Another nice trait is putting in writing and thereby causing to be procured those things
this DBA campaigned for, unsuccessfully, till he was blue in the face.
- Original Message -----
From: Rachel Carmichael <carmichr_at_hotmail.com>
To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
Sent: Friday, September 01, 2000 2:20 AM
Subject: Re: What to Choose ?
> One of Kevin's best traits is common sense. :)
>
> Oh yeah, he'll be at openworld too
>
>
> >From: "Tom Pall" <tom_at_cdproc.com>
> >Reply-To: ORACLE-L_at_fatcity.com
> >To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> >Subject: Re: What to Choose ?
> >Date: Thu, 31 Aug 2000 14:18:27 -0800
> >
> >Kevin Loney came to visit for a few days last year and I spoke about HA
> >with him.
> >We're running on Sun/Sparc, fairly new hardware (and Sun disks [grrrrrrr]).
> >Kevin asked me to list each failure. They clustered around the disks:
> >losing a cable,
> >controller problem.
> >
> >"Why, then" he asked, "would you go OPS for HA?"
> >
> >We are very happy with the HA path we chose: Fiber Channel, filesystem
> >mirroring.
> >When node A has a problem, we export the filesystems from node A, import
> >them into node B,
> >start Oracle on node B. Oracle looks around, sees a crashed database,
> >performs instance recovery.
> >We don't have autofailover of sessions, don't need it.
> >
> >The Fiber Channel, filesystem mirroring also allows me to have a reporting
> >database every day:
> >form a mirror, break the mirror, scp a copy of the control file and
> >archived redo logs (after a bunch of
> >log switches on production). We start up the reporting database, recover
> >it, open for business.
> >----- Original Message -----
> >To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> >Sent: Wednesday, August 30, 2000 3:27 PM
> >
> >
> > > I thought that Oracle parallel server meant multiple processing
> > > nodes mounted onto the same disk farm. Thus disk failures would show
> > > up in all instances. Also, if different instances are accessing
> > > the same data block, one has to wait for the other to finish with it,
> > > making OPS not a proven technology for OLTP (??).
> > >
> > > A backup from the hardware end sounds more purposeful towards high
> > > availability.
> > >
> > > P.S. Someone said IBM's HACMP config isn't reliable in having the
> > > second node mount disks when one node goes down, leaving no access
> > > to data at all.
> > >
> > > Akshay Jain
> > > _______________________
> > > Newcourt-CIT
> > > Tel. (416) 507-5385
> > > mailto:Akshay.Jain_at_cit.com
> > > _______________________
> > >
> > >
> > > -----Original Message-----
> > > Sent: Friday, August 25, 2000 6:02 AM
> > > To: Multiple recipients of list ORACLE-L
> > >
> > >
> > >
> > > WE are looking at "high availability".I need some help to decide
> > > whether to go for
> > > a High Availability Sun cluster with backup server or for Oracle
> >parallel
> > > server.
> > > Keeping the key word in mind what would u people advice ?
> > > I would be happy if you can provide any links to the mentioned Subject.
> > > Thanks,
> > > Kamal
> > > --
> > > Author: Kamalakannan, D (CAP, GCF)
> > > INET: D.Kamalakannan_at_gecapital.com
> > >
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> > > --
> > > Author: Jain, Akshay
> > > INET: Akshay.Jain_at_cit.com
> > >
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> >
> >--
> >Author: Tom Pall
> > INET: tom_at_cdproc.com
> >
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>
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> --
> Author: Rachel Carmichael
> INET: carmichr_at_hotmail.com
>
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> San Diego, California -- Public Internet access / Mailing Lists
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Received on Fri Sep 01 2000 - 16:24:23 CDT
