fsck inadequacies

[Peter Hoskin]

I'm currently in the works of replacing a hdd in my server. fsck refused 
to mount the disk at all, due to a bad sector in the wrong spot. I can 
fsck it over and over again, yet it won't be marked clean.

Found the force option quite useful when mounting the disk, although 
this is considered to be dangerous. mount has the force option with the 
flag -f, or you can specify 'force' under the options column in /etc/fstab

Its worked a week for me, but please remember this is considered dangerous.

Regards,
Peter Hoskin

Mardoc Inc wrote:

> I run a FreeBSD system at a remote site. It costs me over $4000 to 
> visit the site (northern arctic).
> It, along with some other equipment, runs off 2 x 50 kW diesel generators
> which are swapped by a mechanic once per week.  The swap-over takes 
> less than a minute. The computer runs
> off a UPS, which easily holds its charge during the swap.
> But, unlike the other windows systems that run up there, the FreeBSD 
> system seems incredibly
> prone to disk corruption. Often the system will not reboot, and hangs 
> while it asks for a file check.
> I can't do that remotely - it has to be a person.
> I frequently need to run fsck, and that does not always work.  It is hard
> to instruct a diesel mechanic on such matters from such a distance.  
> "fsck -y"
> usually does not work either.
>
> Is there any way I can make the disk a bit less sensitive?  e.g. some 
> clever additional
> command when I mount it in the fstab file which says "don't be too 
> fussy  - boot up even
> if I don't feel that well'.
> It seems someone only needs to sneeeze and it goes into panic mode.  I 
> would happily live with the odd
> corrupt disk track or so if it means I can keep it running and at 
> least be able to access
> it remotely. Please don't advise me to be more careful and get a 
> better power supply etc -
> it simply is not possible. This is a very remote site, the humidity is 
> low, static electricity
> is always a problem.
> thanks
>
> Wayne Hocking
>
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