Hi there,
I've got maybe 6-7 Tb of raw video, sound files and office stuff to duplicate and save, for archiving purpose, and not "monthly backup" like on a NAS or simple USB Time Machine.
It's for the long time, I want to be sure that data integrity will be perfect on every copy, as I want to verify twice a year for each copy and regualry make a turn-over of the hardware used (hard drive, LTO, Blu Ray or anything else).
I read that the best way to do that is to use some "checksum" verification but I don't know exactly how to do it. Beside pro backup or archival software, I found these :
http://diglloydtools.com/integritychecker.html
http://www.macupdate.com/app/mac/960/neofinder
But if possible I don't wont to rely on a commercial solution. Can I do that with the OSX terminal and Automator ? I think about scripting, with my "original hash" compared with the "backuped" one...
And a final question, do such verification are "OS dependent" or "file system dependent" - I mean, do my "OSX/HSF+ checksum/hash/MD5" on a specific file can be verified on Linux or Windows if another OS can read the file system used ?
I've got maybe 6-7 Tb of raw video, sound files and office stuff to duplicate and save, for archiving purpose, and not "monthly backup" like on a NAS or simple USB Time Machine.
It's for the long time, I want to be sure that data integrity will be perfect on every copy, as I want to verify twice a year for each copy and regualry make a turn-over of the hardware used (hard drive, LTO, Blu Ray or anything else).
I read that the best way to do that is to use some "checksum" verification but I don't know exactly how to do it. Beside pro backup or archival software, I found these :
http://diglloydtools.com/integritychecker.html
http://www.macupdate.com/app/mac/960/neofinder
But if possible I don't wont to rely on a commercial solution. Can I do that with the OSX terminal and Automator ? I think about scripting, with my "original hash" compared with the "backuped" one...
And a final question, do such verification are "OS dependent" or "file system dependent" - I mean, do my "OSX/HSF+ checksum/hash/MD5" on a specific file can be verified on Linux or Windows if another OS can read the file system used ?