Re: btrfs fi du is unreliable

2016-12-04 Thread Duncan
Henk Slager posted on Sun, 04 Dec 2016 23:17:23 +0100 as excerpted: > There are no btrfs changes between kernels 4.8.10 and 4.8.11. There is > no compress mount option in my case, that is the only thing I currently > can think of that could make your Set shared number non-zero. Compression... mig

Re: btrfs fi du is unreliable

2016-12-04 Thread Chris Murphy
On Sun, Dec 4, 2016 at 3:17 PM, Henk Slager wrote: > On Sun, Dec 4, 2016 at 7:30 PM, Chris Murphy wrote: >> Hi, >> >> [chris@f25s ~]$ uname -r >> 4.8.11-300.fc25.x86_64 >> [chris@f25s ~]$ rpm -q btrfs-progs >> btrfs-progs-4.8.5-1.fc26.x86_64 >> >> >> I'm not finding any pattern to this so far, bu

Re: btrfs fi du is unreliable

2016-12-04 Thread Henk Slager
On Sun, Dec 4, 2016 at 7:30 PM, Chris Murphy wrote: > Hi, > > [chris@f25s ~]$ uname -r > 4.8.11-300.fc25.x86_64 > [chris@f25s ~]$ rpm -q btrfs-progs > btrfs-progs-4.8.5-1.fc26.x86_64 > > > I'm not finding any pattern to this so far, but it's definitely not > always reliable. Here is today's exampl

Re: btrfs fi du is unreliable

2016-12-04 Thread Chris Murphy
Another example: [chris@f25s ~]$ sudo btrfs fi du -s /mnt/first/everything-new Total Exclusive Set shared Filename 367.54GiB14.21GiB 350.95GiB /mnt/first/everything-new The problem here is that Exclusive + Shared ≠ Total. Rather those two add up to 365.16GiB, which suggests 2.38G

btrfs fi du is unreliable

2016-12-04 Thread Chris Murphy
Hi, [chris@f25s ~]$ uname -r 4.8.11-300.fc25.x86_64 [chris@f25s ~]$ rpm -q btrfs-progs btrfs-progs-4.8.5-1.fc26.x86_64 I'm not finding any pattern to this so far, but it's definitely not always reliable. Here is today's example. [chris@f25s ~]$ sudo btrfs fi du -s /mnt/second/jackson.2015/