[Bug 1000355] Re: drbd fence-peer breaks when using kernel 2.6.32-41
Per comment https://bugs.launchpad.net/ubuntu/+source/linux/+bug/963685/comments/13 this bug exists only in 10.04, since drbd module is shipped as a separate package. ** Changed in: linux (Ubuntu) Status: Confirmed = Invalid -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to drbd8 in Ubuntu. https://bugs.launchpad.net/bugs/1000355 Title: [SRU] drbd fence-peer breaks when using kernel 2.6.32-41 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/drbd8/+bug/1000355/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1000355] Re: drbd fence-peer breaks when using kernel 2.6.32-41
** Changed in: drbd8 (Ubuntu) Importance: Undecided = Medium ** Patch added: Upstream solution for the problem https://bugs.launchpad.net/ubuntu/+source/drbd8/+bug/1000355/+attachment/3150177/+files/lp-1000355.debdiff ** Summary changed: - drbd fence-peer breaks when using kernel 2.6.32-41 + [SRU] drbd fence-peer breaks when using kernel 2.6.32-41 ** Description changed: + SRU Justification + + Upstream commit: + + e6cbc43 - + http://git.drbd.org/gitweb.cgi?p=drbd-8.3.git;a=commitdiff;h=e6cbc43 + + Description: + + Latest 10.04 kernel (2.6.32-41) fixed and issue described in bug 963685. + Cause of this change, drbd module, build with dkms, regressed and can + not be used as intended. + + Notes (original report): + Ubuntu 10.04 Lucid with 2.6.32-41 kernel and drbd8 Kernel 2.6.32-41 fixed a consistency issue around UMH_WAIT_PROC in this bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/963685 This causes the drbd fencing script's exit codes to be incorrectly interpreted which then breaks the drbd fencing: This also affects linux source in all distributions after Lucid with the applicable kernel versions patched in bug 963685 above since the drbd kernel module is mainlined in those more recent kernel versions To replicate: Have fencing enabled in drbd config: In handlers section: fence-peer /usr/lib/drbd/crm-fence-peer.sh In the disk section: fencing resource-only; Have both drbd nodes uptodate with one primary one secondary Make the fence-peer get executed. I did this by: Having drbd under pacemaker control. Both pacemaker nodes were online and in-sync. Drbd in primary on node 1. Put node 1 in standby. Fence-peer will get executed. Fence handler will report fence-peer exited with 0 (broken) - such as this: May 15 09:45:17 kernel: [56645.420714] block drbd0: helper command: /sbin/drbdadm fence-peer minor-0 May 15 09:45:17 kernel: [56645.420920] block drbd0: helper command: /sbin/drbdadm fence-peer minor-0 exit code 0 (0x0) May 15 09:45:17 kernel: [56645.420925] block drbd0: fence-peer helper broken, returned 0 If you log debug output of fence-peer script (crm-fence-peer.sh) when executed it exits 4 not the kernel reported 0. This commit in drbd git should fix this behavior: http://git.drbd.org/gitweb.cgi?p=drbd-8.3.git;a=commitdiff;h=e6cbc43 This will cause complete failure of a drbd setup using fencing to auto- recover or continue without manual intervention and repair. ** Changed in: drbd8 (Ubuntu) Assignee: (unassigned) = Ante Karamatić (ivoks) ** Description changed: SRU Justification Upstream commit: e6cbc43 - http://git.drbd.org/gitweb.cgi?p=drbd-8.3.git;a=commitdiff;h=e6cbc43 Description: - Latest 10.04 kernel (2.6.32-41) fixed and issue described in bug 963685. - Cause of this change, drbd module, build with dkms, regressed and can + Latest 10.04 kernel (2.6.32-41) fixed an issue described in bug 963685. + Cause of this change, drbd module, built with dkms, regressed and can not be used as intended. Notes (original report): Ubuntu 10.04 Lucid with 2.6.32-41 kernel and drbd8 Kernel 2.6.32-41 fixed a consistency issue around UMH_WAIT_PROC in this bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/963685 This causes the drbd fencing script's exit codes to be incorrectly interpreted which then breaks the drbd fencing: This also affects linux source in all distributions after Lucid with the applicable kernel versions patched in bug 963685 above since the drbd kernel module is mainlined in those more recent kernel versions To replicate: Have fencing enabled in drbd config: In handlers section: fence-peer /usr/lib/drbd/crm-fence-peer.sh In the disk section: fencing resource-only; Have both drbd nodes uptodate with one primary one secondary Make the fence-peer get executed. I did this by: Having drbd under pacemaker control. Both pacemaker nodes were online and in-sync. Drbd in primary on node 1. Put node 1 in standby. Fence-peer