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09-05-2015 09:20 AM
09-05-2015 09:20 AM
DL380 G7 SAS HD LED Brightness Weirdness
I'm running a ProLiant DL380 G7. All is well. No warning or failure lights. All 8 drive bays are occupied and all disks are operating fine.
However, the green (and blue) LEDs on the drive in bay 7 is not as bright at the LEDs on all the other disks. I moved the disk in bay 7 to another bay and got normal brightness. I put a different drive in bay 7 and got reduced brightness. So it's not the disks which are the issue, it's the bay itself. Or whatever the electonics are inside the bay which supply power to the drive's LEDs.
My question is, does this reduced LED brightness mean anything sinister? Is it a sign that something is failing? Is there something I can check or do about it? Anyone seen this situation before?
Thanks in advance for any useful feedback.
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09-07-2015 10:44 PM
09-07-2015 10:44 PM
Re: DL380 G7 SAS HD LED Brightness Weirdness
Hi,
Some things you can try:
1. Run ADU and check the report.
2. Update the RAID Controller firmware.
3. Switch OFF the server and reconnect all the storage cables.
Here in this case the issue could be with Firmware or hard drive backplane.
Thank You!
I am a HP employee.
Useful Links for ProLiant Servers
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I work for HPE.
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]
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09-07-2015 11:38 PM
09-07-2015 11:38 PM
Re: DL380 G7 SAS HD LED Brightness Weirdness
Up to G7 the LEDs are on the backplane. There is a light pipe from to backplane to the front of the disk. Maybe the pipe does not hit the LED exactly, there is some dust or the pipe got blind somehow.
No need to worry.
Hope this helps!
Regards
Torsten.
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09-08-2015 03:03 AM - edited 09-08-2015 03:10 AM
09-08-2015 03:03 AM - edited 09-08-2015 03:10 AM
Re: DL380 G7 SAS HD LED Brightness Weirdness
> Maybe the pipe does not hit the LED exactly
That would have been my first guess.
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02-24-2020 08:36 AM
02-24-2020 08:36 AM
Re: DL380 G7 SAS HD LED Brightness Weirdness
OMG! I've only just seen your reply - years later. I'm so sorry for not responding sooner. Thanks for responding.
I must have got super busy and forgot to follow up. Anyway, here I am in Feb 2020. My DL380 G7 is still going strong, but still has the dim LED weirdness. I will look into this again now I have something to check.
Thanks again for responding. I hope you see this and know I (finally) appreciated your time.
All the best,
Sean.