From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christophe Varoqui Subject: Re: Temporarily squelching multipathd errors Date: Sat, 19 Jul 2008 10:27:50 +0200 Message-ID: <1216456070.7364.4.camel@plop> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: daniel.keisling@austin.ppdi.com Cc: device-mapper development List-Id: dm-devel.ids > Greetings, > > I perform SAN-based snapshots on OCFS2 and ext3 filesystems under > dm-multipath. Before I snapshot the filesystem, I unmount and delete > the previous night's snapshot LUNs. Doing so causes (correctly) > multipathd to output the following errors: > > > ... > Jul 14 03:16:02 ausracdbd01 multipathd: mpath19: remaining active paths: > 7 > Jul 14 03:16:02 ausracdbd01 multipathd: sdci: tur checker reports path > is down > Jul 14 03:16:02 ausracdbd01 kernel: device-mapper: multipath: Failing > path 69:80. > Jul 14 03:16:02 ausracdbd01 multipathd: sdco: tur checker reports path > is down > .... > > > During this snapshot time, I would like to temporarily turn off the > verbosity of multipathd. Is this possible? It's mostly an annoyance > factor for me because our nightly centralized syslog scan picks up words > like 'fail' and generates a report to the system administrators (which > we then have to ignore for these messages). > Why not just remove the multipath from the multipathd topology before deleting the snapvol ? multipathd -k"del map mpath19" Regards, cvaroqui