[8587] in Info-AFS_Redistribution
Re: "hard mounts"
daemon@ATHENA.MIT.EDU (Nathan Neulinger)
Sat Mar 17 11:17:28 2001
Message-ID: <3AB38CA6.F868456E@umr.edu>
Date: Sat, 17 Mar 2001 10:11:18 -0600
From: Nathan Neulinger <nneul@umr.edu>
MIME-Version: 1.0
To: Lyle Seaman <lws@spinnakernet.com>
CC: info-afs@transarc.com, openafs-info@openafs.org
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Lyle Seaman wrote:
>
> Phil.Moore@msdw.com wrote:
>
> > We depend on this here at MSDW, and without it, wouldn't be running
> > AFS. See the long winded story below if you don't understand why this
> > is so important.
> >
>
> I think I can explain this concisely. MSDW has (had?) an essentially
> data-less configuration. 98% of the client OS executables actually
> resided in AFS Read-Only volumes, especially including the X server and
> some other critical things.
>
> In the event of a network outage, the client would sequentially time-out
> on each of the three or four replicas, and then X would crash, along with
> all the applications. Recovery basically involved rebooting,
> which turned a four-minute outage into a 15-minute outage.
I presume that the hard mount support means that the timeouts are
disabled, and the machine just hangs until the volume is available
again?
-- Nathan
------------------------------------------------------------
Nathan Neulinger EMail: nneul@umr.edu
University of Missouri - Rolla Phone: (573) 341-4841
CIS - Systems Programming Fax: (573) 341-4216
