I learned to check my disk configuration when the system is delivered. We had a pending failure and when the IBM tech arrived, he said we were not protected. WTF. The system was ordered with RAID-5. Thankfully we had an empty slot so the new drive was added as a hot spare. It immediately replaced the failing drive. That evening I enabled the RAID with IBM's help. From that point on, I do not trust any manufacture to configure my drives. I check and adjust as necessary before loading a new system.
Chris Bipes
Director of Information Services
CrossCheck, Inc.
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Greg Wilburn
Sent: Friday, January 8, 2021 8:23 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Catastrophic disk failure
This happened to us many years ago... 2005 I believe. We actually lost a drive DURING the save to tape.
Not only did we have to restore from tape, we had to recreate transactions using the used film from Zebra printers.
I too thought IBM enabled RAID 5 on that box.
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