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Linux Btrfsfilesystem Management underlying device

Source: Internet
Author: User
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The filesystem's underlying device must be added and removed.

Increase disk/partition

State of the present




Now to add the device




This time the file system needs to be re-distributed.


By default, all data is re-distributed

The only thing to do here is to redistribute the data.




Before the free space is 3G, now the free space when 1.5G

Now let's delete the underlying hard drive/partition

Redistribution of data in a raid0 manner

The free space is changed from 1 to 2.


Linux Btrfsfilesystem Management underlying device

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