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Full Discussion: Update OpenBoot Prom from CD
Operating Systems Solaris Update OpenBoot Prom from CD Post 302886536 by hicksd8 on Saturday 1st of February 2014 12:34:18 PM
Old 02-01-2014
Yes, if you've mounted your hard disk filesystem under /a then it will be writable/editable. Similarly, if you mount writable media under /mnt then that will be writable too.

I'm really not understanding your situation here I think.

You've downloaded a firmware update and unzipped it. Did you do that on this Sparc box or elsewhere?

Anyway, what/where is that update now? On what media?

Provided you can read that then you should be able to flash it into the SC.

How did you get on with trying another Solaris CD?

Another idea is that if you suspect that the 10u9 you have is too late for the OBP, can you get a prior Solaris version to see if that will install?
Then you could update your firmware with that, and then install 10u9.
 

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mkcd(1M)						  System Administration Commands						  mkcd(1M)

NAME
mkcd - create bootable Solaris ISO image SYNOPSIS
/usr/bin/mkcd -v [-l label] media-root iso DESCRIPTION
The mkcd utility takes media-root (the root of an on-disk Solaris install media) as input and creates a bootable Solaris ISO image in the file iso, using mkisofs(8). The file can then be burned onto a CD/DVD with utilities such as cdrw(1) or cdrecord(1). (Neither mkisofs(8) nor cdrecord(1) are SunOS man pages.) Caution - The directory tree media-root must contain the file boot/grub/stage2_eltorito, which will be written to the media boot sectors. This file will be modified with some boot information, thus it must be writable. If necessary, first save a copy prior to running this utility. OPTIONS
The following options are supported: -l label Sets label as the label/volume name of the ISO image. -v Verbose. Multiple -v options increase verbosity. OPERANDS
The following operands are supported: media-root Top-level directory of an on-disk Solaris install media. iso Name of the output file which will contain the resulting ISO image. EXAMPLES
Example 1 Creating an ISO Image and Burning a CD/DVD The following commands create an ISO image from the content of s10u1 and burn the image to a CD/DVD. # /usr/bin/mkcd s10u1 s10u1.iso # /usr/bin/cdrw -i s10u1.iso ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ SEE ALSO
cdrw(1), attributes(5) mkisofs(8), (/usr/share/man/man8/mkisofs.8), in the SUNWfsman package (not a SunOS man page) SunOS 5.11 25 Jul 2008 mkcd(1M)
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