[Lustre-discuss] how to add force_over_8tb to MDS
Theodore Omtzigt
theo at stillwater-sc.com
Thu Jul 14 10:15:56 PDT 2011
I configured a Lustre file system on a collection of storage servers
that have 12TB raw devices. I configured a combined MGS/MDS with the
default configuration. On the OSTs however I added the force_over_8tb to
the mountfsoptions.
Two part question:
1- do I need to set that parameter on the MGS/MDS server as well
2- if yes, how do I properly add this parameter on this running Lustre
file system (100TB on 9 storage servers)
I can't resolve the ambiguity in the documentation as I can't find a
good explanation of the configuration log mechanism that is being
referenced in the man pages. The fact that the doc for --writeconf
states "This is very dangerous", I am hesitant to pull the trigger as
there is 60TB of data on this file system that I rather not lose.
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