Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hi Sebastian, Thanks for looking into this. We don't use the Pacemaker and output of the command "crm status" as below: [root@ ~]# crm status -bash: crm: command not found And output of the command "lsof | grep <mount_point>". [root@ ~]# cat /proc/mounts | grep -i drbd [root@ ~]# Regards, Dileep > > 4. Re: DRBD device held open by someone (Sebastian Riemer) > > ------------------------------ > > Message: 4 > Date: Thu, 30 Jun 2011 13:45:31 +0200 > From: Sebastian Riemer <sebastian.riemer at profitbricks.com> > Subject: Re: [DRBD-user] DRBD device held open by someone > To: drbd-user at lists.linbit.com > Message-ID: <4E0C61DB.8040301 at profitbricks.com> > Content-Type: text/plain; charset="iso-8859-1" > > Hi Dileep, > > do you use Pacemaker? If you have a shell opened at the mount point of > the DRBD device Pacemaker can't unmount while stopping the resource. > Check the "crm status" output. > > Please run "lsof | grep <mount_point>" to determine which process keeps > the device opened. > > Regards, > > Sebastian > Linux Kernel Developer > > > On 30/06/11 13:09, Dileep Nayak wrote: > > Hi All, > > > > While the issue "device held open by someone" was observed again today, > we > > found that e2fsck reported "Device or resource busy" > > > > # e2fsck /dev/drbd0 > > e2fsck 1.39 (29-May-2006) > > e2fsck: Device or resource busy while trying to open /dev/drbd0 > > Filesystem mounted or opened exclusively by another program? > > > > > > Earlier we did not observe such "Device or resource busy" output from > > e2fsck. > > > > Please share your thoughts on the same. > > > > Thanks > > Dileep > > > > > > > > O 4. Re: DRBD device held open by someone (Dileep Nayak) > > > > > >> > >> > >> > >> > >> > >> ------------------------------ > >> > >> Message: 4 > >> Date: Wed, 22 Jun 2011 13:22:47 +0530 > >> From: Dileep Nayak <tech.disscuss2011 at gmail.com> > >> Subject: Re: [DRBD-user] DRBD device held open by someone > >> To: drbd-user at lists.linbit.com > >> Message-ID: <BANLkTin2_qavGzsoEvxfgOSUCoMi5aDksA at mail.gmail.com> > >> Content-Type: text/plain; charset="windows-1252" > >> > >> Thanks Lars for your reply. > >> > >> DRBD is used in conjunction with Linux-HA in a High Availability > >> configuration to replicate data between the Active and Standby servers. > >> > >> Our product is running LVM (Logical Volume Manager) on top of DRBD. > >> > >> We are not using the nfs. The last point is not applicable in our case. > >> > >> And please can you explain bit more the below mentioned cases by you and > >> how > >> to detect/verify them when the issue ?Device is held open by someone? is > >> occurred. > >> > >> Regards, > >> > >> Dileep Nayak > >> > >> > >> > >>> 6. Re: DRBD device held open by someone (Lars Ellenberg) > >>> > >>> > >>> > >> Message: 6 > >> Date: Wed, 22 Jun 2011 00:01:49 +0200 > >> From: Lars Ellenberg <lars.ellenberg at linbit.com> > >> Subject: Re: [DRBD-user] DRBD device held open by someone > >> To: drbd-user at lists.linbit.com > >> Message-ID: <20110621220149.GF21892@ > >> > >>> barkeeper1-xen.linbit> > >>> Content-Type: text/plain; charset=iso-8859-1 > >>> > >>> On Tue, Jun 21, 2011 at 10:10:41AM +0530, Dileep Nayak wrote: > >>> > >>>> TThanks Matt for your reply to the issue "*DRBD device held open by > >>>> > >>> someone* > >>> > >>>> ". > >>>> Today the below problem has been seen again. > >>>> > >>>> > >>>> State change failed: (-12) Device is held open by someone > >>>> > >>> *Sometimes it is just udev or equivalent doing a race. > >>> Sometimes it is a unix domain socket or similar still held open > >>> (won't necessary show up in lsof/fuser). > >>> Sometimes it is some device mapper targets not yet taken down. > >>> Sometimes it is nfs locks not being properly released (in time). > >>> > >>> What do you use DRBD for, what sits on top of it?* > >>> > >>> -- > >>> : Lars Ellenberg > >>> : LINBIT | Your Way to High Availability > >>> : DRBD/HA support and consulting http://www.linbit.com > >>> > >>> DRBD? and LINBIT? are registered trademarks of LINBIT, Austria. > >>> __ > >>> please don't Cc me, but send to list -- I'm subscribed > >>> > >>> > >>> ------------------------------ > >>> > >> -------------- next part -------------- > >> An HTML attachment was scrubbed... > >> URL: < > >> > http://lists.linbit.com/pipermail/drbd-user/attachments/20110622/c42d1f20/attachment.html > >> > >>> > >> > >> > > > > > > > > _______________________________________________ > > drbd-user mailing list > > drbd-user at lists.linbit.com > > http://lists.linbit.com/mailman/listinfo/drbd-user > > > > > -- > Sebastian Riemer > Linux Kernel Developer > > ProfitBricks GmbH > Greifswalder Str. 207 > 10405 Berlin, Germany > > Tel.: +49 - 30 - 51 64 09 20 > Fax: +49 - 30 - 51 64 09 22 > Email: sebastian.riemer at profitbricks.com > Web: http://www.profitbricks.com/ > > Sitz der Gesellschaft: Berlin > Registergericht: Amtsgericht Charlottenburg, HRB 125506 B > Gesch?ftsf?hrer: Andreas Gauger, Achim Weiss > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.linbit.com/pipermail/drbd-user/attachments/20110630/61b9184d/attachment-0001.htm > > > > ------------------------------ > > > -------------- next part -------------- An HTML attachment was scrubbed... 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