RE: MC/Serviceguard vs Sun Clusters

From: Adams, Matthew (GEA, 088130) <MATT.ADAMS_at_APPL.GE.COM>
Date: Thu, 07 Feb 2002 10:18:56 -0800
Message-ID: <F001.004092D0.20020207101424@fatcity.com>

Were you only running a single heartbeat connection?

---

Matt Adams - GE Appliances - matt.adams_at_appl.ge.com "Doing linear scans over an associative array is like trying to club someone to death with a loaded Uzi."     - Larry Wall (creator of Perl)

>-----Original Message-----
>From: dgoulet_at_vicr.com [mailto:dgoulet_at_vicr.com]
>Sent: Thursday, February 07, 2002 9:00 AM
>To: Multiple recipients of list ORACLE-L
>Subject: Re:MC/Serviceguard vs Sun Clusters
>
>
>Rama,
>
>    We did the MC/ServiceGuard thing some years ago.  Worked
>well, after our SA
>rebuilt the servers from ground 0.  Adding it on to an
>existing server is ok,
>but somewhat unstable.  One item to be VERY careful of.  The
>heartbeat cable, in
>our case a ethernet thin line, needs to be on a dedicated
>link, preferably a
>purchased vs. custom made cable, and protected from accidental
>disconnect.  Ours
>got disconnected by a contractor working in the computer room
>because "it was in
>his way".  The resulting reboot of the backup server and
>forcible takeover of
>the disk farm absolutely destroyed the database.  We had more
>file corruption
>than I ever could have imagined.  Consequently we abandoned
>ServiceGuard & are
>going to standby databases instead.
>
>Dick Goulet
>
>____________________Reply Separator____________________
>Author: "Rama Malladi" <rama_at_toyota.com>
>Date:       2/6/2002 5:23 PM
>
>Hi...
> I am looking for inputs from anybody who has experience in both
>MC/Serviceguard (MC/S) as well as Sun cluster implementation.
>If a DBA/SA
>team has lots of experience in implementing MC/Serviceguard
>clusters on HP
>and trying to move to SunClusters for HA solution ...
>
>a) What are the common things between MC/S and and Sun
>clusters (ex: about 5
>minute fail-over time, fixed IP address, 2 or more nodes in a
>cluster, disk
>sharing etc..)
>
>b) Any differences between these... What are the things to
>watch out for
>(assuming the team already knows in and out of  MC/Serviceguard)
>
>Thank you in advance...
>Rama
>
>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.com
>--
>Author: Rama Malladi
>  INET: rama_at_toyota.com
>
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Received on Thu Feb 07 2002 - 12:18:56 CST