On Wed, 17 May 2006 15:44:13 EDT, [email protected] said: > As far as I can tell, the boot ROM snarfs up the first 512 byte block, and then > looks for the 'IBMA' magic cookie, then looks at offset 0x1BE for a > bog-standard 4-entry partition table, and a 0x55AA at offset 0x1FE. > > Additionally, there will be an *ASCII* '_LVM' in the first 4 bytes of physical > 512-byte block 7, denoting the start of the LVM control record. > > I'd say if you find both the IBMA *and* _LVM cookies intact, you declare it > an AIX volume. Oh, one other check - the partition type(s) are set to 0x08 or 0x09 (AIX boot and data partition flags). Other things use those 2 values as well, but they won't have the _LVM cookie.
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