Re: 9 second recovery when re-adding a drive that got kicked out?

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On Tue, Jun 20, 2017 at 11:27:45AM -0700, Marc MERLIN wrote:
> On Tue, Jun 06, 2017 at 01:57:27PM +1000, NeilBrown wrote:
> > Had you run "mdadm --examine-bitmap /dev/sdk1" before the re-add, it
> > would have told you how many bits were set at that time.
> > 
> > That "x/y pages" information never should have appeared in /proc/mdstat
> > - it is really just of interest to developers.  But it is there now, so
> > removing it is awkward.
> 
> So, I got the problem again, re-added a drive that had just been missing
> for maybe 2mn, and this time I'm getting a very long (but not full)
> recovery:
 
Mmmh, this is puzzling.

The progress meter was wrong, it recovered in 3mn:
Jun 20 11:19:28 gargamel kernel: [  916.007017] md: recovery of RAID array md8
Jun 20 11:22:41 gargamel kernel: [ 1108.395580] md: md8: recovery done.

Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/  
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