update documentation
This commit is contained in:
James Barnett
82
README.md
82
README.md
@@ -26,8 +26,7 @@ snapper is required.
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If your system uses a non-default location for the snapper
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configuration file, specify it on the command line with
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`SNAPPER_CONFIG`. For example, for
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Arch Linux use:
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`SNAPPER_CONFIG`. For example, for Arch Linux use:
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# make SNAPPER_CONFIG=/etc/conf.d/snapper install
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@@ -65,52 +64,80 @@ does not exist, it will be created.
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# snap-sync
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Select a mounted BTRFS device to backup to.
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1) 43cedfb6-8775-43be-8abc-ee63bb92e10e (/)
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2) 43cedfb6-8775-43be-8abc-ee63bb92e10e (/.snapshots)
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3) 43cedfb6-8775-43be-8abc-ee63bb92e10e (/home)
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4) 7360922b-c916-4d9f-a670-67fe0b91143c (/run/media/wes/backup)
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Select a mounted BTRFS device on your local machine to backup to.
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1) /mnt (uuid=7360922b-c916-4d9f-a670-67fe0b91143c, subvolid=5)
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0) Exit
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Enter a number: 4
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Enter a number: 1
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You selected the disk with UUID 7360922b-c916-4d9f-a670-67fe0b91143c.
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The disk is mounted at /run/media/wes/backup.
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You selected the disk with UUID 7360922b-c916-4d9f-a670-67fe0b91143c, subovolid=5.
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The disk is mounted at /mnt.
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Will backup /home/.snapshots/1097/snapshot to /run/media/wes/backup/acer-c720/home/1097//snapshot
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Continue with backup [Y/n]? y
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At subvol /home/.snapshots/1097/snapshot
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Initial configuration...
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Will backup //.snapshots/2288/snapshot to /run/media/wes/backup/acer-c720/root/2288//snapshot
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Continue with backup [Y/n]? y
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At subvol //.snapshots/2288/snapshot
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Creating new snapshot for home...
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Will backup /home/.snapshots/4196/snapshot to /mnt/acer-c720/home/4196//snapshot
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Continue with backup [Y/n]?
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Creating new snapshot for root...
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Will backup //.snapshots/8455/snapshot to /mnt/acer-c720/root/8455//snapshot
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Continue with backup [Y/n]?
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Performing backups...
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Sending incremental snapshot for home...
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At subvol /home/.snapshots/4196/snapshot
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At snapshot snapshot
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Modifying data for old snapshot for home...
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Tagging new snapshot as latest backup for home...
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Sending incremental snapshot for root...
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At subvol //.snapshots/8455/snapshot
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At snapshot snapshot
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Modifying data for old snapshot for root...
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Tagging new snapshot as latest backup for root...
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Done!
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The related snapshots from this on the local machine are for `home`:
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single | 1097 | | Sat 01 Oct 2016 07:48:40 AM CDT | root | | latest incremental backup | backupdir=acer-c720, uuid=7360922b-c916-4d9f-a670-67fe0b91143c
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single | 4196 | | Sat 11 Nov 2017 01:37:44 PM EST | root | | latest incremental backup | backupdir=acer-c720, subvolid=5, uuid=7360922b-c916-4d9f-a670-67fe0b91143c
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and for `root`:
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single | 2288 | | Sat 01 Oct 2016 07:50:56 AM CDT | root | | latest incremental backup | backupdir=acer-c720, uuid=7360922b-c916-4d9f-a670-67fe0b91143c
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single | 8455 | | Sat 11 Nov 2017 01:37:46 PM EST | root | | latest incremental backup | backupdir=acer-c720, subvolid=5, uuid=7360922b-c916-4d9f-a670-67fe0b91143c
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As you can see the userdata column for snapper is used to keep track of these
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snapshots for the next time the script is run so that only the changes will need
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to be sent.
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### With UUID specified and no confirmations
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### With UUID and subvolid specified and no confirmations
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This is essentially what the systemd service does.
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# snap-sync --UUID 7360922b-c916-4d9f-a670-67fe0b91143c --subvolid 5 --noconfirm
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# snap-sync --UUID 7360922b-c916-4d9f-a670-67fe0b91143c --noconfirm
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You selected the disk with UUID 7360922b-c916-4d9f-a670-67fe0b91143c.
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The disk is mounted at /run/media/wes/backup.
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You selected the disk with UUID 7360922b-c916-4d9f-a670-67fe0b91143c, subovolid=5.
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The disk is mounted at /mnt.
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Will backup /home/.snapshots/1379/snapshot to /run/media/wes/backup/acer-c720/home/1379//snapshot
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At subvol /home/.snapshots/1379/snapshot
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Initial configuration...
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Will backup //.snapshots/2782/snapshot to /run/media/wes/backup/acer-c720/root/2782//snapshot
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At subvol //.snapshots/2782/snapshot
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Creating new snapshot for home...
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Will backup /home/.snapshots/4197/snapshot to /mnt/acer-c720/home/4197//snapshot
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Creating new snapshot for root...
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Will backup //.snapshots/8456/snapshot to /mnt/acer-c720/root/8456//snapshot
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Performing backups...
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Sending incremental snapshot for home...
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At subvol /home/.snapshots/4197/snapshot
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At snapshot snapshot
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Modifying data for old snapshot for home...
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Tagging new snapshot as latest backup for home...
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Sending incremental snapshot for root...
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At subvol //.snapshots/8456/snapshot
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At snapshot snapshot
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Modifying data for old snapshot for root...
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Tagging new snapshot as latest backup for root...
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Done!
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@@ -141,7 +168,6 @@ This is essentially what the systemd service does.
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[Install]
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WantedBy=timers.target
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## Contributing
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Help wanted! Feel free to fork and issue a pull request to add features or
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