[Borgbackup] 550GB rsync-tree will not dump
Thomas Waldmann
tw at waldmann-edv.de
Tue Aug 9 09:59:24 EDT 2016
>> What is the error when you use no compression?
> 553.53 GB O 553.75 GB C 319.15 GB D 4585967 N
OK, so 550GB data and 4.5M files.
> File "/usr/local/lib/python3.4/site-packages/borg/repository.py", line
> 704, in _read
> segment, offset))
> borg.helpers.IntegrityError: Invalid segment entry size [segment 48441,
> offset 4210392]
It has written a huge object and now rejects to read it, see:
https://github.com/borgbackup/borg/issues/1451
What we are wondering about:
You don't have that many files, it is just 4.5 million files.
Also they are not that big as the total size is just 550GB.
Also, you said you have a lot of hardlinks (which borg stores as
chunkless item that keeps a reference to a "master item" with the chunks
list - but it will store ACLs and xattrs for the hardlink item separately).
So why are your metadata items that big? Do you have a lot of ACLs or
xattrs?
See there:
https://github.com/borgbackup/borg/issues/1452
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