[DRBD-user] DRBD attempts to access beyond end of device

Todd Denniston Todd.Denniston at ssa.crane.navy.mil
Thu Feb 28 23:09:42 CET 2008

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

Lars Ellenberg wrote, On 02/28/2008 01:56 PM:
> On Thu, Feb 28, 2008 at 12:29:05PM -0500, Todd Denniston wrote:
>> Nate Seif wrote, On 02/28/2008 11:12 AM:
>>>>>>> Feb 26 08:21:46 <hostname> attempt to access beyond end of device
>>>>>>> Feb 26 08:21:46 <hostname> drbd0: rw=1, want=211992584, limit=211986944
>>>>>>> Feb 26 08:21:46 <hostname> Buffer I/O error on device drbd0, logical block 26499072
>> please run
>> tune2fs -l /dev/drbd0 |
>>      grep -e ^Block.count: -e ^Block.size:

>> # grep -e drbd0 /proc/partitions
>>  147     0  105993472 drbd0

> please,
> all of you who have this "access beyond end of device" problem with
> some file system on drbd with internal meta data.
> I did this ascii art several times meanwhile, but here is it again:

S_o_ :)

when are you, Alex and Florian going to get this information [1] into the FAQ 
as you suggested a while back[2], so we might see an end to messages like 
these[3], or at least be able to answer them with "look at 
wiki.linux-ha.org/DRBD/FAQ#AccessBeyondEndOfDevice and then call back"? :)

Just stirring the pot, because that is all the time I have. :)

[1] http://lists.linbit.com/pipermail/drbd-user/2008-February/008731.html
[2] http://lists.linbit.com/pipermail/drbd-user/2007-October/007630.html
[3] http://lists.linbit.com/pipermail/drbd-user/2008-February/008723.html

Todd Denniston
Crane Division, Naval Surface Warfare Center (NSWC Crane)
Harnessing the Power of Technology for the Warfighter

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