-CDROM trouble

2007-12-25 8:13:00

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Thanks Sun Guru's. Very good responses, Very Good tips.

The Original questions....was lost, but it asked:

Why is my old " mount /cdrom" command not working?

The Answer is that there are two types CDROM's; hsfs and ufs.

Can Sun spell "Lable the $%#& thing!"?

When using non-sun CDROM -t option should be -t hsfs.

Sun CDROM's are ufs (4.2 filesystem) so mount -r <dev> <mnt_point>works.

Thanks to everyone!

Here are some nice tips:

The CDROM you are trying to mount may be a Unix (type 4.2) CD, and not an

ISO-9960 (hsfs) type. Most Sun CDROMs are like this. I have the following

two lines in all my /etc/fstab's for this reason;

/dev/sr0 /cdrom hsfs ro,noauto,usermount_access 0 0

/dev/sr0 /cd 4.2 ro,noauto,usermount_access 0 0

That way I can try

# mount /cdrom

and if I get an error,

# mount /cd

The latest OS related CD's from Sun are no longer in HSFS format, they

are type "4.2". [Course, just to make life interesting some of the

others are still hsfs.]

Paul Hyder NCAR

# Paul A. Hepp Internet: paul@naicu.edu Voice: 202-347-7520

# National Association of Independent Colleges and Universities NAICU

# National Institute of Independent Colleges and Universities NIICU

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# Paul A. Hepp Internet: paul@naicu.edu Voice: 202-347-7520

# National Association of Independent Colleges and Universities NAICU

# National Institute of Independent Colleges and Universities NIICU

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