will get executed. Fence handler will report fence-peer exited with 0 (broken) - such as this: May 15 09:45:17 kernel: [56645.420714] block drbd0: helper command: /sbin/drbdadm fence-peer minor-0 May 15 09:45:17 kernel: [56645.420920] block drbd0: helper command: /sbin/drbdadm fence-peer minor-0 exit code 0 (0x0) May 15 09:45:17 kernel: [56645.420925] block drbd0: fence-peer helper broken, returned 0 If you log debug output of fence-peer script (crm-fence-peer.sh) when executed it exits 4 not the kernel reported 0. This commit in drbd git should fix this behavior: http://git.drbd.org/gitweb.cgi?p=drbd-8.3.git;a=commitdiff;h=e6cbc43 This will cause complete failure of a drbd setup using fencing to auto- recover or continue without manual intervention and repair. -- You received this bug
[Bug 1000355] Re: drbd fence-peer breaks when using kernel 2.6.32-41
Unfortunately unable to collect such log files due to the nature of the bug and changes since to bring systems back to working order. I might have further info I could give - if there are specific questions I will try to answer. ** Changed in: linux (Ubuntu) Status: Incomplete = Confirmed -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to drbd8 in Ubuntu. https://bugs.launchpad.net/bugs/1000355 Title: drbd fence-peer breaks when using kernel 2.6.32-41 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/drbd8/+bug/1000355/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1000355] Re: drbd fence-peer breaks when using kernel 2.6.32-41
** Changed in: linux (Ubuntu) Importance: Undecided = Medium ** Tags added: lucid regression-update -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to drbd8 in Ubuntu. https://bugs.launchpad.net/bugs/1000355 Title: drbd fence-peer breaks when using kernel 2.6.32-41 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/drbd8/+bug/1000355/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1000355] Re: drbd fence-peer breaks when using kernel 2.6.32-41
** Description changed: Ubuntu 10.04 Lucid with 2.6.32-41 kernel and drbd8 Kernel 2.6.32-41 fixed a consistency issue around UMH_WAIT_PROC in this bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/963685 This causes the drbd fencing script's exit codes to be incorrectly interpreted which then breaks the drbd fencing: + + This also affects linux source in all distributions after Lucid + with the applicable kernel versions patched in bug 963685 above since + the drbd kernel module is mainlined in those more recent kernel versions + To replicate: Have fencing enabled in drbd config: In handlers section: fence-peer /usr/lib/drbd/crm-fence-peer.sh In the disk section: fencing resource-only; Have both drbd nodes uptodate with one primary one secondary Make the fence-peer get executed. I did this by: Having drbd under pacemaker control. Both pacemaker nodes were online and in-sync. Drbd in primary on node 1. Put node 1 in standby. Fence-peer will get executed. Fence handler will report fence-peer exited with 0 (broken) - such as this: May 15 09:45:17 kernel: [56645.420714] block drbd0: helper command: /sbin/drbdadm fence-peer minor-0 May 15 09:45:17 kernel: [56645.420920] block drbd0: helper command: /sbin/drbdadm fence-peer minor-0 exit code 0 (0x0) May 15 09:45:17 kernel: [56645.420925] block drbd0: fence-peer helper broken, returned 0 If you log debug output of fence-peer script (crm-fence-peer.sh) when executed it exits 4 not the kernel reported 0. - This commit in drbd git should fix this behavior: http://git.drbd.org/gitweb.cgi?p=drbd-8.3.git;a=commitdiff;h=e6cbc43 - - This will cause complete failure of a drbd setup using fencing to auto-recover or continue without manual intervention and repair. + This will cause complete failure of a drbd setup using fencing to auto- + recover or continue without manual intervention and repair. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to drbd8 in Ubuntu. https://bugs.launchpad.net/bugs/1000355 Title: drbd fence-peer breaks when using kernel 2.6.32-41 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/drbd8/+bug/1000355/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1000355] Re: drbd fence-peer breaks when using kernel 2.6.32-41
** Changed in: drbd8 (Ubuntu) Status: New = Confirmed -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to drbd8 in Ubuntu. https://bugs.launchpad.net/bugs/1000355 Title: drbd fence-peer breaks when using kernel 2.6.32-41 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/drbd8/+bug/1000355/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
