On Sat, 2009-03-21 at 05:26 -0700, Mag Gam wrote: > We have been experiecing problems recently, where our Lustre > filesystem is becoming read-only (we can't even see our data). > > For example when I invoke 'ls' or 'find' > > ls: .: Read-only file system > find: cannot get current directory: Read-only file system
This usually happens because some error on the servers causes lustre to turn the media read-only in an attempt to prevent corruption. The underlying cause is usually hardware related. Check the lustre servers to see which device has been made read-only and then check your storage to see what situations might have caused it. b.
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