore, or underlying volume type, and it's IOPS.

So what volume, do you have, disk type, SAS or SATA, 7.2k, 10k, 15k, SSD, RAID 1, RAID 10, RAID 5 etc
WORKS2011Managed IT, Cyber Security, BackupAuthor Commented:
Understood. RAID5 PERC6 controller, PowerEdge T320

Intel(R) Xeon(R) CPU E5-2430 v2 @ 2.50GHz

32G memory
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Disks SAS 15k ?

how many ?

How long has it been running ?
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WORKS2011Managed IT, Cyber Security, BackupAuthor Commented:
Yes, disks are SAS 15K

3 disks, RAID5

It's been running for just over 12 hours.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
RAID 5, and 3 disks, not many IOPS.

I would be patient, also check you have the storage space on the volume
WORKS2011Managed IT, Cyber Security, BackupAuthor Commented:
how much space is needed, there is 92G free space I can delete up to 132G more space if needed.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
if you can free-up space, and free-up 132GB, that would be ideal.
WORKS2011Managed IT, Cyber Security, BackupAuthor Commented:
created a new database and migrated data into it, files never recovered.

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WORKS2011Managed IT, Cyber Security, BackupAuthor Commented:
resolved by creating a new database and importing data.
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