Re: NFS mount on AIX 5.2

From: Steve Bassler (sbassle_at_alleghenyenergy.com)
Date: 12/05/03 

Date: 5 Dec 2003 10:34:50 -0800

Steve Bassler <bassmstr.delete.this.to.reply@adelphia.net> wrote in message news:<oprzovjgn6w038d5@news>...
> On Thu, 4 Dec 2003 08:20:16 +0100, Andreas Schulze <b79xan@gmx.de> wrote:
>
> > "Steve Bassler" <bassmstr.delete.this.to.reply@adelphia.net> schrieb im
> > Newsbeitrag news:oprzmwddcgw038d5@news...
> >> On Wed, 3 Dec 2003 16:19:56 +0100, Andreas Schulze <b79xan@gmx.de>
> >> wrote:
> >>
> >> > "Steve Bassler" <sbassle@alleghenyenergy.com> schrieb im Newsbeitrag
> >> > news:9f303a71.0312021054.352b9715@posting.google.com...
> >> >
> >> >> I have just installed my first AIX 5.2 system. I have an NFS-mounted
> >> >> common directory which I would like to mount at system boot time.
> The
> >> >> /etc/filesystems entry reads:
> >> >>
> >> >> /Common:
> >> >> dev = "/Common"
> >> >> vfs = nfs
> >> >> nodename = NFSServer
> >> >> mount = true
> >> >> options = ro,bg,soft,intr,retry=5,retrans=3
> >> >> account = false
> >> >>
> >> >> This is exactly what we use for AIX 4.3.3 and 5.1 and it works fine,
> >> >> but I cannot get it to work with 5.2. When I boot, the filesystem
> >> >> does not mount. After the boot, I can mount it manually with just a
> >> >> "mount /Common" command.
> >> >>
> >> >> Am I doing something wrong? Did AIX 5.2 change something?
> >> >>
> >> >> Thanks,
> >> >> Steve
> >> >>
> >> >
> >> > Hallo Steve,
> >> >
> >> > try
> >> > # alog -ot boot
> >> > to see what is happening during boot.
> >> >
> >> > Regards,
> >> > Andreas
> >> >
> >>
> >> Hello Andreas,
> >>
> >> I did, and it simply says something like "Performing all automatic
> >> mounts." (I don't have it here in front of me, so I'm not sure of the
> >> exact wording.) But it showed nothing unusual at all.
> >>
> >> Thanks,
> >> Steve
> >
> > Hallo Steve,
> >
> > I see. Question: why do you limit the number of retries for the mount to
> > five? Default is 10000 IIRC. So if there should be some sort of timing
> > problem you might simply try remove the limitation on retries first and
> > watch what's happening then. With intr and bg set, this should not
> > result in problems. If increasing the number of retries works (i.e. the
> > fs is mounted) you are on the right track. Then you might reduce the
> > value to 5000, then 2500 ... you are getting the idea.
> >
> > HTH,
> > Andreas
> >
>
> Hi Andreas,
>
> Thanks for the ideas. We chose the retries value at random, because we
> needed to limit the impact on production machines if the remote host
> became unavailable. (It did once, and we took a lot of heat when systems
> became unresponsive.) I'll try with larger values and see what happens.
>
> Again, thanks!
> Steve

Hi Andreas,

I increased the retries to 2000 (the default is 1000) and also set it
to hard mount, but still no success. Here is the current
/etc/filesystems entry:

/Common:
  dev = "Common"
  vfs = nfs
  nodename = NFSServer
  mount = true
  options = ro,bg,hard,intr,retry=2000,retrans=3
  account = false

Any other thoughts?

Steve

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