Re: System backup in a 24/7 environment. -- MIDRANGE-L

Gentlemen,

  *Disclaimer* We sell and support DataMirror High Availability
Solutions.

  Might I add DataMirror's Transformation Server, Object Mirror, and
Switch over system as a full system Mirroring and automatic switchover
option.  Transformation Server has more capability than either of the
fine products from Lakeview or Vision, yet costs less too!

  http://www.datamirror.com

  Larry Bolhuis
  Arbor Solutions, Inc
  DataMirror Business Partner
  lbolhuis@ibm.bet

Ashok Dave wrote:
> 
> Hi Ken. I've spoken to you on numerous occassions when you call IBM
> supportline.
> If you are truly a 24x7 shop and cannot go down AT ALL, an option to
> consider would be a mirroring system, eg. Lakeviews MIMIX or Vision
> Solutions OMS. This is an expensive solution and there may be other
> methods but this provides a mirrored copy of your data on a second
> system. Both systems are kept in sync. so when you need to IPL one or
> apply ptfs or releases, you switch over to the secondary machine. With
> the above two technologies, this switch over is almost real time and can
> be made very slick and seamless.
> The second advantage of adopting this type of solution is that again, if
> you are truly 24x7, you cannot afford a disaster. Using MIMIX or Vision
> allows the second system to be your "hot backup" in the event of a
> failure on your primary machine. The software will automatically switch
> you to the secondary system.
> 
> Regards,
> Ash.
> 
> >From uucp@uucp1.mcs.net Thu Jun 25 11:33:11 1998
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> >From: "Graap, Ken" <keg@gasco.gasco.com>
> >To: "'MidrangeL'" <midrange-l@midrange.com>
> >Subject: System backup in a 24/7 environment.
> >Date: Thu, 25 Jun 1998 08:04:46 -0700
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> >
> >Hello all....
> >
> >I've recently changed companies and one of my first tasks is to
> >reevaluate
> >the backup recovery process for our 9406 530-2153 system...
> >
> >Where I came from we had the luxury of being able to take the system
> >down
> >for most of the day on Sunday to do a FULL system backup and IPL.
> >
> >Things are a bit different here... This system serves as our primary
> >Customer
> >Information / Billing system and needs to be up as close to 24/7 as
> >possible.
> >
> >I know there are probably lots of Systems Administrators out there that
> >have already
> >come up with backup recovery plans that work with a 24/7 availability
> >need.
> >
> >I was wondering if anyone would mind sharing some ideas on this
> subject?
> >
> >In a 24/7 environment when do you apply delayed PTF's?
> >When and how often do you run SAVSYS?
> >Are you using Save While Active (or should it be called "save SOME
> while
> >active!)?
> >How do you do release upgrades?
> >
> >thanx in advance for any ideas....
> >
> >Kenneth
> >
> >--
> >********************************
> >        Kenneth E. Graap
> >  AS/400 Systems Administrator
> >    NW Natural - Information Services
> >             System Services
> >          503 226 4211 X5537
> >           FAX  503 721 2521
> >********************************
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