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Today's Topics:
1. RE: Upgrading 1.4.2 to 2.1 (Joe Langford)
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Message: 1
Date: Fri, 24 Jul 2009 16:52:44 -0500
From: Joe Langford <email@hidden>
Subject: RE: Upgrading 1.4.2 to 2.1
To: Andy Sykes <email@hidden>, Vitali Bystritski
<email@hidden>
Cc: xsan list apple <email@hidden>
Message-ID:
<email@hidden>
Content-Type: text/plain; charset="us-ascii"
Vitali,
Take it from me, you'll want to backup, rebuild and restore. We did
the upgrade last June and had problems with daily fsm panics after
that. Apple finally fixed our issues two weeks ago. That's over a
year with our Metadata controllers crashing daily. You can imagine
this made me look in my organization. Don't do the upgrade.
JOE LANGFORD SVP Technology
2155 West Chesterfield Blvd. Springfield, MO 65807
417.875.5072 F: 417.875.5051 www.noble.net
Insight Driven Ideas that Connect(tm)
-----Original Message-----
From: xsan-users-bounces+joe.langford=email@hidden
[mailto:xsan-users-bounces+joe.langford=email@hidden]
On Behalf Of Andy Sykes
Sent: Wednesday, July 15, 2009 6:43 PM
To: Vitali Bystritski
Cc: xsan list apple
Subject: Re: Upgrading 1.4.2 to 2.1
Vitali,
Fair enough. I was trying to avoid wipe-and-restore, but I guess I
could end up doing that anyway if something goes bad, plus the added
time expense of a failed upgrade.
Thanks for the advice.
Andy.
On 16 Jul 2009, at 00:06, Vitali Bystritski wrote:
Andy,
From what I've heard from many integrators and Apple support, the
bulletproof way to upgrade is to back up the data to another
storage, build the Xsan 2 solution from a scratch and move the data
back. Upgrading metadata from 1.4.2 to 2.1 is still pretty risky.
Thank you,
Vitali Bystritski
On Jul 15, 2009, at 6:50 PM, Andy Sykes wrote:
Hi all,
I'm about to upgrade an Xsan installation from 1.4.2 to 2.1.
I've read the Migration Guide, and I just want to sanity check a
few things with the knowledgeable folks here.
1) After you unmount/stop all the volumes, you run the Xsan
installer on each MDC and client. Do you then update to 2.1.1
without opening Xsan Admin?
2) Do you have to open Xsan Admin on an MDC first, or does it not
matter?
3) Do the clients/MDCs remember their previous role, or do they
need to be configured in SAN Setup again?
4) Roughly how long does the filesystem upgrade take, say per TB?
And lastly,
5) What can go wrong that I should look out for?
Cheers.
Andy.
--
Andy Sykes
IT Support Officer
UCL Museums & Collections /
Media Services
email@hidden
Museums:-
Mon/Tues/Wed AM
Tel: 0207 679 7667 | x37667
Media:-
Wed PM/Thurs/Fri
Tel: 0207 679 9164 | x09164
--
"If computers get too powerful, we can organize them into a
committee. That will do them in."
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End of Xsan-Users Digest, Vol 58, Issue 11
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