Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
When ==> During normal operation What's the IO stack below DRBD ==> 4 Disks in JBOD Kernel upgrade is not possible now ... but at the same time its not too old ( v.2.6.32-431.20.3) On Thu, Oct 15, 2015 at 2:34 PM, Lars Ellenberg <lars.ellenberg at linbit.com> wrote: > On Thu, Oct 15, 2015 at 12:32:11PM +0300, Ammar Sheikh Saleh wrote: > > Hi all, > > > > I have one cluster with 2 nodes in active-active - master/slave setup > > > > I see the following error messages in the system logs: > > *when*. > > After a hard crash? > After a simulated Crash? > After a switchover? > After a failover? > During normal operation? > > What's the IO stack below DRBD? > > > Jan 5 11:07:23 lws1h1 kernel: EXT4-fs error (device drbd1): > ext4_mb_generate_buddy: EXT4-fs: group 3785: 27507 blocks in bitmap, 27576 > in gd > > Jan 5 11:07:53 lws1h1 kernel: EXT4-fs error (device drbd1): > ext4_mb_generate_buddy: EXT4-fs: group 2437: 9219 blocks in bitmap, 32546 > in gd > > Jan 5 11:07:53 lws1h1 kernel: EXT4-fs error (device drbd1): > ext4_mb_generate_buddy: EXT4-fs: group 2438: 9075 blocks in bitmap, 32760 > in gd > > Jan 5 11:07:53 lws1h1 kernel: EXT4-fs error (device drbd1): > ext4_mb_generate_buddy: EXT4-fs: group 2442: 9078 blocks in bitmap, 32768 > in gd > > Jan 5 20:18:27 lws1h1 kernel: JBD: Spotted dirty metadata buffer (dev = > drbd1, blocknr = 0). There's a risk of filesystem corruption in case of > system crash. > > Jan 5 22:02:18 lws1h1 kernel: EXT4-fs error (device drbd1): > ext4_mb_generate_buddy: EXT4-fs: group 3795: 32532 blocks in bitmap, 29780 > in gd > > Jan 5 22:02:19 lws1h1 kernel: JBD: Spotted dirty metadata buffer (dev = > drbd1, blocknr = 0). There's a risk of filesystem corruption in case of > system crash. > > > > What is the appropriate action to fix this issue > > Did you even google for the message? > "JBD: Spotted dirty metadata buffer" turns up several bugzillas from > 2010 and 2012, suggesting kernel upgrade would help. > > > -- > : Lars Ellenberg > : http://www.LINBIT.com | Your Way to High Availability > : DRBD, Linux-HA and Pacemaker support and consulting > > DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. > __ > please don't Cc me, but send to list -- I'm subscribed > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20151015/2eb0bd32/attachment.htm>