[8370] in Info-AFS_Redistribution

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Re: Replication volume swaps

daemon@ATHENA.MIT.EDU (Steve Lammert)
Tue Jan 2 13:18:30 2001

Message-Id: <3A4CD200.3A86FFC5@MARS-SYSTEMS.COM>
Date: Fri, 29 Dec 2000 13:03:44 -0500
From: Steve Lammert <shl@mars-systems.com>
Mime-Version: 1.0
To: "Neulinger, Nathan R." <nneul@umr.edu>
Cc: Jeff Blaine <jblaine@linus.mitre.org>,
        Mitch Collinsworth <mitch@ccmr.cornell.edu>, info-afs@transarc.com
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"Neulinger, Nathan R." wrote:
> 
> Uh. The below is a really bad idea!

You're right!  I got it backwards.

That's what I get for being out of the AFS server management business
for the past six months!
 
> During the time between the first and completion of the third step, your
> users won't be able to access the data reasonably, since the readonly volume
> won't exist any more in the vldb. Always create the new one first, then
> remove the old one.
> 
> -- Nathan
> 
> > -----Original Message-----
> > From: Steve Lammert [mailto:shl@mars-systems.com]
> > Sent: Friday, December 29, 2000 10:26 AM
> > To: Jeff Blaine
> > Cc: Mitch Collinsworth; info-afs@transarc.com
> > Subject: Re: Replication volume swaps
> >
> >
> > Jeff Blaine wrote:
> > >
> > > >  - vos addsite to define a new r/o volume location
> > > >  - vos release to clone the r/w to all r/o's
> > > >  - vos remove to remote the old r/o
> > >
> > > So, now my question is (to you and the other person who
> > replied with the
> > > same info):  Why is 'vos remsite' never used in your solution?
> >
> > Answer: It should have been.
> >
> >       vos remsite to remove the old r/o location from the VLDB
> >       vos addsite to define the new r/o location in the VLDB
> >       vos release to write new data to the disk
> >
> > Then you can use "vos remove" to delete the old clone from the disk at
> > your leisure.  Actually, I think at one time it was necessary to use
> > "vos zap" ...
> >
> > --
> > steve lammert        | medical archival systems, inc. (a/k/a MARS)
> > systems analyst v    | 1370 beulah road | pittsburgh, pa 15235-5084
> > shl@mars-systems.com | v:  412-473-6544 | f: 473-6538 | c: 310-3406
> >

--
steve lammert        | medical archival systems, inc. (a/k/a MARS)
systems analyst v    | 1370 beulah road | pittsburgh, pa 15235-5084
shl@mars-systems.com | v:  412-473-6544 | f: 473-6538 | c: 310-3406

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