Mksysb on CD-R
CD-R is now supported as a mksysb media on AIX 4.3.3. You can produce a
backup and restore it on CD-R. There are three types of Cds that can be
created.
+Personal system backup (same function as mksysb backup on tape media)
+Generic Backup (Boot and install any Rs6000 platform(rspc, rs6k and chrp)
+Non-Bootable Volume group backup(used to install AIX after booting.
1)YOU MUST USE 74 minute CD-Rs
2)You need to obtain the third party hardware and software
Software:
GNU & Free Software Foundation, Inc.
cdrecord version 1.8a5,mkisofs version 1.5
3) You will need to link sample scripts that have been written that will work
with the mkcd command. I.e, for the Jodian software:
ln -s /usr/samples/oem_cdwriters/mkrr_fs_jodian /usr/sbin/mkrr_fs
ln -s /usr/samples/oem_cdwriters/burn_cd_jodian /usr/sbin/burn_cd
ADDITIONAL NOTES ON CD-R
Multi-volume support is not there for 4.3.3.0, but will be available in the future.
(bos.sysmgt.sysbr 4.3.3.1 APAR IY02960)
You will need extra file system space to create the CD's. Unlike tapes where
files can be written driectly to the tape, a CD image must be created in the file
system first, before copying to the CD. The mkcd command will create the
following filesystems: /mkcd/mksysb_image, /mkcd/cd_fs, and
/mkcd/cd_images. The space used in these file systems will only be
temporary. Each file system could require over 640 mgs of space. you will
need to have 645 megabytes of free space. Remember this is just for the
/mkcd/cd_images directory, more may be needed for the other filesystems as
well.
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