Also, I'd like to know the performance impact of this. Some of our customers have expressed interest in this, and I'd like to know if the number of redo latches increase. Or if the redo log buffer has any problems flushing out.
Nick
-----Original Message-----
From: Rachel Carmichael [mailto:wisernet100_at_yahoo.com]
Sent: Thursday, January 24, 2002 12:50 PM
To: Multiple recipients of list ORACLE-L
Subject: Re: Mirroring REDO logs to an nfs drive
easiest way to see the values is to do a backup controlfile to trace...
they will be there
- Steve McClure <smcclure_at_usscript.com> wrote:
> Our site is preparing to fail over to our backup server. We need to
> do
> maintenance on our production server, and will be running on the
> backup for
> about 24 hours. One issue I brought up was that our backup server is
> not
> equiped with mirrored drives, thus there was the possibility that a
> drive
> failure could destroy an online redo log. On our production box the
> logs
> are not software mirrored, because of the physical mirroring in our
> drive
> cabinet.
>
> As a result I was told to multiplex the redo logs once we had failed
> over to
> the backup server. Furthermore I would add the new members to an nfs
> drive,
> so that even a pesky controller couldn't foil our mirrored log files.
>
> I have some questions about this. First, am I just looking for
> problems by
> doing this? I would appreciate any tips or warnings on this subject.
> Secondly, researching this topic made me curious as to my DB's
> settings for
> MAXLOGFILES and MAXLOGMEMBERS. Where can I find these parameters? I
> was
> sure I would find them in v$parameter, but they were not there.
>
> Thanks for any response,
> Steve McClure
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Steve McClure
> INET: smcclure_at_usscript.com
>
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--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Rachel Carmichael
INET: wisernet100_at_yahoo.com
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
San Diego, California -- Public Internet access / Mailing Lists
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Received on Thu Jan 24 2002 - 18:05:30 CST
