No space left on device

Predrag Punosevac punosevac72 at gmail.com
Mon Jul 25 21:43:49 PDT 2022


Matthew Dillon <dillon at backplane.com> wrote:

> Check snapshots too.   One of the issues with snapshots is that deleted
> files don't reclaim space until all related snapshots that held them are
> gone.

Of course :-) I am managing 1 petbyte of data at work although using ZFS
not H1 or H2. I deal with ZFS quotas, snapshots, and users who are made
at me because rm doesn't work on daily basis.

Check this out after 

hammer reblock

of /var and /usr PFSs. 

dfly# df -h
Filesystem                  Size   Used  Avail Capacity  Mounted on
ROOT                       21.7G  9491M  12.5G    43%    /
devfs                      1024B  1024B     0B   100%    /dev
/dev/serno/B620550018.s1a  1008M   734M   194M    79%    /boot
/pfs/@@-1:00001            21.7G  9491M  12.5G    43%    /var
/pfs/@@-1:00002            21.7G  9491M  12.5G    43%    /tmp
/pfs/@@-1:00003            21.7G  9491M  12.5G    43%    /home
/pfs/@@-1:00004            21.7G  9491M  12.5G    43%    /usr/obj
/pfs/@@-1:00005            21.7G  9491M  12.5G    43%    /var/crash
/pfs/@@-1:00006            21.7G  9491M  12.5G    43%    /var/tmp
procfs                     4096B  4096B     0B   100%    /proc
BACKUP                     1862G   431G  1431G    23%    /data
MIRROR                      465G   162G   303G    35%    /mirror
/data/pfs/@@-1:00001       1862G   431G  1431G    23%    /data/backups
/data/pfs/@@-1:00002       1862G   431G  1431G    23%    /data/nfs
tmpfs                      1944M     0B  1944M     0%    /var/run/shm

Best,
Predrag

> 
> -Matt



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