On Sat, 2013-08-31 at 18:03 -0600, Chris Murphy wrote: > On Aug 31, 2013, at 5:55 PM, Steven Post <redalert.commander@xxxxxxxxx> wrote: > > > On Sat, 2013-08-31 at 11:42 -0600, Chris Murphy wrote: > >> > >> Yes. It might take a few minutes after the chunks are reallocated for the device to be removed from the volume. I've had some cases where even a reboot was needed for the information in fi sh to refresh. > > > > I see, so that might be normal behaviour. > > No, I think it's expected for deleted devices to not appear in the volume listing anymore, but with older kernels I had that experience. I haven't tried it recently with newer kernels. I might have phrased that a bit incorrectly, with 'normal behaviour' I meant it was known to do that and not cause major problems. Of course I would expect the entry to just disappear. I'll let you know the result of the 'device delete' operation on the second machine (3.10.7 kernel). Back on the 3.2 kernel, the "filesystem show" command still showed the removed device, but still with less used space that the others after the balance. Shutdown + physical removal + boot didn't produce any error, since this array is used as the root filesystem I think I would have noticed a serious problem by now. I successfully added the 1 TB drive to the array (after partitioning). So it seems it's just the output of the 'filesystem show' command that is lagging behind, even after a reboot and a 20 hour idle period. > > > > > As an aside, I'd rather not recreate the arrays if it can be done > > without recreating. > > It should work. But it's an experimental file system. I'd at least make a backup if you're going to do this with the device add/remove method. Naturally, all important files have a backup, but for the rest of the volume I can live with the fact that it would be lost. Also if every one created a new filesystem instead of using device add/delete, this code wouldn't get much testing ;) Best regards, Steven
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