I believe fiber channel makes this possible because it allow drives to be
separated by about 60 kilometers (or is it 100?) without having any latency
problems. I read somewhere that some shops have been able to roll their own
SRDF/BCV-like triple mirror solution without having to buy huge, expensive
3rd party "boxed" solutions. Has anyone done this or know of anyone else who
has?
I'd like to have some mirrored drives on opposite sides of the San Francisco
Bay... of course this won't help me in a massive earthquake where the entire
state of California slips into the Pacific Ocean. ;-)
Steve Orr
-----Original Message-----
Carmichael
Sent: Thursday, March 22, 2001 5:36 AM
To: Multiple recipients of list ORACLE-L
Tim,
That sounds about right. SRDF is something like Symmetrix Remote Data
Facility and is basically mirrored disks at a remote site.
Rachel
>From: "Tim Sawmiller" <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
>Subject: RE: EMC TimeFinder, and EMC TimeFinder vs Hot Standby
>Date: Thu, 22 Mar 2001 04:30:26 -0800
>
>So, Jared, are you auditioning for Louis Rukeyser's job? 8-)
>
>Lisa can probably explain better, but as I recall, BCV is something Backup
>Control Volumes. It's a third mirror that can be split off from the other
>two and used for a cold backup (e.g. shutdown Oracle database, split BCVs
>from the mirror set, restart Oracle (this takes like 5 minutes or less);
>run cold backup at your leisure). Then they can be re-attached to the
>mirrored disks at any time and the BCVs are synchronized with the mirrored
>disks automagically. Right Lisa?
>
> >>> [EMAIL PROTECTED] 03/21/01 11:17PM >>>
>
>Ok, does someone one to define SRDF and BCV for
>those of us that don't have any idea what you're
>talking about?
>
>Jared
>
>On Wed, 21 Mar 2001, Koivu, Lisa wrote:
>
> > Hi Yosi, how are you?
> >
> > I can't exactly clarify your fish vs. potatoes, er, timefinder vs. SRDF
> > question but I can tell you that we have BCV's implemented here. We use
> > them for backup and recovery (and it's extremely slick and fast, let me
>tell
> > you! Worth every penny we paid) However you can also mount the BCV's
>and
> > access the data. Honestly I don't see any reason why I wouldn't be able
>to
> > install Oracle on this server and open up a read-only database on the
>BCV's.
> > Except for maybe the fact that my employer practically chokes when
>Oracle
> > quotes pricing.
> >
> > We are running HP/UX. If you want more specific info, email me directly
>and
> > I'll be glad to answer questions.
> >
> > Have a great day...
> >
> > Lisa Rutland Koivu
> > Oracle Database Administrator
>
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