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I want to run this method of secure deletion by some more eyes before I commit to it. I have a system that needs to be wiped completely before being sold and it's storage system is a RAID5 array of 4 SCSI drives connected to an LSI Logic (AMI) MegaRaid controller.
My theory of successfully, securely deleting the data on this drive beyond recovery abilities is to break the array apart and essentially make each disk it's own drive accessible like normal SCSI disks. Then, I'll use GNU shred on the SCSI devices for each disk.
After that, I'm figuring on reconfiguring the RAID array and setting up a new base system so the machine is prepared to be sold. Does anyone see a particular fault in my plan or should this do a pretty good job of obliterating data? If not, any suggestions?
-N
Well shred does 25 passes by default with different patterns, numbers, randoms, etc each time. I just wanted to make sure I'm not overlooking anything in particular, and I'm pretty sure I'm not... so long as I didn't miss any data to backup ;-)
-N
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