On Tue, 17 Dec 2013 20:00:19 +0100 Piergiorgio Sartor <piergiorgio.sartor@xxxxxxxx> wrote: > Hi all, > > I started the process of changing the chunk > size of a RAID-5 array (5 HDDs). > > Unfortunately, I unwisely choose a quite slow > device for the backup file. > > Is it possible, without stopping the array, to > stop the "reshape", move the backup file to a > faster place and restart the process? You might be able to kill the mdadm which over-sees the reshape, move the file, then use --grow --continue to continue the reshape. But I've never tested this and suspect that something would go wrong. Stopping, moving, and re-assembling should work. Being patient also works, but can be very difficult. NeilBrown
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