The datacenter reports that the disk is only warm to the touch.
Is there a possibility that the SATA disk is returning different
raw values?  I had to specify "-d ata" to get smartctl to work.
Without this option, I get

[jhg@helios ~]$ sudo smartctl -a /dev/sda
sudo:
smartctl version 5.33 [x86_64-redhat-linux-gnu] Copyright (C) 2002-4 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

Device: ATA      WDC WD1600JS-55M Version: 10.0

SATA disks accessed via libata are not currently supported by
smartmontools. When libata is given an ATA pass-thru ioctl() then an
additional '-d libata' device type will be added to smartmontools.


Manfred Schwarb wrote:
-------- Original-Nachricht --------
Datum: Thu, 22 Jun 2006 22:29:42 -0500
Von: James Garrison <jhg@athensgroup.com>
An: smartmontools-support@lists.sourceforge.net
Betreff: [smartmontools-support] WDC WD1600JS unknown attribute 190 question

  
I did a google search and found some postings that indicate attributes 
190 and
194 both indicate the current temperature in degrees celsius.  Is this 
also true
for WD SATA drives?  I recently leased a dedicated server at cari.net and
get the following when running smartctl.  Everything looks normal except
190 and 194.  If they're really temperature, then there's a serious
problem with cooling.  I want to be sure this is true before I submit a
support request to them.

    

Yes, Attribute 190 in WD drives seems to be temperature with a 
threshold at 55 degrees, Bruce made some comments about this recently.

And yes, you have a problem. See the "FAILING_NOW" message, which
means that WD considers this as "no good".

regards,
Manfred


  
190 Unknown_Attribute       0x0022   040   024   045    Old_age   
Always   FAILING_NOW 60
194 Temperature_Celsius     0x0022   087   071   000    Old_age   
Always       -       60
      

  

-- 
James Garrison                                Athens Group, Inc.
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