RE: Cache Battery

That it does!


--
Jim Oberholtzer
Agile Technology Architects


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Raul
Jager
Sent: Friday, August 25, 2017 9:41 AM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: Cache Battery

An old PC, with Linux and the new Access makes a usable console.


On 08/25/2017 09:50 AM, Jim Oberholtzer wrote:

I'm glad you had a good experience, but it greatly depends on the
system, which controller card is in there and which disk it controls.
If it happens to be the card where the battery slides out the back,
(and the battery has not bloated so far that it can get out without
being manhandled) then your experience might happen, but I'll bet against

it.

We don't know from the OP which controller card it is, if it's even
accessible from the back of the unit or the shape of the batteries.
From the description I'm strongly guessing it's an older card (which
has the batteries on the card not in the little bay at the back) so
the card must be removed to change it out.

The CE would not require a console if the batteries could be replaced
concurrently. Besides that it's really bad practice to have a system
without a console anyway so bite the bullet and get it done.


--
Jim Oberholtzer
Agile Technology Architects


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Justin Taylor
Sent: Friday, August 25, 2017 8:40 AM
To: Midrange Systems Technical Discussion
Subject: RE: Cache Battery

That disagrees with my experience six days ago.


-----Original Message-----
From: Jim Oberholtzer [mailto:midrangel@xxxxxxxxxxxxxxxxx]
Sent: Friday, August 25, 2017 8:02 AM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxx>
Subject: RE: Cache Battery

Jerry:

The CE needs to take the system to a restricted state, and will most
likely power down the system, that's the reason for needing the
console. That's to be sure the cache is cleared before the batteries
are changed. Besides that I'll bet that card controls all the DASD
(or at least the load source) so, when the card is pulled to change
the battery, the system will go down hard anyway if it's not brought down

nicely.

Yes, a console is a requirement.

DEGRADED most likely means the cache is turned off due to the days count

on

the batteries. System runs but very slowly.
--
Jim Oberholtzer
Agile Technology Architects



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