On 10.12.15 20:05, Ian Lepore wrote: > On Thu, 2015-12-10 at 10:37 +0000, Andrey V. Elsukov wrote: >> Author: ae >> Date: Thu Dec 10 10:37:12 2015 >> New Revision: 292058 >> URL: https://svnweb.freebsd.org/changeset/base/292058 >> >> Log: >> Remove a note about damaged PMBR. Now GPT will be detected >> automatically >> with such corruption. >> >> MFC after: 1 month > > Will all of these changes add up to it being impossible to make a > device NOT be recognized as gpt once it has had gpt on it? > It's typical to dd some zeroes to the start of a volume to clean out > old info, but if geom is going to aggressively ressurect a purposely > -nuked GPT based on the backup info (which is hard to find and dd over > by hand) this is going to add up to a lot of frustration for those of > us who have to frequently work with regenerating sdcard and CF images.
If you want to make device to not be recognized as GPT, you should use 'gpart destroy -F <device>' this will destroy first two sectors where PMBR and primary GPT header are located, also it will destroy the last sector with backup GPT. -- WBR, Andrey V. Elsukov
signature.asc
Description: OpenPGP digital signature
