[Borgbackup] migrating from attic

[Thomas Waldmann]

> I had tried migrating without --inplace option, but ran out of space
> (with 35% being free before migration),

Sure, as it copies your repo, space requirement doubles.

> so I had to migrate with
> --inplace which was successfull.
>
> Next I tried to make a new backup with borg (on same almost unchanged
> data), but ran out of space on backup storage again. Command is:
> # borg create --stats --compression zlib host:/backup::2016-03-20 /data
> Why deduplication haven't worked as it was in attic?

Did you run it as the same user as the attic backup and as the migration?

IIRC the migration converts the attic chunks and files cache, so quick 
skipping of unmodified files and deduplication should work.

> Also /root/.cache/borg used 42GB space which is IMHO way too much.

If that's too much for you, read the FAQ for a workaround.


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