[tech] Re: broken/down apache?

[David Manchester]

> On Fri, Jan 14, 2000 at 04:48:18PM +0800, Grahame Bowland wrote:
> > /services should have mounted on bootup - its in fstab. Strange - what
> > happens if mermaid comes up before mola and can't mount /services or
> > /home - does it keep trying until mola comes up or just give up?
> 
> Well, mola _does_ take longer to start up - it's a slower machine,
> running a bigger OS, in less RAM, with plenty of slow disk space to fsck.

Yes. Time to move NFS to scarlet.
100Mb ethernet and XFS.

> Meanwhile, if other machines can't mount it, they eventually have to
> time out. If we used the "bg" mount option, they could keep retrying in
> the background, which might be good.
> If they're already mounted and the NFS server goes down for a while,
> then by default they retry forever. (the alternative is a "soft mount",
> which will return an I/O error after retries and timeouts)

Automount!

> > Is there some way to have it periodically check that /home and /services
> > are mounted and remount them if necessary?

Automount!

> As Anil said - cron. Moray (and now mooneye) have this in their root
> crontab ;
> */15 * * * * /bin/mount -a -t nfs > /dev/null
> 
> I'm in two minds as to whether it's a good idea - things could very
> confusing if you unmount something for a reason and it comes back.
> 
> Another approach might be to use the kernel automounter.

Yes :) The right way(TM)

Cheers
/dave
-- 
/  David Manchester <mustang at ucc.gu.uwa.edu.au>  [TDH]  Netware/UNIX droid. \
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\as an argument for compulsory sterilisation." [TISM], `How Do I Love Thee?'/