Copied files checksum

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Copied files checksum

Post by mnos3c » Thu Mar 28, 2013 9:02 pm

I need to copy 1tb data from a hfs+ internal disk to a zfs internal disk.
How can I check that copied data are identical? I read about rsync but I don't know how to do this with zevo...
In future I want to have just zfs drive and I would like to repeat this task on zfs (how to check integrity of copied files without mirroring).
Thanks in advance!
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zstreamdump(8)

Post by grahamperrin » Thu Mar 28, 2013 10:05 pm

The first thing that comes to mind is zstreamdump(8).

See for example Ramblings from Richard's Ranch: check integrity of ZFS send streams with zstreamdump (2009-10-21) and note the comments there.

In the ZEVO area, experiments with zstreamdump and zdb.
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Re: Copied files checksum

Post by mnos3c » Fri Mar 29, 2013 8:59 pm

UPDATE: I found IntegrityChecker from dgtlloyd that do exactly what I need :-)
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Link

Post by grahamperrin » Sat Mar 30, 2013 6:04 am

Thanks – that's not specific to ZEVO or ZFS so here's something in Ask Different: How should a user of OS X verify whether backed up data comprises everything required for lossless restoration?
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