Physically identify hard disk.


 
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Operating Systems Solaris Physically identify hard disk.
# 1  
Old 03-01-2010
Power Physically identify hard disk.

Hi,

I have a failed hard disk in my Sun Fire V240. Unfortunately it does not show up in 'cfgadm -al' or in the format command so I cannot unconfigure it and illuminate the blue light on the front to identify it. Is there any way of iluminating the blue lights on the other disks so I can at least identify the faulty disk without 'unconfiguring' them?

There are 4 hard disks present in the machine - only three show up.


Code:
# cfgadm -al
Ap_Id Type Receptacle Occupant Condition
c0 scsi-bus connected configured unknown
c0::dsk/c0t0d0 CD-ROM connected configured unknown
c1 scsi-bus connected configured unknown
c1::dsk/c1t0d0 disk connected configured unknown
c1::dsk/c1t2d0 disk connected configured unknown
c1::dsk/c1t3d0 disk connected configured unknown
c2 scsi-bus connected unconfigured unknown
usb0/1 unknown empty unconfigured ok
usb0/2 unknown empty unconfigured ok

Thanks,

Sparcman

Last edited by Scott; 03-01-2010 at 11:18 AM.. Reason: Code tags
# 2  
Old 03-01-2010
It seems that only controller c1 is being used for disks in the below output.

From the below c1t1d0 is missing. The "dmesg" output or /var/adm/messages should shed some light to confirm this.

cfgadm -fc unconfigure c1::dsk/c1t1d0 ( i seriously doubt this will work,since this is not showing up in cfgadm output)

To start the led blinking. ( Not all boxes support these , please check syntax too)

luxadm /dev/cxtxdx led_blink
luxadm /dev/cxtxdx led_off
luxadm /dev/cxtxdx led_on

---------- Post updated at 04:20 PM ---------- Previous update was at 04:12 PM ----------

one another hint which may be useful. ( Not technicall at all Smilie )

Try "iostat -En" to identify the working disk serial number & try to match with the existing disks , if the serial number is displayed in the front of the disk you can identify it easily ( in our environment the serial number is pasted on the front as well as on top of the disk)
# 3  
Old 03-01-2010
if c1t1d0 is your failed disk(confirmed), then plug it out. not necessary to run cfgadm . Make sure the disk is not in use (example, mirror of SVM etc).
After plug out, run devfsadm -Cv to clean up the device links.
# 4  
Old 03-02-2010
MySQL

Hi Guys,

Thanks for your replies. The system doesn't support the luxadm led_blink command unfortunately. I'll go by the serial numbers.

Thanks,

Sparcman
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