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тАО03-11-2004 12:22 AM
тАО03-11-2004 12:22 AM
3 REPLIES 3
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тАО03-11-2004 12:38 AM
тАО03-11-2004 12:38 AM
SolutionSorry, but the "mka500" syntax is the indication for a tape-drive. The CD-ROM is either representrd by DKA500 or DQA0.
To boot from it towards single user mode use:
>>>b -fl s dka500
If/when after that, the installation GUI comes up, use the "File" pulldown menu and select 'Quit', which brings you to the shell prompt.
If the intention of this CD-boot is to overwrite an existing installation, then remember to first >>>set bootdef_dev "".
Johan.
_JB_
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тАО03-11-2004 01:43 AM
тАО03-11-2004 01:43 AM
Re: How to boot to single mode with CDROM?
Johan , Thanks a lot ...
In fact, I want to use vdump and vrestore utilities to repair the usr&var domain .
below is the procedure:
Original system disk is rz16. data_domain#data (/dev/rz17c) is another filesystem which big enough to hold all the system dump file.
Make a valid system full backup
1) vdump -0uf /data/root.dmp /
2) vdump -0uf /data/usr.dmp /usr
3) vdump -0uf /data/var.dmp /var
recreate the system advfs.
1) boot system to single mode with cdrom.
2)mkfdmn /dev/rz16a root_domain
mkfset root_domain root
mkfdmn /dev/rz16g usr_domain
mkfset usr_domain usr
3)mkdir /etc/fdmns/data_domain (mount the data_domain filesystem.
cd /etc/fdmns/data_domain
ln -s /dev/rz17c
mkdir /var/mnt
mount data_domain#data /var/mnt
4)restore the whole operating system├в s filesystem.
1) mount root_domain#root /mnt
2) vrestore -xvf /var/mnt/root.dmp
3) umount /mnt
4) mount usr_domain#usr /mnt
5) vrestore -xvf /var/mnt/usr.dmp
after I finish these ,should I still need to set the >>>set bootdef_dev?
Than
In fact, I want to use vdump and vrestore utilities to repair the usr&var domain .
below is the procedure:
Original system disk is rz16. data_domain#data (/dev/rz17c) is another filesystem which big enough to hold all the system dump file.
Make a valid system full backup
1) vdump -0uf /data/root.dmp /
2) vdump -0uf /data/usr.dmp /usr
3) vdump -0uf /data/var.dmp /var
recreate the system advfs.
1) boot system to single mode with cdrom.
2)mkfdmn /dev/rz16a root_domain
mkfset root_domain root
mkfdmn /dev/rz16g usr_domain
mkfset usr_domain usr
3)mkdir /etc/fdmns/data_domain (mount the data_domain filesystem.
cd /etc/fdmns/data_domain
ln -s /dev/rz17c
mkdir /var/mnt
mount data_domain#data /var/mnt
4)restore the whole operating system├в s filesystem.
1) mount root_domain#root /mnt
2) vrestore -xvf /var/mnt/root.dmp
3) umount /mnt
4) mount usr_domain#usr /mnt
5) vrestore -xvf /var/mnt/usr.dmp
after I finish these ,should I still need to set the >>>set bootdef_dev?
Than
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тАО03-11-2004 01:49 AM
тАО03-11-2004 01:49 AM
Re: How to boot to single mode with CDROM?
Hi,
as Johan said, it is only necessary in case of a new installation from cd.
btw:
show dev on console prompt shows the devices and the cd you can recognize by CD-... or RR..D
Michael
as Johan said, it is only necessary in case of a new installation from cd.
btw:
show dev on console prompt shows the devices and the cd you can recognize by CD-... or RR..D
Michael
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