On Mon, 29 Jan 1996, Mike Heisler wrote:

> > 
> > On Sat, 27 Jan 1996, Rainer Toebbicke wrote:
> > Rainer -
> > 
> > Basically RAID works fine, but journalled file systems don't for the 
> > reason you mention above.  
> 
> By "don't" work I assume you mean for high availablity.?
No, by "don't work" I mean that if you reboot the system the system will 
go out and fsck all the journalled file systems - thereby negating a lot 
of the purpose of having the journalled file systems.  

> > > I spoke to 
Transarc about this a while ago - 
> > we did try doing it, and the journalled file systems seem to be just fine 
> > for normal running, but as you say, if you reboot the system it fsck's 
> > all the journalled file systems.  
> 
> We run AIX file servers that use a journalled file system.  You really
> do want it to fsck the systems.  We spent many months chasing what
> we thought were salvage problems that were really lower level disk problems
> that fsck needed to fix.
> 
> We recently installed AFS 3.4 and while we were down we fsck'd the disks.
> A few of them had fsck problems even though we went down "clean".
> (BTW we have 3 servers with 29/19/18GB)
> We then forced a salvage and about half of them had salvage problems. 
> 
> -- 
> Mike Heisler          607-255-7344        [EMAIL PROTECTED]
> Materials Science Ctr.        302 Thurston Hall   Cornell Univ, Ithaca, NY 14853-1503
>           The "horizon effect": every time one problem is solved, 
>               another more complicated one arises
> 
> 

Steve Hanson - FERMILAB, Batavia, Il.
[EMAIL PROTECTED]


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