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Cache-A: file sizes different on LTO and VTAPE

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Gerald Goldman
Cache-A: file sizes different on LTO and VTAPE
on Feb 12, 2013 at 7:06:23 pm

I archived some files today from our network to our Cache-A. I always copy the files first, then have the LTO sync in order to avoid some problems we have had in the past with our network. The files are the same size on the SAN and the VTAPE, but when they copied to the LTO, they are listed with smaller file sizes.

I have never noticed this before. In fact, we generally check the tape information in the Cache-A browser interface to make sure all the files from the VTAPE have made it to LTO. The space used has always matched in the past.

When the tape is filled, I will restore some files to check that they are not corrupted, but in the meantime, what am I missing here? Is something wrong, or does this happen sometimes?

Long ago I remember that different volumes could show the same file at different sizes, but I thought those problems were sorted out.

Thanks for any help with this.

Gerald Goldman
Director of Post Production
Grace Creek Media

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