I've been browsing through the ADSM archives at Marist and could not find what I was looking for. Setting up a new server that has ample space to replace our old ADSM server. What are the pros and co
Author: Andrew Raibeck <storman AT US.IBM DOT COM>
Date: Mon, 5 Jan 1998 11:06:20 -0500
I definitely recommend using ADSM mirroring, *not* AIX mirroring. One main reason for this has to do with database volume corruption. If, for some reason, one of your ADSM DB volumes becomes corrupte
Author: "Pittson, Timothy ,HiServ/NA" <tpittson AT HIMAIL.HCC DOT COM>
Date: Mon, 5 Jan 1998 11:44:53 -0500
Joe, If it comes down to using ADSM or AIX to mirror the database, I'd use ADSM mirroring. I think the big advantage to using ADSM mirroring is in the event of the system crashing during a DB write a
Author: Sheelagh Treweek <sheelagh.treweek AT COMPUTING-SERVICES.OXFORD.AC DOT UK>
Date: Mon, 5 Jan 1998 17:37:04 +0000
I agree with Tim (and Andy earlier). We use 7137-514 RAID for DB (now almost 50GB and spread over 2 RAID arrays). We are shortly to install SSA RAID with fast write-cache and will be looking to move
Author: "Sanders, David" <DSanders AT INTERNAL.MASSMUTUAL DOT COM>
Date: Tue, 6 Jan 1998 09:17:50 -0500
Wow, this sounds suspiciously like the old scare tactics that would cause folks to buy a ton of hardware!! To double your capacity just so that you "have a prayer that a bad write during ADSM crashed
Coming from a database support background and having gone through an ADSM database recovery I definitely recommend mirroring, with the MIRRORRead/Write Verify options activated. An ADSM database rec
Just for the record, IBM doesn't unconditionally recommend database mirroring (aka "The old scare tactics"). In the admin guide the section on "roll-forward recovery" states 'roll-forward recovery is
Author: "Pittson, Timothy ,HiServ/NA" <tpittson AT HIMAIL.HCC DOT COM>
Date: Tue, 6 Jan 1998 12:33:27 -0500
David, If you read thru my note, I wasn't engaged in any 'scare tactics' but was replying to the question 'if you were going to use AIX or ADSM mirroring', which would you use. I was simply offering
Author: "Sanders, David" <DSanders AT INTERNAL.MASSMUTUAL DOT COM>
Date: Tue, 6 Jan 1998 16:54:01 -0500
I didn't mean to pick on you specifically,, I was just pointing out that it would be very difficult to justify from a business perspective, huge amounts of DASD if you have a stable environment and f