From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Justin Piszcz" Subject: RE: 3.12: raid-1 mismatch_cnt question Date: Wed, 13 Nov 2013 17:10:00 -0500 Message-ID: <000001cee0bd$1979da60$4c6d8f20$@lucidpixels.com> References: <000f01ced948$2fbab140$8f3013c0$@lucidpixels.com> <527E8B74.70301@shiftmail.org> <008301cedd9d$fc254cf0$f46fe6d0$@lucidpixels.com> <527F7FF5.3000002@shiftmail.org> <000301cedec0$1fa72d60$5ef58820$@lucidpixels.com> <5280BA1E.6060604@shiftmail.org> <5281F53D.4060703@shiftmail.org> <528202ED.1040307@fastmail.fm> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Return-path: In-Reply-To: <528202ED.1040307@fastmail.fm> Content-Language: en-us Sender: linux-raid-owner@vger.kernel.org To: 'Bernd Schubert' , 'joystick' Cc: 'linux-raid' List-Id: linux-raid.ids -----Original Message----- From: Bernd Schubert [mailto:bernd.schubert@fastmail.fm] Sent: Tuesday, November 12, 2013 5:29 AM To: joystick; Justin Piszcz Cc: linux-raid Subject: Re: 3.12: raid-1 mismatch_cnt question joystick's recommendations: >> - wait for mismatch_cnt reach 2000 at least (the more, the better), then .. [ .. ] $ cat /sys/devices/virtual/block/md1/md/mismatch_cnt 254336 [ .. ] If you have available disk space, you might run ql-fstest (possibly in combination) with the above method. https://bitbucket.org/aakef/ql-fstest Right now it does not support yet to restart it and to verify existing files, but I'm going to add this, either this evening or on Thursday. [ .. ] I attempted to test both here: http://home.comcast.net/~jpiszcz/20131113/joystick_cmds.txt The --re-add did not work btw. Justin.