Comments (2)
masc3d
commented on June 24, 2024
doesn't this break backups running older kernels. imho btrfs send / receive should negotiate their protocol version and until that happens its probably better sticking with default. what's the concrete benefits of running newest protocol via --proto 0?
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madsl
commented on June 24, 2024
--proto <N>
use send protocol version N
The default is 1, which was the original protocol version. Version 2 encodes file data slightly more efficiently; it is also required for sending compressed data directly
(see --compressed-data). Version 2 requires at least btrfs-progs 5.18 on both the sender and receiver and at least Linux 5.18 on the sender. **Passing 0 means to use the
highest version supported by the running kernel.**
So if I understand this correctly, I think proto 0 means it finds out itself what is safe.
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Related Issues (20)
- Individual commands for local (`snapshot`) and remote transfer (`sync`) HOT 4
- No way to disable compression HOT 2
- Allow to disable ssh compression HOT 2
- Allow to specify ssh cypher HOT 5
- Backup not working unexpected EOF in stream HOT 4
- Incremental backup not working HOT 19
- Destination retention is not applied HOT 2
- sxbackup uses pv when invoked by systemd timer. HOT 3
- Run a pre- script on remote source? HOT 5
- Btrfs-send resiliency in the presence of tcp connection drops HOT 1
- btrfs-sxbackup requires (but does not document) "ionice" on the target HOT 1
- Enable compression on destination only HOT 4
- Command to make instant snapshot only, to transfer it later HOT 4
- Add cli argument to force disable pv for launching in cron scripts HOT 1
- Add transferred snapshot data size to logs output HOT 1
- Missing destination url in ssh source .sxbackup/.btrfs-sxbackup config file HOT 6
- btrfs-sxbackup fails to update backup job with ssh source HOT 1
- add webhook support HOT 1
- File contains no section headers HOT 2
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