From mboxrd@z Thu Jan 1 00:00:00 1970 From: Miles Fidelman Subject: Re: 3TB drives failure rate (summary) Date: Thu, 01 Nov 2012 11:13:54 -0400 Message-ID: <509291B2.5000907@meetinghouse.net> References: <11510711257.20121028131527@oudeis.org> <508D61A1.7020106@wildgooses.com> <508D65CF.1080904@gmail.com> <508DADC3.4080104@shiftmail.org> <508DB08D.20002@meetinghouse.net> <508DC6E9.8070001@shiftmail.org> <508DC922.7040400@meetinghouse.net> <20121029102919.1134a797@natsu> <508E3626.8080404@hesbynett.no> <508E7E68.1030202@turmel.org> <1494377384.20121031005457@oudeis.org> <50911AFF.9020707@turmel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <50911AFF.9020707@turmel.org> Sender: linux-raid-owner@vger.kernel.org Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Phil Turmel wrote: > I strongly encourage you to run "smartctl -l scterc /dev/sdX" for each > of your drives. For any drive that warns that it doesn't support SCT > ERC, set the controller device timeout to 180 like so: > > echo 180 >/sys/block/sdX/device/timeout > > If the report says read or write ERC is disabled, run "smartctl -l > scterc,70,70 /dev/sdX" to set it to 7.0 seconds. > > You then set up a boot-time script to do these adjustments at every restart. > Sounds like a very bad idea if your drive is part of a RAID array. -- In theory, there is no difference between theory and practice. In practice, there is. .... Yogi Berra