[rhn-users] Using tmpfs

[Charith Perera]

Thanks for the response. I tried that but had the same result. 

Charith.


On Tuesday 14 September 2004 11:07 am, Corné Beerse wrote:
> Charith Perera wrote:
> > Hi everyone,
> >
> > I've run into a problem with using a temporary file system for Sybase.
> > This may turn out to be a Sybase issue, so if you think that is the case
> > then please point it out immediately. In either case any solutions are
> > definitely welcome.
> >
> > I've put a line in /etc/fstab as follows:
> >
> > tmpfs /dev/sybase_tempdb  tmpfs mode=700,rw,size=3G 0 0
> >
> > As suggested by this guide : http://www.peppler.org/FAQ/linux.html#q1.19
> >
> >
> > When we attempt to initialize a sybase device for tempdb the following
> > error is returned. When we use an ext3 partition everything goes fine.
> >
> > dopen: open '/dev/sybase_tempdb/tempdb.dat', Invalid argument
> > udactivate: error starting vidtual disk 2
> >
> >>From the sybase website at
> >
> > http://www.sybase.com/detail/printthis/1,6907,20336,00.html I found this:
> >
> > "Sometimes Sybase Adaptive Server Enterprise reports disk I/O errors when
> > current disk analysis shows there are no such errors."
> >
> > My question to you is, is there a difference from an application's point
> > of view if a filesystem is tempfs or ext3? My initial guess was that it
> > should be transparent to the application, but now I doubt that or I'm not
> > setting up the temporary filesystem properly. I'm about to create files
> > as the same user being used by the application.
>
> No, there is no difference for the app if only the filesystem changes,
> except for not available capabilities (think writing to a
> iso-filesystem...). However: if the filesystem is mounted with different
> options, like your 'mode' setting, it is likely that the app does see it.
>
> Hence, try without the 'mode=700' part, better jet: only use the "size=3G"
> ( or more).
>
>
>
>
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