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Solaris The Solaris Operating System, usually known simply as Solaris, is a Unix-based operating system introduced by Sun Microsystems. The Solaris OS is now owned by Oracle.

Understanding an iostat entry

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Old Unix and Linux 01-28-2013
shoto2007 shoto2007 is offline
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Understanding an iostat entry

Hi all,
I'm working on a solaris server.
there are no any hardware issue.
but I get the following isostat output:


Code:
# iostat -en
  ---- errors --- 
  s/w h/w trn tot device
    0   0   0   0 c0t5000CCA012AB0081d0
    0   0   0   0 c0t5000CCA012B4CC61d0
    0   0   0   0 c0t5000CCA012A4AA61d0
    0   0   0   0 c0t5000CCA012AAACF5d0
    0   0   0   0 c0t5000CCA012A4E489d0
    0   0   0   0 c0t5000CCA012AD3E69d0
    0   0   0   0 c0t5000CCA012B4B5C9d0
    0   0   0   0 c0t5000CCA012A81FADd0
    0  12   0  12 c1t0d0
    0  12   0  12 c5t0d0
    0   1   0   1 rmt/0
    0   0   0   0 Sdp031:vold(pid679)

I though that I had 2 faulty devices, but in iostat -En, these devices are Virtual.


Code:
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
c0t5000CCA012A81FADd0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: HITACHI  Product: H106030SDSUN300G Revision: A2B0 Device Id: id1,sd@n5000cca012a81fac 
Size: 300.00GB <299999999488 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
c1t0d0           Soft Errors: 0 Hard Errors: 12 Transport Errors: 0 
Vendor: AMI      Product: Virtual Floppy   Revision: 1.00 Device Id: 
Size: 0.00GB <0 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 12 Recoverable: 0 
Illegal Request: 6 Predictive Failure Analysis: 0 
c5t0d0           Soft Errors: 0 Hard Errors: 12 Transport Errors: 0 
Vendor: AMI      Product: Virtual CDROM    Revision: 1.00 Device Id: 
Size: 0.00GB <0 bytes>

I dont't understand these entries and need to know if it is possible to remove these entries from iostat.

Thx
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Old Unix and Linux 01-29-2013
zazzybob's Unix or Linux Image
zazzybob zazzybob is offline Forum Advisor  
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These are not issues, and will be a side effect of what ever software you are using to virtualise (and hence is virtualising the CDROM and Floppy drives, IMHO.

A reboot is the easiest way to clear these errors - otherwise you'll need to hassle with a debugger, such as:

http://unixadm.blog.com/2011/10/30/c...at-solaris-10/

Cheers,
ZB
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