Main File server full

[Predrag Punosevac]

Dear Autonians,

Our main file server is full and I no longer can take the snapshots of
your home directories. This doesn't affect members of Neill group who
have their own file server. 


ot at gaia] /var/log# head -10 messages
Mar 23 13:00:00 gaia newsyslog[71545]: logfile turned over due to size>100K
Mar 23 13:00:08 gaia autosnap.py: [tools.autosnap:58] Popen()ing: /sbin/zfs snapshot -r -o freenas:state=NEW zfsauton/home at auto-20180323.1300-2w
Mar 23 13:00:09 gaia autosnap.py: [tools.autosnap:243] Failed to create snapshot 'zfsauton/home at auto-20180323.1300-2w': cannot create snapshot
'zfsauton/home at auto-20180323.1300-2w': out of space no snapshots were created

The HDDs were purchased in November but hesitated to take the plunge
until I was 100% about the new design. Unfortunately this can't wait
any longer. The plan of the action is as follows.

1. Over the weekend I will verify quality of data and project pseudo
file-systems (datasets in ZFS lingo) replications.

2. Assuming that those replications are OK I will make them alive on
Monday. Some down time is unavoidable. I hope to keep it within 2h. 

3. Once we are happy with live copies of project and data pseudo-file
systems those will be destroyed on the main file server in order to make
additional space for the snapshots of your home folders.

4. That might buy us time (at least a 1-2 weeks). 

5. Once home directories are properly replicated on the backup server
they will be made alive. 

6. Main file will be rebuild with new HDDs. Old HDDs will not be erased
and we will still be able to put that ZFS pool back on line if the
things are not working the way we want.

7. In new setup each home directory will be separate data set and for
the first time we will have 300GB quota. You will also be able to access
your own snapshots without asking me for the files. 

Best,
Predrag