Check out my first novel, midnight's simulacra!

SMART: Difference between revisions

From dankwiki
m (1 revision)
No edit summary
 
(2 intermediate revisions by the same user not shown)
Line 1: Line 1:
For help using SMART on [[SATA]] drives, see [[SATA#SMART|that page]].
Apparently, it's not to be trusted; see [http://www.usenix.org/events/fast07/tech/full_papers/pinheiro/pinheiro.pdf|Failure Trends in a Large Disk Drive Population] (Pinheiro, Weber and Barroso 2007).
Apparently, it's not to be trusted; see [http://www.usenix.org/events/fast07/tech/full_papers/pinheiro/pinheiro.pdf|Failure Trends in a Large Disk Drive Population] (Pinheiro, Weber and Barroso 2007).
 
===Are my disks failing?===
The one-line executive summary is available for supported disks via the <tt>-Hc</tt> option. <tt>grep</tt> for <tt>"^SMART overall"</tt> and verify <tt>PASSED</tt> as opposed to <tt>FAILING</tt>. If you're already <tt>FAILED</tt>, the command will generally fail in and of itself.
==Hardware RAID Controllers==
==Hardware RAID Controllers==
*Dell PERC -- See [[Linux on Dells]]. Example:
*Dell PERC -- See [[Linux on Dells]]. Example:
Line 11: Line 10:
   state=running queue_depth=128 scsi_level=6 type=0 device_blocked=0 timeout=90
   state=running queue_depth=128 scsi_level=6 type=0 device_blocked=0 timeout=90
[wopr](0) $ </pre>
[wopr](0) $ </pre>
==See Also==
* "[http://www.linuxjournal.com/article/6983 Monitoring Hard Disks with SMART]", Linux Journal 2004-01-01
* SMART on [[SATA]] drives is covered in more detail on the [[SATA#SMART|SATA page]].
[[Category: Hardware]]

Latest revision as of 23:50, 25 March 2010

Apparently, it's not to be trusted; see Trends in a Large Disk Drive Population (Pinheiro, Weber and Barroso 2007).

Are my disks failing?

The one-line executive summary is available for supported disks via the -Hc option. grep for "^SMART overall" and verify PASSED as opposed to FAILING. If you're already FAILED, the command will generally fail in and of itself.

Hardware RAID Controllers

 [wopr](0) $ lsscsi -l
[0:0:32:0]   enclosu DP       BACKPLANE        1.06  -       
  state=running queue_depth=128 scsi_level=6 type=13 device_blocked=0 timeout=0
[0:2:0:0]    disk    DELL     PERC 6/i         1.11  /dev/sda
  state=running queue_depth=128 scsi_level=6 type=0 device_blocked=0 timeout=90
[wopr](0) $ 

See Also