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тАО01-20-2004 02:27 AM
тАО01-20-2004 02:27 AM
I have a HP9000/K380 that I want to totally erase everything from the drives. In addition to the internal drives it has 2 storage enclosures with drives that I also want to erase. Is there a utility around that will do multiple passes to wipe the drive (similar to Autoclave for IDE drives)? TIA
Paul Gronbach Jr
Iowa Mold Tooling Co.
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тАО01-20-2004 03:12 AM
тАО01-20-2004 03:12 AM
Solutionthere is no such utility, I think the standard procedure is to use
umount /mount_point of /dev/vgxyz/lvol1
dd if=/dev/zero of=/dev/vgxyz/rlvol1 bs=1024k
and let it run until you get an I/O error (you can repeat this if you like, but usually that is considered to suffice)
Regards
Bernhard
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тАО01-21-2004 02:33 AM
тАО01-21-2004 02:33 AM
Re: Erasing Disk Drives
mediainit initializes mass storage media by formatting the media,writing and reading test patterns to verify media integrity, then sparing any defective blocks found. This process prepares the disk or tape for error-free operation. Initialization destroys all existing user data in the area being initialized.
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тАО01-22-2004 05:26 AM
тАО01-22-2004 05:26 AM
Re: Erasing Disk Drives
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тАО01-22-2004 09:35 AM
тАО01-22-2004 09:35 AM
Re: Erasing Disk Drives
I would use dd either with /dev/zero or /dev/urandom. I remember reading somewhere, mediainit could render the disk useless, but I can't find it anymore.
Michael
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тАО01-23-2004 06:09 AM
тАО01-23-2004 06:09 AM
Re: Erasing Disk Drives
# diskinfo /dev/rdsk/c#t#d#
On all LUNs on the disk array does it work ??