topic Re: cdrom mount problem in Operating System - HP-UX

cdrom mount problem

ahmad nasser osman — Thu, 24 Nov 2005 04:44:46 GMT

hi

I typed this:
mount -r -F cdfs /dev/dsk/c0t0d0 /cdrom

the system returns:
/dev/dsk/c0t0d0: Device busy

there is no disk in the cdrom. how can i fix this?

thanx

Re: cdrom mount problem

Eric Antunes — Thu, 24 Nov 2005 04:48:34 GMT

Hi,

You need to put a CD in your CD-ROM in order to mount it.

Best Regards,

Eric

Re: cdrom mount problem

Joseph Loo — Thu, 24 Nov 2005 05:25:55 GMT

hi,

very interesting.

how do someone place a disk in a CDROM??

regards.

Re: cdrom mount problem

ahmad nasser osman — Thu, 24 Nov 2005 20:10:49 GMT

HI Eric

I did as your advice: putting the cd in the cdrom player and the same thing happenned. I guest it need to be reconfigured... can you help? I just got this server and this is the first time I'm using the cdrom player.

thanx in advanced

Re: cdrom mount problem

Joseph Loo — Thu, 24 Nov 2005 20:49:51 GMT

hi,

verify the device file of CDROM:

# ioscan -fnC disk

verify if directory for CDROM to be mounted is created, if not create it.

start to mount:

# mount -F cdfs -o cdcase
e.g. # mount -F cdfs -o cdcase /dev/dsk/c0t2d0 /cdrom

regards.

Re: cdrom mount problem

ahmad nasser osman — Thu, 24 Nov 2005 21:42:44 GMT

hi joseph

this what i did:

# ioscan -FnC disk
scsi:wsio:T:T:F:31:188:0:disk:sdisk:10/0/14/0.0.0:5 128 2 33 0 0 0 0 8 142 58 215 0 0 0 0 :0:root.sba.lba.side.tgt.sdisk:sdisk:CLAIMED:DEVICE:LITEON CD-ROM LTN485S:0
/dev/dsk/c0t0d0 /dev/rdsk/c0t0d0
scsi:wsio:T:T:F:31:188:151552:disk:sdisk:10/0/15/0.5.0:0 0 3 2 0 0 0 0 208 29 251 123 118 237 221 135 :1:root.sba.lba.c720.tgt.sdisk:sdisk:CLAIMED:DEVICE:QUANTUM ATLAS5-9LVD:2
/dev/dsk/c2t5d0 /dev/rdsk/c2t5d0
scsi:wsio:T:T:F:31:188:155648:disk:sdisk:10/0/15/0.6.0:0 0 3 18 0 0 0 0 168 193 164 66 243 120 131 19 :2:root.sba.lba.c720.tgt.sdisk:sdisk:CLAIMED:DEVICE:HP 36.4GST336607LC:2
/dev/dsk/c2t6d0 /dev/rdsk/c2t6d0
# ls /cdrom
# cd /
# ls
.rnd cdrom etc lib mnt opt tmp
.sw data gridware local net sbin usr
bin dev home lost+found nohup.out stand var
# mount -F cdfs -o cdcase /dev/dsk/c0t2d0 /cdrom
mount: /dev/dsk/c0t2d0: No such file or directory
#
# mount -F cdfs -o cdcase /dev/dsk/c0t0d0 /cdrom
/dev/dsk/c0t0d0: Device busy
#
---------------------
I opened SAM and went to "Disks and File Systems". the CDROM is listed in the File Systems:

/cdrom CDFS /dev/dsk/c0t0d0

clicked on "Actions"->"Add Local File System"->"Not Using the Logical Volume Manager"

SAM responsed "can find unused disk"

I went to "List"->"Disk Devices" here is the description for the cdrom:

10/0/14/0.0.0 1 CDFS -- 0 LITEON CD-ROM LTN485S (READ ONLY)

what shud i do now?

regards & thanx

Re: cdrom mount problem

Joseph Loo — Thu, 24 Nov 2005 21:58:03 GMT

hi,

try a few things:

run "diskinfo -v /dev/rdsk/c0t0d0" to confirm its connected

check that no pfs daemons are using the device "ps -ef | grep pfs"

run "fuser -cu /cdrom"

also, which version of UX is the server on:

# uname -a

regards.

