RE: Disk controller failure?

Are you sure the second disk controller goes in C6?

I remember an older machine (520 generation) that when you added the disk expansion I thought you had to put the secondary controller in C4.

Pete

--
Pete Massiello
iTech Solutions
http://www.itechsol.com
http://www.iInTheCloud.com




-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Roberto José Etcheverry Romero
Sent: Friday, July 11, 2014 1:33 PM
To: Midrange Systems Technical Discussion
Subject: Re: Disk controller failure?

571B, location C6, why would they sell you another controller and the external backplane (don't know the correct term, i mean the backplane that doesnt connect to the integrated controller but to an external, like in this case) to make it short, you now have 2 cards, the integrated 5709/573D servicing one 4-disk array, and another card the 571B servicing the other 4-disk array (when you installed the blue backplane you had to wire it to the new controller, right? but the original 4 disks' backplane didn't change right?) I would have just put the common backplane and stopped-started array so that you get a single 8 disk array...
Follow Dr Franken's advice and let's see it the error clears.

Best Regards,

Roberto


On Fri, Jul 11, 2014 at 2:09 PM, Nathan Andelin <nandelin@xxxxxxxxx> wrote:

Thanks for the reply. Yes, the package included a 4-drive back-plane.
Yes, going from 4 to 8 drives. Yes, the disks are 4326.

I will try re-seating the back-plane. But is that the part you might
replace? The package included 4 disks, a back-plane, a controller, and
a battery pack.




On Fri, Jul 11, 2014 at 10:46 AM, DrFranken <midrange@xxxxxxxxxxxx> wrote:

So you added the blue four drive disk back-plane to go from 4 to 8
drives correct?

First thing I would do is power down, pull the drives and re-seat
that part. Then put the drives back in. If that doesn't do it,
replace the

part.

Are the drives the same FC as the first four? i.e. 4326 or 4327? If
they are 4319s for example they are slower so that will hurt you.


- Larry "DrFranken" Bolhuis

www.frankeni.com
www.iDevCloud.com
www.iInTheCloud.com


On 7/11/2014 12:34 PM, Nathan Andelin wrote:

I recently added 4 disk drives to our development box (9405-520),
which

required a different disk controller (according to the vendor).

I installed the controller. I configured and formatted the drives
and added them to the system ASP. They appear to work, but we're
getting POOR performance during SAVE/RESTORE operations. The system
generates an

error

message and problem report during IPL. I posted the error message,

problem

report, and a couple screen shots:

http://code.midrange.com/a466c3beed.html

The cache battery appears to be fine. What should be my response to
the problem?

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