Working with a set of test systems. 4 OST machines / 1 MDT MGT all running 2.6.32-279.2.1.el6_lustre.gc46c389.x86_64 kernel on CentOS 6.3
The systems lost power due to a UFU. When they were brought back up the IP for the MDT changed. In order to get them working I did the steps listed on: http://wiki.lustre.org/manual/LustreManual20_HTML/LustreMaintenance.html The MDT reported everyone up and happy. ‘lctl dl’ shows what I would suspect is ok. Mounting a client seems to work in that pre-existing files are folders are found. *but* when I try to ‘touch tmp’ I get ‘touch: setting times of ‘tmp’ : no such file or directory When I look at ‘dmesg’ on the MDT machine I see these errors: LustreError: 2937:0:(lov_qos.c:721:alloc_specific()) Start index 0 not found in pool '' There weren’t any pools setup prior to the reboot / rebuild. Did I miss a step in fixing things? Is there something I can do to fix this now? Im preparing to deploy a much larger setup so Im hoping to get the various processes understood soon.
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