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Recovering aged jobs from LTO-8 - catalog job speed

  • August 30, 2024
  • 1 reply
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downhill
Novice
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We have a situation whereby we have some critical content which was pruned from other storage leaving only aged jobs on tape. I’ve been watching the catalog job run for 15 hours and the filemarker is only at 3260 (according to the CVMA.log) and if one can believe this - the end FM of the tape is   139,947,214,372,864 (at least that is what it says at the top of the TapeCatalog.log. Clearly this is a non-starter. The throughput for the last hour(s) is 0MB/s. So, is the FileMarker number real and if so, how could this possibly be a valid solution anymore? Maybe back in the DLT days, sure. Or am I misreading? Support has said there’s no way to estimate completion or progress. 

The CCM method as suggested in other posts as well as support seems like a possible way, but, I also read that barcodes cannot be the same in source and dest commcells, so then what? And can I choose to simply export or import the metadata specific to this media or set of media? 

Any suggestions other than waiting an eternity for this to finish I am open to at this point.

I can send you the case numbers direct if you want to assist.

thanks!

1 reply

downhill
Novice
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  • Author
  • Novice
  • August 30, 2024

Ok, I can answer my own question and for anyone else who may face this - one can look at other “full” tapes to see how many actual files CV writes. The theoretical file marker limit appears to be in the trillions, but it took 18.5 hours to catalog ~3700 of them, FWIW. But, can’t restore as the thing says there’s no “media groups” available, which I don’t understand.