[DRBD-user] input/output error in drbd after deleting files

[Lars Ellenberg]

/ 2006-06-08 09:16:49 -0400
\ lu.guanqing at connexim.ca:
> Hi,
> 
>    We have run drbd between two nodes with RHEL3.3 OS since last
> November. Yesterday, we had input/output error: nobody, even not root,
> could write into the filesystem. The problem was corrected by
> shutdowning the drbd service and filesystem checking. When I did the
> fsck, there were a lot of inode errors. I remember that we deleted a lot
> of log files in the drbd filesystem two weeks ago. 
> 
>    My question are: 
> 1. Is deleting a lot of files the cause of input/output error in the
> drbd filesystem?

["in the file system on the drbd" drbd is NOT a file system...]

this is most likely not a problem of drbd,
but may be a problem of your hardware (e.g. bits flipflopping on DMA access,
or bad memory; I have seen both numerous times)
or kernel version (e.g.  the infamous bio_clone bug...)

> 2. is it a regular process to do an fsck after deleting a lot of files
> in the drbd filesystem?

no.

-- 
: Lars Ellenberg                                  Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH            Fax +43-1-8178292-82 :
: Schoenbrunner Str. 244, A-1120 Vienna/Europe   http://www.linbit.com :
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