topic Re: need direction in Operating System - HP-UX

need direction

justin_29 — Tue, 11 Jun 2002 13:28:27 GMT

I looking into wiping a hp 9000 running hp-ux 11. Can anyone point me towards good resources on how to do it the right way. Let me know if you need to know more specific info... i'm a windows guy

Re: need direction

Pete Randall — Tue, 11 Jun 2002 13:30:29 GMT

If, by wiping, you mean cleaning it of everything useful, you could always do this (as root):
cd /
rm -rf

Pete

Re: need direction

PIYUSH D. PATEL — Tue, 11 Jun 2002 13:34:59 GMT

Hi,

go to root

rm -rf *

You can also export the volumegroups by

vgexport /dev/vg01

#mediainit -v /dev/rdsk/c1t2d0

do a mediainit for all the disks in the system or

#pvcreate -f /dev/rdsk/c1t2d0

These two commands will format the disks.

Piyush

Re: need direction

MANOJ SRIVASTAVA — Tue, 11 Jun 2002 13:36:59 GMT

Hi Justin

There are two aspects to it

1.Do you need data , if so then it will be better you take abckups and also take backups ora tleast a hard copy of the importasnt system files inc ae you are asked to reterive some data after sometime.

2.The wiping stuff is simple , geranlly you would need to delete the root disk , (incase you are loading new OS then you dont even need to do this new OS laoding will take care of wiping )and alos the data from the data disks , you can use rm -rf < directory name >

Manoj Srivastava

Re: need direction

Shahul — Tue, 11 Jun 2002 13:37:17 GMT

Hi

For wiping out there are n number of ways. If U want to make a system non bootabl, go to /stand and do this

#cd /stand
#rm vmunix*

If U want to delete the contents of a HDD, U can use this command

#pvcreate -f /dev/rdsk/cxtxdx

If U want to delete all data regardless of HDD, do this

#cd /
#rm -r

best of luck
Shahul

Re: need direction

Martin Johnson — Tue, 11 Jun 2002 15:19:51 GMT

How about a damp cloth?

:-)
Marty

Re: need direction

Christopher McCray_1 — Tue, 11 Jun 2002 15:22:18 GMT

That was bad, Marty..

Boooooo!!

;^)

Chris

Re: need direction

harry d brown jr — Tue, 11 Jun 2002 15:33:51 GMT

Justin,

more info is needed.

--> What do you mean by "wipe"

--> What does your system look like now? Maybe post the output from "/opt/ignite/bin/print_manifest"?

--> What do you plan on using the server for or are you planning on disposing it?

live free or die
harry

Re: need direction

Christopher McCray_1 — Tue, 11 Jun 2002 15:40:04 GMT

Hello,

I'm assuming you are referring to a government system. If the server is unclassified, then the afore mentioned mediainit command will suffice and removing all of your network-specific information from vg00 is fine unless you were storing data on vg00. You may then want to use a degauser in this case. If the classification is higher, you need a DoD erase program like Unishred for hpux. I don't have one and all I can say is talk to your security folks about this.

Hope I was helpful

Chris

Re: need direction

harry d brown jr — Tue, 11 Jun 2002 15:44:15 GMT

Justin,

Secure?

If you are at Los Alamos, do us all a favor and put the disks into a burn bag after smashing it with a sledge hammer. :-)))))))) Also, make sure to sweep up the bits off the floor, we don't want anyone piecing them back together :--)))

live free or die
harry

Re: need direction

John Dvorchak — Wed, 12 Jun 2002 14:42:50 GMT

Those all al good answers especially the Damp Cloth....very funny. But if you want to actually write over the data stored on the disk then look at:
man mediainit

Mediainit was intended to format tapes but it will write over the entire contents of a disk and used to be the final step in preparing a disk for service in a server.

>mediainit -v /dev/dsk/c_t_d_

It will take a few minutes to an hour to "init" the driveh, depending on the size (15 min for 2Gb here) but recovering data from the disk will be very difficult even for a lab.

If you are really worried about security or have to comply with DOD then remove the disks and smash and if possible shred them.