Ext2/3 and too many badblocks?

[Kaspar Fischer <fischerk@inf.ethz.ch>]

Hi everybody,

I have recently heard strange noises from one of my IDE harddrives
and have then run

  fsck.ext2 -c -c /dev/hdb1

so that badblocks is executed. From the output in syslog I see that
it has found 402 bad blocks, but only some 27 are listed in the
filesystem:

  dumpe2fs -b /dev/hdb1

Is this normal? Are 402 bad blocks too many for ext2/3?

I am afraid that these bad blocks will be used again (as they are
not listed as marked by dumpe2fs). And this would be bad!

Many thanks for your help,
Kaspar