Re: cdrom mount problem

ahmad nasser osman — Thu, 24 Nov 2005 22:22:54 GMT

hi joseph

here are the outputs:

# diskinfo -v /dev/rdsk/c0t0d0
SCSI describe of /dev/rdsk/c0t0d0:
vendor: LITEON
product id: CD-ROM LTN485S
type: CD-ROM
size: 0 Kbytes
bytes per sector: 0
rev level: JKF1
blocks per disk: 0
ISO version: 0
ECMA version: 0
ANSI version: 2
removable media: yes
response format: 1
# fuser -cu /cdrom
/cdrom: fuser: could not find file system mounted at /cdrom.
# ps -ef | grep pfs
# uname -a
HP-UX ahmad B.11.11 U 9000/785 2014918784 unlimited-user license
#

=========
is it file system not defined?

regards & thanx

Re: cdrom mount problem

Joseph Loo — Thu, 24 Nov 2005 22:33:09 GMT

hi,

u may need to recreate the device file for the CDROM:

# rm /dev/dsk/c0t0d0
# rm /dev/rdsk/c0t0d0
# insf -e
or
# insf -H

verify if device file create:
# ioscan -fnC disk

then try to mount again.

regards.

Re: cdrom mount problem

Sameer_Nirmal — Thu, 24 Nov 2005 23:58:06 GMT

Hi ,

Try
# fuser -ku /dev/dsk/c0t0d0

Re: cdrom mount problem

ahmad nasser osman — Fri, 25 Nov 2005 03:36:46 GMT

hi

i tried this and still didn't work.

# fuser -ku /dev/dsk/c0t0d0
/dev/dsk/c0t0d0:

# rm /dev/dsk/c0t0d0
# rm /dev/rdsk/c0t0d0
# insf -e
insf: Installing special files for btlan instance 0 address 10/0/12/0
insf: Installing special files for audio instance 0 address 10/0/13/0
insf: Installing special files for sdisk instance 0 address 10/0/14/0.0.0
insf: Installing special files for sctl instance 0 address 10/0/14/0.7.0
insf: Installing special files for asio0 instance 0 address 10/0/14/1/1
insf: Installing special files for asio0 instance 1 address 10/0/14/1/2
insf: Installing special files for SCentIf instance 1 address 10/0/14/1/3
insf: Installing special files for hub instance 0 address 10/0/14/2.1
insf: Installing special files for hid instance 0 address 10/0/14/2.1.2
insf: Installing special files for hid instance 1 address 10/0/14/2.1.3
insf: Installing special files for sdisk instance 1 address 10/0/15/0.5.0
insf: Installing special files for sdisk instance 2 address 10/0/15/0.6.0
insf: Installing special files for sctl instance 1 address 10/0/15/0.7.0
insf: Installing special files for sctl instance 2 address 10/1/4/0.7.0
insf: Installing special files for sdm instance 0 address es
insf: Installing special files for pseudo driver cn
insf: Installing special files for pseudo driver mm
insf: Installing special files for pseudo driver devkrs
insf: Installing special files for pseudo driver ptym
insf: Installing special files for pseudo driver ptys
insf: Installing special files for pseudo driver ip
insf: Installing special files for pseudo driver arp
insf: Installing special files for pseudo driver rawip
insf: Installing special files for pseudo driver tcp
insf: Installing special files for pseudo driver udp
insf: Installing special files for pseudo driver stcpmap
insf: Installing special files for pseudo driver nuls
insf: Installing special files for pseudo driver netqa
insf: Installing special files for pseudo driver dmem
insf: Installing special files for pseudo driver telm
insf: Installing special files for pseudo driver tels
insf: Installing special files for pseudo driver tlclts
insf: Installing special files for pseudo driver tlcots
insf: Installing special files for pseudo driver iomem
insf: Installing special files for pseudo driver tlcotsod
insf: Installing special files for pseudo driver dmp
insf: Installing special files for pseudo driver vols
insf: Installing special files for pseudo driver dev_config
insf: Installing special files for pseudo driver strlog
insf: Installing special files for pseudo driver sad
insf: Installing special files for pseudo driver echo
insf: Installing special files for pseudo driver dlpi
insf: Installing special files for pseudo driver ptm
insf: Installing special files for pseudo driver pts
insf: Installing special files for pseudo driver beep
insf: Installing special files for pseudo driver framebuf
insf: Installing special files for pseudo driver diag1
insf: Installing special files for pseudo driver klog
insf: Installing special files for pseudo driver sy
insf: Installing special files for pseudo driver kepd
insf: Installing special files for pseudo driver diag2
insf: Installing special files for pseudo driver root
# ioscan -fnC disk
Class I H/W Path Driver S/W State H/W Type Description
=======================================================================
disk 0 10/0/14/0.0.0 sdisk CLAIMED DEVICE LITEON CD-ROM LTN485S
/dev/dsk/c0t0d0 /dev/rdsk/c0t0d0
disk 1 10/0/15/0.5.0 sdisk CLAIMED DEVICE QUANTUM ATLAS5-9LVD
/dev/dsk/c2t5d0 /dev/rdsk/c2t5d0
disk 2 10/0/15/0.6.0 sdisk CLAIMED DEVICE HP 36.4GST336607LC
/dev/dsk/c2t6d0 /dev/rdsk/c2t6d0
# mount -F cdfs -o cdcase /dev/dsk/c0t0d0 /cdrom
/dev/dsk/c0t0d0: Device busy
# mount -r -F cdfs /dev/dsk/c0t0d0 /cdrom
/dev/dsk/c0t0d0: Device busy

