From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: RAID-10 keeps aborting Date: Sun, 02 Jun 2013 23:06:59 -0700 Message-ID: <51AC3283.4000403@zytor.com> References: <51AC1440.7020505@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Dan Williams Cc: linux-raid List-Id: linux-raid.ids On 06/02/2013 10:47 PM, Dan Williams wrote: > > One hack to prove this may be to explicitly disable write_same before > the array is assembled: > > for i in /sys/class/scsi_disk/*/max_write_same_blocks; do echo 0 > $i; done > > If this works then maybe md needs to be tolerant of write_same > failures since the block layer will simply retry with zeroes. > Trying that (array is already assembled but is currently functional.) Let's hope it works. -hpa