pbs - backup space usage overview at vm level ?

RolandK

RolandK

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Mar 5, 2019
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is there some solution or script in the meantime, to show how much non-shared-blocks/space a VM takes in backup datastore ?

i want to get rid of "space eaters" with bad deduplication ratio, i.e. adjust backup/retention policy accordingly.

for now, in borg i have something like this, as borg info on the repo or archive would provide such info.

since pbs is simliar (afaik) wrt to block storage/dedup, i wonder if something like this is available in the meantime, or at least being planned !?

adminstation archive-name orig-size compr-size unique added deleted unique-chunks archive-2022-09-30_0958 122.80 GB 7.62 GB 497.97 MB 5.62 MB -5.68 MB 264064 archive-2022-10-31_1041 123.61 GB 9.79 GB 16.04 MB 5.51 MB -5.90 MB 265138 archive-2022-11-25_1553 123.62 GB 9.79 GB 11.32 MB 9.50 MB -18.01 MB 261946 archive-2022-12-02_1513 123.62 GB 9.79 GB 5.51 MB 5.98 MB -5.28 MB 261991 archive-2022-12-10_1811 123.62 GB 9.79 GB 6.25 MB 6.50 MB -7.43 MB 262029 archive-2022-12-17_0456 123.71 GB 9.81 GB 8.39 MB 10.14 MB -5.39 MB 262674 archive-2022-12-23_1138 123.98 GB 9.81 GB 5.52 MB 5.64 MB -5.39 MB 262802 archive-2022-12-29_0929 123.98 GB 9.81 GB 6.11 MB 5.97 MB -5.17 MB 262823 archive-2022-12-31_1530 123.98 GB 9.81 GB 7.28 MB 13.51 MB -6.80 MB 262848 archive-2023-01-02_1032 123.98 GB 9.81 GB 5.15 MB 7.32 MB -5.34 MB 262877 archive-2023-01-04_1120 123.98 GB 9.81 GB 5.29 MB 5.19 MB -5.28 MB 262880 archive-2023-01-06_1142 123.98 GB 9.81 GB 5.29 MB 5.44 MB -6.14 MB 262884 archive-2023-01-08_1645 123.98 GB 9.81 GB 5.34 MB 5.32 MB -5.89 MB 262872 archive-2023-01-10_1127 123.98 GB 9.81 GB 5.33 MB 5.50 MB -8.23 MB 262883 archive-2023-01-12_1152 123.98 GB 9.81 GB 5.97 MB 6.10 MB -10.12 MB 262884 archive-2023-01-14_1737 123.98 GB 9.81 GB 6.12 MB 6.41 MB -9.86 MB 262878 archive-2023-01-17_1146 123.98 GB 9.81 GB 5.94 MB 13.18 MB -5.37 MB 262908 archive-2023-01-19_1116 123.98 GB 9.81 GB 5.39 MB 6.13 MB -5.66 MB 262913 archive-2023-01-21_1628 123.98 GB 9.81 GB 5.49 MB 5.65 MB -580.05 MB 253092 archive-2023-01-23_0958 123.98 GB 9.81 GB 5.35 MB 5.43 MB -5.49 MB 253111 archive-2023-01-25_0945 123.98 GB 9.81 GB 5.69 MB 5.46 MB -5.19 MB 253123 ---------------------------------------------------------------------------- All archives: 2.60 TB 203.81 GB 9.88 GB

bin/borg info /backup-borg-repos/adminstation Repository ID: f412b382a3b26a8eafc4460490955427c0f364dc476909543695361717543543 Location: /backup-borg-repos/adminstation Encrypted: No Cache: /root/.cache/borg/f412b382a3b26a8eafc4460490955427c0f364dc476909543695361717543543 Security dir: /root/.config/borg/security/f412b382a3b26a8eafc4460490955427c0f364dc476909543695361717543543 ------------------------------------------------------------------------------ Original size Compressed size Deduplicated size All archives: 2.60 TB 203.81 GB 9.88 GB Unique chunks Total chunks Chunk index: 253123 6190400
 
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no there is no such tool yet, but you can open a feature request here: https://bugzilla.proxmox.com
while it's probably not hard implementing something like this, i guess it will be quite resource intensive for larger datastores (since it has to iterate over all backups and chunks)
 
ok, thanks, that's what i thought.

yes, but even if it's ressource intensive - it will help to free up space if your backup pool is getting full
 
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