[gomd-devel] Re: <CW_TOOLS> new release (with oMFS checks)

[Gian Paolo Ghilardi]

Hi Matt.

I've followed your hints. ;)
New cw_tools release in CVS (last before my departure for vacation).

Now we need the scripts to create/delete the temporary oMfs mount points. ;)

Byez.

<rejected>

----- Original Message -----
From: "Matthias Rechenburg" <address@hidden>
To: "Gian Paolo Ghilardi" <address@hidden>; "gomd developers mailing list"
<address@hidden>
Sent: Sunday, August 24, 2003 12:37 PM
Subject: Re: <CW_TOOLS> new release (with oMFS checks)


> Ciao JP,
>
> On Sonntag 24 August 2003 11:03, Gian Paolo Ghilardi wrote:
> > Hi Matt.
> >
> > "cw_tools" now have two new functions to check if oMFS is configured and
> > started before doing any operation on files/directories.
> >
> > Checkout the new cw_tools release... :)
> > I need comments/criticisms/hints...
>
> ok, reviewed them. here are my comments ;)
>
> in isOMFSConfigured i would prefer to grep in /proc/filesystems to
> check if oMFS is configured/supported by the kernel instead of the fstab.
> The user might have mounted it manually by some other script.
> Also grep for mfs in df -h. Better as to grep for the mount-point
> from the fstab e.g. If "df -h | grep mfs" is successfull then you can awk
> the mount-point from it.
>
> in isOMFSEnabled i would prefer to check if oMFS is mounted and
> if not just create a temporary mount e.g. /tmp/mfs, mount oMFS on it,
> install the gomd and then umount it again.
> The user might not want to use oMFS but we can use it for the
> cluster-wide installation.
>
> ... just my mind.
>
> >
> > Thanks.
> >
> > <rejected>
>
> thank you ;))
>
> have fun,
>
> Matt
>
> >
> >
> > ----- Original Message -----
> > From: "Matthias Rechenburg" <address@hidden>
> > To: "Gian Paolo Ghilardi" <address@hidden>; "gomd developers mailing
list"
> > <address@hidden>
> > Cc: "Roel Baardman" <address@hidden>; "Mirko Caserta"
> > <address@hidden>
> > Sent: Sunday, August 24, 2003 9:42 AM
> > Subject: Re: <CW_TOOLS> cluster-wide (un)installation for gomd/libgomd
> >
> > > Hey JP, Matt again,
> > >
> > > a small feature request for those cw_tools ;)
> > >
> > > Since all those scripts are based on oMFS there are basically
> > > (about) 3, ..eh 4 situations :
> > > - oMFS is enabled and mounted
> > > - oMFS is enabled but not mounted
> > > - oMFS is disabled
> > > - running a non openMosix kernel -> no oMFS
> > >
> > > ....so to my mind those scripts should first check if it is an
> > > openMosix kernel. Then grep in /proc/filesystems if oMFS
> > > is supported by the kernel. After that they should "find" the
> > > oMFS mount-point
> > > (since it can be mounted everywhere, not only under /mfs)
> > > e.g. by grepping the df output.
> > > If oMFS is supported but not mounted the scripts also can create a
> >
> > temporary
> >
> > > mount-point, mount it, install gomd clusterwide and umount it again
> > > (since the user decides if he/she wants to use oMFS or not)
> > >
> > > ....... just to make this nice feature more robust ;)))
> > >
> > > enjoy,
> > >
> > > Matt
>
> --
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