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тАО01-26-2006 04:20 AM
тАО01-26-2006 04:20 AM
What should I copy if I have to do a OS backup?
Woul you pls tell me what to do before the backup and what to copy to assure the backup is trusted?
Best regards
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тАО01-26-2006 04:47 AM
тАО01-26-2006 04:47 AM
Re: What should I copy if I have to do a OS backup?
To do OS backup, you must save your filesystems somewhere.
It is ussually done by making data copies on tape unit. The best way is to use vdump (if using advfs) or dump (if usinf ufs). You must backup your "OS file systems" or do entire backup.
I will make an example:
I prefer to do it in single user mode in v4.0F:
# init s
# mount -a
# vdump -0f /dev/nrmt0h /
# vdump -0f /dev/nrmt0h /usr
# vdump -0f /dev/nrmt0h /var (if it is not linked in usr)
You can also vdump all file systems.
But you must backup / and /usr !!!
Replace your tape device name with nrmt0h.
In that case you can restore system from backup if something goes wrong.
Regards
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тАО01-26-2006 06:01 AM
тАО01-26-2006 06:01 AM
Re: What should I copy if I have to do a OS backup?
vdump -0uf /dev/tape/tape_device /
vdump -0uf /dev/ntape/tape_device /usr
vdump -0uf /dev/ntape/tape_device /var
I recommend that you do a backup to a local attached tape device.
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тАО01-26-2006 06:03 AM
тАО01-26-2006 06:03 AM
Re: What should I copy if I have to do a OS backup?
vdump -0uf /dev/rmtXh /
vdump -0uf /dev/nrmtXh /usr
And, if you have /var:
vdump -0uf /dev/nrmtXh /var
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тАО02-09-2006 04:46 AM
тАО02-09-2006 04:46 AM
Re: What should I copy if I have to do a OS backup?
I had backed up the OS and installed the patch, the installation was succesful... but when i try to rebuild the kernel an error appear...
I rebuild the kernel just after the installation finished without reboot the server with this instruction:
# duconfig -c ORACLE-TEST
Start de rebuild and a few minutes after appear this error:
kds.mod commoressed: branch relocation out-of range, bad object file produced, can't branch from 0x.... to 0x....
kds.mod commoressed: branch relocation out-of range, bad object file produced, can't branch from 0x.... to 0x....
....
kds.mod commoressed: branch relocation out-of range, bad object file produced, can't branch from 0x.... to 0x....
kds.mod commoressed: branch relocation out-of range, bad object file produced, can't branch from 0x.... to 0x....
*** Exit 1 (ignored)
chmod 755 a.out
chmod: a.out: No such file or directory
***Exit 4
Stop
Press
Do you want to edit the configuration file (y/n) [n]: n
*** NOTE ***
A new kernel for this machine could not be succesfuly created.
Restoring the original configuration file - /sys/config/ORACLE-TEST
Would any one pls expline to me what's happen? Would you pls help me??
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тАО02-09-2006 05:22 AM
тАО02-09-2006 05:22 AM
Re: What should I copy if I have to do a OS backup?
Joris