==========================
it is still didn't work.... i wonder how to fix this ??

thanx & regards

Re: cdrom mount problem

Muthukumar_5 — Fri, 25 Nov 2005 03:49:00 GMT

/cdrom is already mounted. Try to do as,

umount /cdrom

or

# mkdir /CDROM
# mount -r -F cdfs /dev/dsk/c0t0d0 /CDROM

Refer these links:
http://forums1.itrc.hp.com/service/forums/parseCurl.do?CURL=%2Fcm%2FQuestionAnswer%2F1%2C%2C0xb28fca7ffda80b4aa2065f9900fe39aa%2C00.html&admit=-682735245+1132908407138+28353475
http://forums1.itrc.hp.com/service/forums/parseCurl.do?CURL=%2Fcm%2FQuestionAnswer%2F1%2C%2C0x9ecdd7d96cbad711900a0090279cd0f9%2C00.html&admit=-682735245+1132908525998+28353475

hth.

Re: cdrom mount problem

Joseph Loo — Fri, 25 Nov 2005 03:55:12 GMT

hi,

it does not make sense.

have u place any CD-ROM in the CD-ROM drive to begin with?

regards.

Re: cdrom mount problem

Eric Antunes — Fri, 25 Nov 2005 04:08:25 GMT

Hi gurus,

/dev/dsk/c0t0d0 is it ok?

Ahmad,

Please post the following:

#vi /etc/pfs_fstab

Best Regards,

Eric Antunes

Re: cdrom mount problem

V. Nyga — Fri, 25 Nov 2005 04:09:36 GMT

Hi,

as Muthu already told - you have written:

'I opened SAM and went to "Disks and File Systems". the CDROM is listed in the File Systems:

/cdrom CDFS /dev/dsk/c0t0d0 '

So the device was already mounted.
Try to umount it 'umount /cdrom'.

You can also try to reboot workstation and then check with SAM, if CDROM is still mounted at /cdrom.

'mount' only can work if the device is not yet mounted.

HTH
Volkmar

Re: cdrom mount problem

ahmad nasser osman — Fri, 25 Nov 2005 04:21:10 GMT

hi all
thanx for all your inputs, i tried all of them and here are the results. by the way, a CDROM is always in the player.

# umount /cdrom
umount: cannot find /cdrom in /etc/mnttab
cannot unmount /cdrom
# more mnttab
/dev/vg00/lvol3 / vxfs log 0 1 1132886853
/dev/vg00/lvol1 /stand hfs defaults 0 0 1132886854
/dev/vg00/lvol8 /var vxfs delaylog,nodatainlog 0 0 1132886858
/dev/vg00/lvol7 /usr vxfs delaylog,nodatainlog 0 0 1132886858
/dev/vg00/lvol4 /tmp vxfs delaylog,nodatainlog 0 0 1132886858
/dev/vg00/lvol6 /opt vxfs delaylog,nodatainlog 0 0 1132886858
/dev/vg00/lvol5 /home vxfs delaylog,nodatainlog 0 0 1132886858
/dev/vg01/lvol1 /data vxfs delaylog,nodatainlog,nolargefiles 0 0 1132886858

# mount -r -F cdfs /dev/dsk/c0t0d0 /CDROM
/dev/dsk/c0t0d0: Device busy

# more /dev/dsk/c0t0d0
/dev/dsk/c0t0d0: Device busy

#more # more /etc/pfs_fstab
/etc/pfs_fstab: No such file or directory

=============
pfs_fstab not exist! mnttab also has no definition for the cdrom.

regards

Re: cdrom mount problem

V. Nyga — Fri, 25 Nov 2005 04:30:25 GMT

Hi again,

can you reboot the server?

I would suggest, that you take the cd out of the cdrom, then reboot. The device should not be busy after reboot, as long as there's no cd in it and you don't run automounter.
Then try mounting again.

You also could try to create a new directory and mount to the new dir, this sometimes work for me, but as long as the system says 'dev busy' ... I don't believe that this will work.

V.

Re: cdrom mount problem

Muthukumar_5 — Fri, 25 Nov 2005 04:37:42 GMT

Same problem. Look at here.

http://forums1.itrc.hp.com/service/forums/parseCurl.do?CURL=%2Fcm%2FQuestionAnswer%2F1%2C%2C0x9ecdd7d96cbad711900a0090279cd0f9%2C00.html&admit=-682735245+1132911434705+28353475

hth.

Re: cdrom mount problem

ahmad nasser osman — Fri, 25 Nov 2005 04:45:36 GMT

hi all

thanx for all your help, finally this is a known problem that requires a patch to be installed. I will be working on it, thanx for all your responses!!

ahmad.