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

Lars Ellenberg Lars.Ellenberg at linbit.com
Tue Jul 13 18:40:14 CEST 2004

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


/ 2004-07-13 10:49:33 -0500
\ John Lange:
> I have a drbd device running on top of a software raid 0 device and I am
> getting the kernel message about access beyond the end of device.
> 
> Jul 13 10:24:38 castor kernel: attempt to access beyond end of device
> Jul 13 10:24:38 castor kernel: 2b:00: rw=0, want=111542280, limit=111416992
> 
> The drbd.conf indicates that disk-size "is probably best rounded _down_
> to the next multiple of 4". Accordingly I have the following setting:
> 
> disk-size = 111416992k
> 
> (yes a 107G large device)
> 
> I came up with this number by mounting the raid 0 device normally and
> doing:
> 
> c# df -hk
> Filesystem           1K-blocks      Used Available Use% Mounted on
> /dev/md3             111416992   1746544 104010756   2% /opt

this is the amount of "space within the file system".
this is not at all the _device_ size.
this is a very important difference!

try "fdisk -s /dev/md3"

	lge



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