[linux-lvm] Error - "device-mapper: request is larger than bl ock size b_size"
ERG at e-r-solutions.com
ERG at e-r-solutions.com
Thu Aug 22 20:17:01 UTC 2002
>> device-mapper: request is larger than block size b_size (2048), block
size
>> (512)
>Sorry about this, it's an overly verbose sanity check that I put in
>when we were having problems with xfs writing misaligned blocks. I've
>knocked it out of the latest bitkeeper repository...
[snip]
>Alternatively just knock out this if statement from dm.c:
>
> /*
> * Sanity checks.
> */
> if (bh->b_size > block_size)
> DMERR("request is larger than block size "
> "b_size (%d), block size (%d)",
> bh->b_size, block_size);
>
>
>If you are using xfs please be aware that you will need to use the new
>journal log format to avoid misalignment problems (search this list
>for previous posts).
If I get the XFS alignment ironed out, will I cease seeing these
device-mapper warnings?
In other words, can I use those warnings as a test of my log alignment
correctness?
Thank you,
Manuel Gomez
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