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alces-software / gridware

tool for compilation and installation of applications and libraries from the Alces Gridware software library
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Trigger umount on slaves when a depot is purged #8

Open bobwhitelock opened 7 years ago

bobwhitelock commented 7 years ago

From @vlj91 on May 17, 2016 9:56

1.5 build on OpenStack. After purging a depot, the following appears when running df on compute hosts: 

[alces@node00(hpc1) ~]$ df -h
df: ‘/opt/gridware/depots/8153b7b7’: Stale file handle
Filesystem                               Size  Used Avail Use% Mounted on
/dev/vda1                                 40G  3.8G   37G  10% /
devtmpfs                                 1.9G     0  1.9G   0% /dev
tmpfs                                    1.9G     0  1.9G   0% /dev/shm
tmpfs                                    1.9G   17M  1.9G   1% /run
tmpfs                                    1.9G     0  1.9G   0% /sys/fs/cgroup
10.75.0.3:/home                           40G  4.0G   37G  10% /home
10.75.0.3:/opt/gridware/depots/f705bd34   40G  4.0G   37G  10% /opt/gridware/depots/f705bd34
10.75.0.3:/opt/gridware/etc               40G  4.0G   37G  10% /opt/gridware/etc
10.75.0.3:/opt/gridware/depots/f2e8534d   40G  4.0G   37G  10% /opt/gridware/depots/f2e8534d
tmpfs                                    380M     0  380M   0% /run/user/1000

Copied from original issue: alces-software/clusterware#152

bobwhitelock commented 7 years ago

From @mjtko on August 1, 2016 14:58

I think this happens because we don’t yet trigger/handle any kind of "unmount on purge" event.

We should look into doing that to handle this condition properly.