johnodon Posted November 19, 2014 Share Posted November 19, 2014 Quick question... Does a BTRFS cache pool sacrifice a disk? I have 3x 128GB SSDs in 3 slots in my cache: Why does it show the total size as 384GB but the used and free do not add up to that? When I look at the details of the "Cache", this is what I see: Label: none uuid: 313257bb-cada-4750-9df3-4ac8b895270d Total devices 3 FS bytes used 61.01GiB devid 1 size 119.24GiB used 73.02GiB path /dev/sdb1 devid 2 size 3.97MiB used 0.00 path /dev/sdc1 devid 3 size 119.24GiB used 73.00GiB path /dev/sdd1 Btrfs v3.16.1 Why is sdc1 listed as only 3.97MiB? Does all of this look as expected? John Link to comment
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