Difference between revisions of "Btrfs"

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=== Get out of jail ===
=== Get out of jail ===
This said, there is an '''easy way out''': Give btrfs more space ;-)
This said, there is an '''easy way out''': Give btrfs more space ;-)
* '''add a partition''' (for example a extern USB-Stick with 8GB) to the btrfs-volume with{{RootCmd|command=btrfs device add /dev/[sdz4] /}}
* '''add a (unformatted) partition''' (for example a fast extern USB-Stick with 8GB) to the btrfs-volume with{{RootCmd|command=btrfs device add /dev/[sdz4] /}}
* From now on this usb-partition belongs to your volume! Do not boot without it. '''Do not reboot''' at all in this stage! This stick has to stay until btrfs device remove has completed.
{{BoxDanger|Do NOT remove this USB-Stick|From now on this partition belongs to your volume! '''Do not boot without it'''. If possible do not reboot at all in this stage! This USB-stick has to stay until '''btrfs device remove''' has '''completed'''.}}
* look for old snapshots you don´t need, remove them '''now'''
* look for old snapshots you don´t need, remove them '''now'''
* '''or delete some files''' you do not need  
* '''or delete some files''' you do not need  
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* '''balance''' your volume with a filter(50%) This '''will''' take some time !
* '''balance''' your volume with a filter(50%) This '''will''' take some time !{{RootCmd|command=btrfs balance start -dusage=50 /}}
{{RootCmd|command=btrfs balance start -dusage=50 /}}
{{BoxSuccess|Tip: Want to watch the volume clean up ?|{{UserCmd|command=pamac install procps-ng}}}}
{{BoxSuccess|Tip: Want to watch the volume clean up ?|
{{BoxSuccess||After that inside a terminal: {{RootCmd|command=watch -n 60 btrfs filesystem usage -h / }}}}  
{{UserCmd|command=pamac install procps-ng}}}}
* If neccesary '''balance''' your volume with a filter(90%) This '''will''' take some more time !{{RootCmd|command=btrfs balance start -dusage=95 /}}
{{BoxSuccess|After that inside a terminal:|
{{RootCmd|command=watch -n 60 btrfs filesystem usage -h / }}}}  
* '''balance''' your volume with a filter(95%) This '''will''' take some more time !
{{RootCmd|command=btrfs balance start -dusage=95 /}}


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* '''remove the added partition''' from the volume with {{RootCmd|command=btrfs device remove /dev/[sdz4] /}}
* '''remove the added partition''' from the volume with {{RootCmd|command=btrfs device remove /dev/[sdz4] /}}
* This '''will''' take some time ! '''Do not reboot until this step is complete'''.
* This '''will''' take some time ! '''Do not reboot until this step is complete'''.
* Now you may remove the USB-Stick.
* After "btrfs remove" has finished successfully, you can remove the USB stick.


=== Stay out of jail === <!--T:79-->
=== Stay out of jail === <!--T:79-->
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