[CentOS] wiping out data on a disk (no physical acess to the machine)
Gordon Messmer
yinyang at eburg.comSun Jan 13 01:42:45 UTC 2013
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On 01/12/2013 04:35 PM, Reindl Harald wrote: > Usually if no service is running "dd if=/dev/zero of=/dev/your-sysdisk" > does crash more or less very late and if you destory the datadisks before > there is nearly zero chance to recover any data If I care enough to wipe the disks in a server, "usually" and "late" is not going to cut it. Any attempt by the kernel to read any filesystem is likely to cause a panic before wiping is complete. If you want to completely wipe a disk, you need the root filesystem to be somewhere else.
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