K 10 svn:author V 2 ae K 8 svn:date V 27 2012-04-26T05:17:25.610416Z K 7 svn:log V 265 MFC r234692: Read backup GPT header from the last LBA only when primary GPT header and table aren't valid. If they are ok, use hdr_lba_alt value to read backup header. This will make gptboot happy when GPT used atop of some GEOM provider, e.g. GEOM_MIRROR. END