From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Goodwin Subject: Re: Issue with setting uid/gid/mode in multipath.conf Date: Fri, 21 Aug 2009 12:30:46 +1000 Message-ID: <4A8E06D6.70606@redhat.com> References: <1250796306.746.6.camel@chandra-ubuntu> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1250796306.746.6.camel@chandra-ubuntu> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: sekharan@linux.vnet.ibm.com, device-mapper development List-Id: dm-devel.ids Chandra Seetharaman wrote: > Hi Benjamin, > > I have a small issue with setting the uid/gid/mode with multipath tools. > > I have the following in my /etc/mulitpath.conf file > ------------------ > multipaths { > multipath { > wwid 3600a0b800011a1ee00003f834a3f7a65 > alias dev4 > mode 0666 > uid 1001 > gid 1001 > } > } > ------------------- > > After adding this, I do a "multipath -F" following by "multipath" (or > multipath -F followed by /etc/init.d/multipathd restart), I see the > attributes are set properly on the device. > > I reboot the system, the device is created (under /dev/mapper) but > attributes are not set as defined in the multipath.conf file. > > Have you seen this issue ? > > I am using RHEL 5.3 ga version (kernel and tools). > yes we've recently also seen this issue and can reproduce it without any need for a reboot, see https://bugzilla.redhat.com/518575 It seems to be a racy interaction of some kind between udevd and multipathd. Cheers -- Mark