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тАО06-17-2005 01:03 PM
тАО06-17-2005 01:03 PM
What are the best practices to install the patches on hpux ? In case new kernal doesn't build properly then how to recover back the system ?
Thanks,
Shiv
Solved! Go to Solution.
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тАО06-17-2005 01:46 PM
тАО06-17-2005 01:46 PM
SolutionIt's also a good idea to do a make_tape_recovery (or make_net_recovery) but I don't do that. My favorite method is to create raw disk lifeboat copies of the boot disk(s) --- this is in addition to normal mirroring. My lifeboats are done weekly or just prior to patch installs. In that case, all you have to do is shutdown, move the lifeboat(s) to the boot slot(s) and you are backup much quicker than you can say Ignite. Lifeboats can get you out of messes (really, really bad patches; your own stupidity) that mirrors do not.
Remember, you always vmunix.prev without doing anything special to get you back up no matter how bad a kernel build fails. Having a lifeboat available is the best way to insure that you won't need it --- it's one of God's little jokes.
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тАО06-17-2005 03:06 PM
тАО06-17-2005 03:06 PM
Re: patching phux 11i
HP recommended solution is Ignite backup only . no more else . please take the ignite backup using the
#make_tape_recovery
see the man page for more options
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тАО06-17-2005 03:48 PM
тАО06-17-2005 03:48 PM
Re: patching phux 11i
what do you do? load the Ignite-tape, and boot from the tape.
also, as A. Clay mentioned, you can also boot via specify a PREVIOUS good name-list file called vmunx prev.
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тАО06-17-2005 04:44 PM
тАО06-17-2005 04:44 PM
Re: patching phux 11i
thanks
Devesh
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тАО06-17-2005 05:11 PM
тАО06-17-2005 05:11 PM
Re: patching phux 11i
as the rest have mentioned, always BACKUP before proceeding if any patches. do a make_tape_recovery as well to be doubly sure.
here is some steps to install patches from ITRC:
http://www1.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000072657142
to rebuild a new kernel:
. Execute the "system_prep" script to extract a current copy of your system file into /stand/build/system:
cd /stand/build
/usr/lbin/sysadm/system_prep -v -s system
. Remove the driver in question from /stand/build/system (here "seah")
. Build the kernel:
mk_kernel -s system
The mk_kernel command creates /stand/build/vmunix_test.
. Move the old system file and kernel so if anything goes wrong, you still have a bootable kernel:
mv /stand/system /stand/system.prev
mv /stand/vmunix /stand/vmunix.prev
. Move the new system file and new kernel into place, ready to be used when you reboot the system:
mv /stand/build/system /stand/system
mv /stand/build/vmunix_test /stand/vmunix
. Run getkinfo to rebuild SAM's boot.config file:
/usr/sam/lbin/getkinfo -b
. Prepare for rebooting by invoking the kmupdate command. This sets a flag that tells the system to use the new kernel when it restarts:
/usr/sbin/kmupdate
. Reboot the system using the shutdown(1M) command
regards.
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тАО06-21-2005 02:42 AM
тАО06-21-2005 02:42 AM
Re: patching phux 11i
Whatever patches you want to install before
go make_tape_recovery at first,
try to read pacthes's readme files and try to
understand what does it fix?
Also try to decide you really need or not!!!
:-)
and Finally have a look my attachment
Good Luck,
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тАО06-21-2005 02:47 AM
тАО06-21-2005 02:47 AM
Re: patching phux 11i
Part of a boatload of documents in docs.hp.com
make_tape_recovery before any patch install.
Attend HP World in San Francisco. On August 14, I'm giving a seminar with a few real life scenarios and perhaps a few friendly itrc forums hecklers.
:=)
Steven "Shmuel" Protter
http://www.isnamerica.com
http://www.isnamerica.com/contactsep.shtml
See my HP ITRC profile at http://forums1.itrc.hp.com/service/forums/publicProfile.do?userId=CA569821&forumId=1
I'll be giving a seminar at HP-World Sanfrancisco, August 14, 2005.
For more information, visit http://www.hpworld.com/
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com