[Linux-PowerEdge] PE 2950 PERC 5/i slow

Jake Smith jsmith at argotec.com
Mon Mar 17 09:18:17 CDT 2014

Thank you everyone... yes they are the crappy Seagate drives -

I swapped the drives to the other identical 2900 and the problem followed
the drives.  I had already run the SMART tests and everything shows fine.
The battery health was fine on both (had swapped the battery to test prior
as well).  And the virtual disks are both in the same optimal state.

I'm going to give in and just get some better drives.  Any


-----Original Message-----
From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of Stephen Dowdy
Sent: Thursday, March 13, 2014 7:16 PM
To: Another Dell User; linux-poweredge at dell.com
Subject: Re: [Linux-PowerEdge] PE 2950 PERC 5/i slow

Another Dell User wrote, On 03/13/2014 04:41 PM:
> Is the "340AS" thing a typo, or am I missing something?  Your data is
showing "340NS".

That's why i said "Nearline SAS brothers" (i think Seagate may be using
"NS" for both "Nearline SATA" and SAS) too. the "AS" is consumer SATA.
Sorry, they're both horrible drives.  Also, i had a PE T610 with a bunch
of 640SS (SAS) that all 8 drives blew up (3 in the first year, all within
5 years) (We have 1,000s of servers + hundreds of desktops and dozens of
powervaults, so it's not just a few random events -- we have a standing
joke around here "What kinda drive do you think FAILED out?  Oh, lookie
here, another 340[AN]S!" -- I'm dealing with 2 systems right now where the
PERC keeps kicking them (340NS) out, then rebuilding on them :-( )

> On 2014-03-13 17:07, Stephen Dowdy wrote:
>> If you see those drive models ending in 340AS, then you have your 
>> problem right there ;) (those drives, and their Nearline SAS 
>> brothers, suck,suck,suck, and i'm getting tired of replacing 1 or 
>> more a week)
>>     # /usr/local/LSI-Tools/megacli pdlist a0 | grep Inquiry\ Data
>>     Inquiry Data:      WD-WCAW3......2WDC WD1003FBYX-18Y7B0
>> --> Inquiry Data:             9......0ST31000340NS
>> (evil, broken drive, note it's the last one to fail in this machine 
>> and be replaced by less evil drives)

Stephen Dowdy  -  Systems Administrator  -  NCAR/RAL
303.497.2869   -  sdowdy at ucar.edu        -

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