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3. Type the following command to determine the SCSI bus, target, and lun
4. Insert a blank, writable CD into the DVD/CD-RW drive; then, type the following
5. Use the instructions that come with the ISO image to install the firmware
Linux operating system unable to mount root file system
Description: Changes to the hard disk drive enumeration can invalidate the root
partition specified in the elilo.conf file so that the operating system cannot locate the
root file system. In this event, the operating system will not start, and a kernel panic
condition will occur. Review the following actions that might change the hard disk
drive enumeration:
v Moving the startup drive from one hard disk drive bay to another.
v Adding hard disk drives to any node in a single-node or multinode configuration.
v Changing the scalable partition by adding or removing nodes with hard disk
The following notes describe additional information you must consider when
troubleshooting the condition:
v The following variables affect the hard disk drive enumeration:
16
xSeries 455 FAQ: Hints and Tips
parameters for the DVD/CD-RW drive in the server:
# cdrecord -scanbus
Data similar to the following example is displayed:
scsibus0:
0,0,0
0) 'IBM-ESXS' 'ST318305LC
0,1,0
1) 'IBM-ESXS' 'ST318305LC
0,2,0
2) *
0,3,0
3) *
0,4,0
4) *
0,5,0
5) *
0,6,0
6) *
0,7,0
7) *
0,8,0
8) 'IBM
' '25P3495a S320 1' '1 ' Processor
scsibus2:
2,0,0
200) 'HL-DT-ST' 'RW/DVD GCC-4160N' '0012' Removable CD-ROM
2,1,0
201) *
2,2,0
202) *
2,3,0
203) *
2,4,0
204) *
2,5,0
205) *
2,6,0
206) *
2,7,0
207) *
command to copy the firmware update from the xSeries 455 ISO image to the
CD:
# cdrecord -v dev=b,t,l ISO_image_file
where ISO_image_file is the name of the xSeries 455 ISO image file, b is the
SCSI bus, t is the SCSI target, and l is the SCSI lun for your DVD/CD-RW
device.
updates.
drives attached.
– PCI bus number
– Controller sequence on a PCI bus
!#' 'B244' Disk
!#' 'B244' Disk
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