[Info-vax] EMU communication in Storageworks 4200/4300 drive enclosure

[Dave Froble]

On 7/10/2020 6:40 PM, Rich Jordan wrote:
> On Thursday, July 9, 2020 at 7:57:10 PM UTC-5, Dave Froble wrote:
>> On 7/9/2020 5:38 PM, Rich Jordan wrote:
>>> On Wednesday, July 8, 2020 at 8:55:49 PM UTC-5, abrsvc wrote:
>>>> I seem to recall another posting thread indicating that once this indicator lights, a power cycle is required to "reset" it.  I can't locate that reference at the moment though.
>>>
>>> We considered that possibility: I haven't found it documented and if we don't have to power cycle both we and the customer would rather not.  That is the last resort if HP doesn't come up with a different response.
>>>
>>
>> Ya know, usually it's best to try the easiest possibilities first.
>>
>> --
>> David Froble                       Tel: 724-529-0450
>> Dave Froble Enterprises, Inc.      E-Mail: davef at tsoft-inc.com
>> DFE Ultralights, Inc.
>> 170 Grimplin Road
>> Vanderbilt, PA  15486
>
> Yes, and its also easy for disks that have been spinning and electronics that have been energized for 2+ years to take a permanent dirt nap on a power cycle.  One does not simply walk into Mordor.  One prepares and schedules, and talks to the hardware support folks first.
>

If you're that close to the edge, then you're already screwed, it's just 
a matter of time.

Yes, I've experienced failures because of power failures.  Don't like 
them.  But I accept that uninterrupted power is a pipe dream, and if I 
lose something, it was already lost, just waiting for event.

-- 
David Froble                       Tel: 724-529-0450
Dave Froble Enterprises, Inc.      E-Mail: davef at tsoft-inc.com
DFE Ultralights, Inc.
170 Grimplin Road
Vanderbilt, PA  15486