Our CMOD process has 3 data tiers, 1 - fast disk, 2- somewhat slower disk and 3 - tape, and the data is accessible at all 3 tiers. We are condisdering the possibility of moving TSM tape data to inexpensive disk and I am looking for input and thoughts on how to do this move while retaining the availablibility of the data through all 3 tiers. Please let me know if anyone has any experience or thoughts on how this can be accomplished.
Thanks,
Russell
I have a similiar question and am hoping someone can respond.
I have two copy storage pools (A & B) that are a backup of each other and both reside on LTO2 tapes. They contain old TSM data from optical platters. We have since stopped using TSM and send everything straight to disk cache. I would like to move this old TSM data from tape to disk. Each pool contains 2 tapes. I see a pool called BACKUPPOOL already defined. There is nothing in it. So can I use one of these commands?
copy activedata LTOBKPPOOLA BACKUPPOOL maxprocess=4
backup stgpool LTOBKPPOOLA BACKUPPOOL
Without getting into the step by step, yes, you can use the 'move data' command to move data from one storagepool to another.
You'll likely want to create a new storagepool (deviceclass file) and put it on the same type of disk that your cache is currently living on.
Then you can do a move data, and the contents of the tape will move onto disk. From there, you can rely on your enterprise backup, and repurpose the LTO tapes.