Sun Microsystems Fire X4540, Administration Manual

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102 Sun Fire X4500/ X4540 Servers Administration Guide • October 2008
1. Assume you know that the logical disk node is
c4t0d0
. Type the following
command:
The physical slot is displayed, showing where the disk is connected. For example,
this hard disk is attached to SATA controller 2, and port
0
:
2. Unconfigure the disk to turn on Blue "Ready to Remove" LEDbefore removal.
To unconfigure the disk, you must suspend activity on the SATA device. For
example, type the following command:
3. Verify that the disk has been unconfigured by typing the following command:
The following information shows that the disk has been unconfigured:
Note –
The blue LEDs indicate that the disks that are safe to remove.
4. Remove the disk from the chassis.
Note – If the process of unconfiguring the disk failed, the disk might be in use by
ZFS, UFS, or some other entity. See “Checking Disk Usage” on page 104 .
Correcting Unconfigure Operation
Failure
If a disk unconfigure operation fails, check to see if the system is in the correct state,
and that a utility is not using the disk. See
“Checking Disk Usage” on page 104 .
#
cfgadm -al| grep c4t0d0
c0::dsk/c0t4d0 disk connected configured unknown
# cfgadm -c unconfigure c0::dsk/c0t4d0
# cfgadm -al | grep c0t4d0
c0::dsk/c0t4d0 disk connected unconfigured unknown