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тАО09-09-2003 11:22 AM
тАО09-09-2003 11:22 AM
Do I need to do anything other than arrayfmt -F to wipe out data on 12H disk array?
Vince
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тАО09-09-2003 11:25 AM
тАО09-09-2003 11:25 AM
Re: Do I need to do anything other than arrayfmt -F to wipe out data on 12H disk array?
0) If necessary, back up the data on the array
1) Unmount all the filesystems that are using the VGs/LVs one the array
2) Deactivate the VG (vgchange -a n vg??)
3) export the VG so that no traces of it are left on your box (vgexport vg??)
4) Now you can format the array if you wish. That should render the data unusable.
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тАО09-09-2003 11:44 AM
тАО09-09-2003 11:44 AM
Re: Do I need to do anything other than arrayfmt -F to wipe out data on 12H disk array?
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тАО09-10-2003 01:41 AM
тАО09-10-2003 01:41 AM
Re: Do I need to do anything other than arrayfmt -F to wipe out data on 12H disk array?
As I see you want to achieve 2 tasks:
- deconfigure 12h in the OS;
- make 12h's data unrecoverable by next possible user.
Backup data. Unmount lvols. Deactivate VGs (vgchange -a n). vgexport VGs. Then fill 12h's LUNs with garbage (dd if=/dev/console of=/dev/rdsk/cXtYdZ bs=1024k, I think /dev/console is the right one to use for reading garbage). After doing this rmsf all 12h related device files. Then go to 12h and format it from control panel.
Note: if you'll format 12h then I guess it will simply clear maps not really format drives physically. The same for deleting/creating LUNs. If you'll create new LUN and will not write any data on it then actual size this LUN will consume on 12h disks will be 0. As soon as you'll be writing data 12h will be allocating more and more data for this LUN. So this is important to make sure filling whole original LUNs with garbage before doing anything else with 12h
Eugeny
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тАО09-10-2003 01:51 AM
тАО09-10-2003 01:51 AM
Re: Do I need to do anything other than arrayfmt -F to wipe out data on 12H disk array?
Eugeny