Translations:Btrfs/60/en

Filters

Because a complete balance may take a long time, there is the possibility of filters in balance. When using a filter only those chunks will be balanced, that are named by the filter.

• balance all chunks that are less than 50% full. This will take some time !

root # btrfs balance start -musage=50 -dusage=50 / COPY TO CLIPBOARD

• balance all chunks that are less than 90% full. This will take some time !

root # btrfs balance start -musage=90 -dusage=90 / COPY TO CLIPBOARD

Don't use filters higher than 90%

---

This is unnecessary on an SSD drive. On a hard drive, this will put a lot of strain on the disk. Even with today's hard drives (>2TB), it may take a very long time. (e.g. 24 hours or more)