CF card and /dev filesystem entries

[Roland Smith]

On Wed, Nov 16, 2005 at 10:12:00AM +0000, Brian Candler wrote:
> Running FreeBSD 6.0 here.
> 
> I have a USB-attached floppy/CF/SD combo reader. On powerup it is detected
> and I get /dev/da0 as the CF slot:
> 
> da0 at umass-sim0 bus 0 target 0 lun 0
> da0: <OEI-USB CompactFlash 2.0> Removable Direct Access SCSI-0 device 
> da0: 1.000MB/s transfers
> da0: Attempt to query device size failed: NOT READY, Medium not present
> da1 at umass-sim0 bus 0 target 0 lun 1
> da1: <OEI-USB SM/MS/SD 2.0> Removable Direct Access SCSI-0 device 
> da1: 1.000MB/s transfers
> da1: Attempt to query device size failed: NOT READY, Medium not present
> 
> However, when I insert a CF card with normal partioning I need /dev/da0s1,
> and this is not present in the /dev filesystem because the partition table
> has not been read.
<snip>
> The only way I can see to *force* the superblock to be read is to attempt to
> mount the whole device as if it were unpartitioned. This is sufficient to
> cause the /dev/da0s1 entry to appear in the /dev filesystem.
<snip>
> At this point, everything works as expected.
> 
> My question is: is there an easier or more direct way to cause the partition
> table of the CF card to be read and the /dev filesystem to update?

Try 'camcontrol rescan all' (as root).

Roland
-- 
R.F.Smith (http://www.xs4all.nl/~rsmith/) Please send e-mail as plain text.
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