On Wed, 2025-05-07 at 16:00 -0700, ToddAndMargo via users wrote:
> (I am allergic to incremental backups -- they make me swear when it comes
> time to recover things.)
That's why I use mirrored drives. Belt and braces. Plus I can store a
*lot* of history because of dedupes and compression:
# borg info /raid/Backups/Borg
Repository ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Location: /raid/Backups/Borg
Encrypted: No
Cache: /root/.cache/borg/XXXXXXXXXXXXXXXXXXXXXXXXXX
Security dir: /root/.config/borg/security/XXXXXXXXXXXXXXXXXXXXXXXXXXXXX
------------------------------------------------------------------------------
Original size Compressed size Deduplicated size
All archives: 6.86 TB 5.62 TB 319.45 GB
Unique chunks Total chunks
Chunk index: 690715 16357552
# borg list /raid/Backups/Borg
Bree-2023-07-31_01:00 Mon, 2023-07-31 01:00:08
[04f4b7f87f30153c20ca2e6df1fbd01e516e5ab683abbd08cd1a1689baa755c6]
Bree-2023-12-31_01:00 Sun, 2023-12-31 01:00:09
[ee9ff1153e8bacd6573313598ea9b98852520d076e688dcd8df3c8e37377ac1d]
fedora-2024-08-02_01:00 Fri, 2024-08-02 01:00:02
[da5043fc8ebe066c6951cdb3f5b90f8a8eeef08d0595b3c23a9831fede8ed330]
fedora-2024-08-03_01:00 Sat, 2024-08-03 01:00:00
[f006bf90b7484221b13eabe4ef59f540b0fc04d55f2f856f3e1e8d4439e3f54a]
Bree-2024-11-30_01:00 Sat, 2024-11-30 01:00:07
[56412f702c50a00634a673c327d535f9b97350b9feba540125e58aa0bdb62294]
Bree-2024-12-31_01:00 Tue, 2024-12-31 01:00:07
[680dec8cb2f911636023848d0ae313ba054236a36766989407239467d51157ad]
Bree-2025-01-31_01:00 Fri, 2025-01-31 01:00:07
[fadec70e3bfc0c22a8302eb80348fb0c087fc1e5fe26ae1dddf59853d8b20ae8]
Bree-2025-02-28_01:00 Fri, 2025-02-28 01:00:07
[8cb9cf642a27605042dabac96e4a6135b796a6c4a30469c1f632b509d415a30f]
Bree-2025-03-31_01:00 Mon, 2025-03-31 01:00:06
[3f8d38514ac373dcda4d527d87f6f113edba8af9345f17e21592692fa9c77c5d]
Bree-2025-04-06_01:00 Sun, 2025-04-06 01:00:07
[b65ebbedb30279a9bd2d78db3e7c3ace1ab620dc07fbdefe241909423d5ccb3d]
Bree-2025-04-13_01:00 Sun, 2025-04-13 01:00:07
[e77adf684fb114f75e6e450daa7d848af2718a73fb1061f4838cc052fccea28d]
Bree-2025-04-20_01:00 Sun, 2025-04-20 01:00:07
[d8afa87e3771f75ec8e71734e90ae4f6126827ecfe644946c5062c36083a4a54]
Bree-2025-04-27_01:00 Sun, 2025-04-27 01:00:06
[e53aef71240aeb003266a9d773763b9ba0538d6003b50766ba6be65f91d1b0b1]
Bree-2025-04-30_01:00 Wed, 2025-04-30 01:00:07
[afad16c751ed1efee4a0d4d426184c74116d425697dc2d2ed5c66fb1dc3e57f4]
Bree-2025-05-02_01:00 Fri, 2025-05-02 01:00:07
[6f7c495f1752538e6a1eb4b2a063ba284f4e8a92bdeee1613f2339f5d02fe131]
Bree-2025-05-03_01:00 Sat, 2025-05-03 01:00:07
[39e29641e3ef9aabb57bc8f43077c2f7b2ebba5c09468bd474cb1b6eae44a489]
Bree-2025-05-04_01:00 Sun, 2025-05-04 01:00:06
[31d1444a0768997ad6abc63f88dd591adf37bcb6f172f48cd8c20b030d3a9b37]
Bree-2025-05-05_01:00 Mon, 2025-05-05 01:00:07
[ae96c71055115015451f1d565bd1399c2afe6a53d245b21849f4cf00470e25f2]
Bree-2025-05-06_01:00 Tue, 2025-05-06 01:00:07
[5e1c00df6256b591c5dcf85113f0a87ea79f521d5ed2d0754c4dd210c3500a59]
Bree-2025-05-07_01:00 Wed, 2025-05-07 01:00:07
[b9a7a2501d6ae97c8ae6511837322b0512deb0c19a6032bd6e8a5d4de9d7947f]
Each half of the mirrored drive is a 1TB Samsung HD, retired after I
upgraded my system to 4TB SSDs. Note that only about 30% of it is
actually being used (YMMV of course). BTRFS does checksums on the
chunks for extra reliability.
poc
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