On 10/03/2012 09:32 PM, David Sterba wrote:
On Wed, Oct 03, 2012 at 07:22:30PM +0200, Goffredo Baroncelli wrote:
$ ./btrfs filesystem df /
Path: /
Summary:
Disk_size: 72.57GB
Disk_allocated: 25.10GB
Disk_unallocated: 47.48GB
Logical_size: 23.06GB
Used: 11.01GB
Free_(Estimated): 55.66GB (Max: 59.52GB, Min: 35.78GB)
Data_to_disk_ratio: 92 %
Details:
Chunk-type Mode Chunk_size Logical_size Used
Data Single 21.01GB 21.01GB 10.34GB
System DUP 80.00MB 40.00MB 4.00KB
System Single 4.00MB 4.00MB 0.00
Metadata DUP 4.00GB 2.00GB 686.93MB
Metadata Single 8.00MB 8.00MB 0.00
Please snip the following help text from basic output, eg. when I'm
running the 'df' command before/after some actions from scripts, this
is unnecessary.
Hi David,
the output of the program ends with the "Metadata Single....". What you
called "Help text" is a short description in the email.
BR
Goffredo
Where:
Disk_size -> sum of sizes of teh disks
Disk_allocated -> sum of chunk sizes
Disk_unallocated -> Disk_size - Disk_allocated
Logical_size -> sum of logical area sizes
Used -> logical area used
Free_(Estimated) -> on the basis of allocated
chunk, an estrapolation of
the free space
Data_to_disk_ratio -> ration between the space occuped
by a chunk and the real space
available ( due to duplication
and/or RAID level)
Chunk_type -> kind of chunk
Mode -> allocation policy of a chunk
Chunk_size -> area of disk(s) occuped by the
chunk (see it as raw space used)
Logical_size -> logical area size of the chunk
Used -> portion of the logical area
used by the filesystem
david
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