[SATLUG] OT: Help w-hardware diagnosis

Alan Lesmerises alesmerises at satx.rr.com
Mon Aug 27 21:02:53 CDT 2012

I recently picked up an NAS server and went to try & set it up and 
encountered a problem that I wanted to run past you for any ideas you 
might have.

It takes up to 4 SATA/SAS drives, but it didn't come with any.  I tried 
to power it up as-is, and it came alive but failed to boot (according to 
an indicator light on the front panel).  I powered it down, tried 
installing 2 unused SATA drives that I had lying around, and pressed the 
power button and got nothing.  I tried a few other things and found that 
if I installed a single drive only, it would power-up.  In fact, when I 
had the drives removed, then inserted the 2nd drive, it shut down.  At 
first I thought there might be something wrong with the PS, but when I 
tested it using a standard PC PS tester it looks like it's ok.

So here's where I have a couple of questions:

1. I have a 24-pin PC PS tester, the PS for the server is 20-pin but it 
fits in the first set of 20 pins in the tester.  Would a standard 20-pin 
PC PS be the same as the first 20 pins of a 24-pin PS?  In other words, 
can I believe the tester in this case?

2. If the PS isn't the source of the problem, what would you think could 
be the problem?


Al Lesmerises

p.s. - Sorry I missed the Linux Day festivities (I had other obligations 

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