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Re: [BackupPC-users] Block-level rsync-like hashing dd?
2011-04-12 15:56:17
hansbkk AT gmail DOT com wrote on 04/10/2011 06:19:09 AM:
> I had a pretty extensive discussion with the Linux-RAID list on
> thisand the general conclution was that the way mdraid does the
> mirroring would just add unnecessary kruft to the resulting filesystem
> and make recovery more difficult.
>
> The bottom line from them was that rather than using RAID to do the
> mirroring to a removable drive, better to just use a tool like DD.
> When I expressed that I wanted a bit more assurance of a "bit-perfect"
> mirror being done, and was directed to these enhanced versions:
Or simply pair it with LVM and take a snapshot in
exactly the same way you'd break the RAID. You'll get identical results.
Tim Massey
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