EXT3-fs unexpected failure msg ?

[Damian Menscher]

On Mon, 17 Apr 2006, Andreas Dilger wrote:
>
> You really, really, really need to mount your filesystem with
> "-o errors=remount-ro", at least to prevent filesystem corruption.
> I'm not sure if this is enough to prevent corruption in the case
> of your RAID disconnects (if it doesn't generate errors up to the
> filesystem, but still discards writes), but it is at least a minimum
> requirement.

Since this was so strongly-worded, I just did a random spot-check of 
some of our filesystems (RHEL4) and discovered they all have:

    Errors behavior:          Continue

in the superblock (and mount apparently takes that option).  This makes 
me curious: if it's so obvious that it should remount-ro on errors, why 
is the default (on RHEL4, at least) to continue?

Damian Menscher
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