[lustre-discuss] lustre 2.5.3 ost not draining

Kurt Strosahl strosahl at jlab.org
Fri Jul 10 05:27:34 PDT 2015

Good Morning,

   Earlier in the week some of the OSTs in the lustre 2.5.3 system I'm managing hit 97% full.  I set them to read only, and yesterday I started an lfs_migrate on one of them, hoping to drain it down overnight.  This morning, after the system spent about 12 hours moving files off of it, I set it to read-write mode.  I expected to see the usage drop, but it has yet to do so... after almost 30minutes in read-write mode.

On the oss I do see where it says it is deleting orphan objects.

Lustre: lustre2-OST0015: deleting orphan objects from 0x0:119789 to 0x0:119809


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