On 5/9/25 12:50 AM, ToddAndMargo via users wrote:
On 5/9/25 12:47 AM, francis.montag...@inria.fr wrote:
Hi.
On Thu, 08 May 2025 22:28:43 -0700 ToddAndMargo via users wrote:
With borg, I backed up three file and restored
them (somewhere else).
...
So the checksum was equivalent, but I lost my sparseness.
...
As a test, now that dump/restore is working again, I backed up
a sparse file and restored:
...
dump/restore gives back exactly what it backed up. Exactly.
...
Borg is incapable of the same result. ...
I don't think so. I made a successful test with a 100M sparseFile like
yours, but you have to give the --sparse option to borg.
In short (under /tmp):
borg init --encryption none /tmp/borg/repo
borg create --sparse /tmp/borg/repo::sparseFile sparseFile
cd ../dst
borg extract --sparse /tmp/borg/repo::sparseFile sparseFile
du -m ../dst/sparseFile
0 ../dst/sparseFile
I will be backing up entire partitions. Not all will be sparse.
Will the tag work only the sparse files it finds?
dump/restore does this automatically. I wonder what possessed
borg to not do it? You want back exactly what you put in. Not
an "equivalent".
--
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