[DRBD-user] Re: kernel oops drbd 8.0_pre2 on Fedora Core 5 and RHEL4

Michael Paesold mpaesold at gmx.at
Thu Apr 20 14:33:15 CEST 2006

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Ard van Breemen wrote:
> drbd bef b->bm=ffffc200005ba000,page_nr=2947
> drbd aft b->bm=ffffc200005ba000,page_nr=2947
> drbd bef b->bm=ffffc200005ba000,page_nr=2948
> drbd aft b->bm=ffffc200005ba000,page_nr=2948
> drbd0: reading of bitmap took 2374 jiffies
> drbd0: recounting of set bits took additional 2 jiffies
> drbd0: 368 GB marked out-of-sync by on disk bit-map.
> drbd0: No usable activity log found.
> drbd0: disk( Attaching -> Inconsistent ) 
> drbd0: BUG! md_sync_timer expired! Worker calls drbd_md_sync().
> drbd0: Writing meta data super block now.
> drbd0: BUG! md_sync_timer expired! Worker calls drbd_md_sync().

What is this last log line about? I just tried to resize a drbd devices
(after having extended the underlying LVM device) and got this:

Apr 20 14:14:31 xen01 kernel: drbd1: Moving meta-data.
Apr 20 14:14:31 xen01 kernel: drbd1: writing of bitmap took 10 jiffies
Apr 20 14:14:31 xen01 kernel: drbd1: 0 KB marked out-of-sync by on disk bit-map.
Apr 20 14:14:31 xen01 kernel: drbd1: 0 KB now marked out-of-sync by on disk bit-map.
Apr 20 14:14:31 xen01 kernel: drbd1: Writing meta data super block now.
Apr 20 14:14:31 xen01 kernel: drbd1: drbd_bm_resize called with capacity == 35650424
Apr 20 14:14:31 xen01 kernel: drbd1: resync bitmap: bits=4456303 words=139260
Apr 20 14:14:31 xen01 kernel: drbd1: size = 16 GB (17825212 KB)
Apr 20 14:14:31 xen01 kernel: drbd1: writing of bitmap took 1 jiffies
Apr 20 14:14:31 xen01 kernel: drbd1: 2047 MB marked out-of-sync by on disk bit-map.
Apr 20 14:14:31 xen01 kernel: drbd1: 2097088 KB now marked out-of-sync by on disk bit-map.
Apr 20 14:14:36 xen01 kernel: drbd1: BUG! md_sync_timer expired! Worker calls drbd_md_sync().
Apr 20 14:14:36 xen01 kernel: drbd1: Writing meta data super block now.

Otherwise it worked fine, I could resize the (ext3) filesystem online.

Best Regards,
Michael Paesold



More information about the drbd-user mailing list