[parisc-linux] Strange offset with file system parition

[parisc-linux] Strange offset with file system parition

[Bruno Vidal]

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	Hi
I've succeded to produce my first dump using IODC.
I've retrieve it, but I had some difficulties
with ms-dos parition. I'm using "gendisk_head"
to retrieve start/end of a parition. For my sda1
it find 32768. So I'm writing at start+PAGE_SIZE
-> in my case it should be 0x8000 + 0x1000
And When I look by using 
dd if=/dev/sda skip=9 bs=4096 count=1 | hexdump
It's fine, I'm on the right place.

But when doing:
dd if=/dev/sda1 skip=1 bs=4096 count=1 | hexdump
-> I'm not good ?????
There is a difference of 0x600:

hexdump /tmp/sda1.bin | more
0000000 0000 0000 0000 0000 0000 0000 0000 0000
*
0001600 a819 0173 618f 23ed 0000 0005 0000 0778
0001610 0000 0008 0000 1000 0000 0000 0004 0000

-> I found my magic number 0x600 to fare.

But

# hexdump /tmp/sda.bin | more
.
.
0009000 a819 0173 618f 23ed 0000 0005 0000 0778

-> that okay !!!!!!!

So my question: where this difference come from ?

Thanks.


-- 
	Vidal Bruno, (770-4271)
        SSD-HA Team, HP-UX & LINUX Support
	bruno_vidal@admin.france.hp.com

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