On Thu, 05 Apr 2012 14:20:53 -0400 Phillip Susi <psusi@xxxxxxxxxx> wrote: > On 4/4/2012 9:13 PM, NeilBrown wrote: > > If the array was activated read-only, that suggests that 'mdmon' didn't run. > > mdmon is a daemon which monitors the array and updates the metadata as > > needed. until it is running it is not safe for the array to be writable. > > However it should be started automatically by mdadm. > > That explains it... mdmon does not appear to have been added to the > Ubuntu package. oops... :-( > > > How are you attempting to start the array? > > mdadm --activate --scan > I suspect you mean "mdadm --assemble --scan", but yes: that should work. NeilBrown
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