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Message-ID: <3642314.Bs77jRSGfY@f209> Date: Sun, 24 Mar 2013 10:21:05 +0100 From: Markus <M4rkusXXL@....de> To: lkml <linux-kernel@...r.kernel.org> Subject: Re: hybrid raid1 with trim support Hi! Still the same with 3.8.4 ... anybody? Best regards, Markus Markus schrieb am 12.03.2013: > Hello! > > I created a hybrid raid1 with one ssd and one hdd. Used writemostly and writebehind and put ext4 with discard enabled on it. > This setup worked quite well for the last months (last kernel was 3.7.6). But now as I booted 3.8.2 the hdd was dropped from the raid with: > > md/raid1:md2: Disk failure on sdb1, disabling device. > > md/raid1:md2: Operation continuing on 1 devices. > > Re-adding this drive it will try to resync but the hdd will be dropped short time after. Now I remounted the device without the discard flag and the resync and usage works as before. > After remounting it again with discard enabled the hdd is dropped again. So I think this is the culprit as the hdd does obviously not support TRIM... > > As it worked fine before, I think this is a regression? Or is this an intended change? > > > Thanks, > Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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