I am running FlashBackup of 2 very large volumes (36 Tb and 28 TB) to tape. I got a message saying that the Shadow copy of one of the volumes was deleted because it could not grow fast enough. I disabled Shadow copy on that drive and restarted the backup. The backup seems to be running fine. I was wandering if Shadow copy is actually needed during FlashBackup because it is not getting the changes anyway ? Thoughts , suggestions ??
FlashBackup needs a supported snapshot technology.
On Windows, the default is VSS.
You need to ensure that there is enough space on a drive other than the ones being backed up.
If memory serves me right, all of this is explained in the Snapshot Client manual.
I have not seen customers using this in over 10 years because of various problems with this feature - one of which was constant issues with VSS.
Thank you for your reply. The Snapshot drive has plenty of space (1.7 TB). I was backing up both of the drives in parallel. I think the system could not keep up with the changes. (The error said that the Shadow copy could not grow fast enough). I disabled the shadow copy of the drive that failed. That drive is still processing, while the other drive completed
