On Sat, 26 Nov 2011, Robert wrote:
Some difference today. Not sure at what point this happened but one of
my CF cards now reads:
[robert@dell64] ~> fdisk /dev/da1
******* Working on device /dev/da1 *******
parameters extracted from in-core disklabel are:
cylinders=2057 heads=255 sectors/track=63 (16065 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=2057 heads=255 sectors/track=63 (16065 blks/cyl)
fdisk: invalid fdisk partition table found
Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 63, size 33045642 (16135 Meg), flag 80 (active)
beg: cyl 0/ head 1/ sector 1;
end: cyl 8/ head 254/ sector 63
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
Now showing 16GB but still not right.
...
I also did this in single user with the same results. Ideally, I would
like to change these cards to FAT32 but I cannot get there with fdisk
and am not sure how to get there with gpart or if I can.
Creating an MS-DOS layout with gpart(8), where the disk is da0:
# gpart destroy -F da0
da0 destroyed
# gpart create -s mbr da0
da0 created
# gpart add -t "\!11" da0
da0s1 added
11 is 0x0b, the FAT32 partition type. There might be a more mnemonic
string for it, this is the first time I've ever used gpart for FAT32.
The exclamation is for gpart/GPT, and the backslash is to keep the shell
from messing with it.
# gpart show da0
=> 63 15662997 da0 MBR (7.5G)
63 15662997 1 fat32 (7.5G)
# ls /dev/da0*
/dev/da0 /dev/da0s1
# newfs_msdos -F32 /dev/da0s1
fdisk(8) may be easier, just set the partition type to 11.
I haven't had any luck with the second CF card as it still show 29MB.
I will try some more later today or tomorrow.
What happened to make the one card show 16G?
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