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Re: Replacing a Disk that is "About to Fail"



fixed

In case anyone is still wondering, contrary to what the manuals say the 270 never realizes it has a new disk drive until you rebuild the RAID set. It keeps reporting the disk unit as failed and tells you the old serial number. I know, I tried everything including DST. But, then you simply do a rebuild and once the rebuild is done, the disk unit has the new serial number.

It's magic.

Joe

Two basic manuals cover most situations:

Backup & Recovery Guide (Software Infocenter)

http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/books/sc415304.pdf

I would download this manual and keep it on a memory stick.

& Hardware Infocenter (Replacing and installing parts)

http://publib.boulder.ibm.com/infocenter/systems/scope/hw/index.jsp?topic=/iphaj/installcifcio.htm


Since you have an older machine, this site will also be very
helpful and prevent you from having to wade through the current Infocenter.

http://publib.boulder.ibm.com/pubs/html/as400/v4r5/ic2924/v4r5hwpdf/pdf/model270.htm



Joe Pluta wrote:

I've replaced disks several times, but mostly by sort of staggering through the procedure. I usually power off my machine, remove the failed disk, replace it with a new one, power on, and then wander through SST screens until I remember how to re-configure the new drive.

I'd like to do this correctly for once. I have a model 270 with all the disks in the main enclosure and I do *not* have hot swap. I have six disks in a RAID5 configuration, and the system is complaining that one of them (DD003 in position D02) has an "Impending DASD failure". Is there a manual which specifically tells me the steps to replace this disk drive?









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