[lustre-discuss] MDT 100% full

Andrus, Brian Contractor bdandrus at nps.edu
Tue Jul 26 17:45:55 PDT 2016


Ok, I thought 100GB would be sufficient for an MDT.
I have 2 MDTs as well, BUT...

MDT0 is 100% full and now I cannot write anything to my lustre filesystem.
The MDT is on a ZFS backing filesystem.

So, what is the proper way to grow my MDT using ZFS? Do I need to shut the filesystem down completely? Can I just add a disk or space to the pool and Lustre will see it?

Any advice or direction is appreciated.

Brian Andrus
ITACS/Research Computing
Naval Postgraduate School
Monterey, California
voice: 831-656-6238

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