Ed Durrant wrote:
> Duncan Way wrote:
>> I have a Western Digital Mybook external hard drive that I have
added a second primary 
>> partition to (using Acronis Disk Director).
>> However, it seems that I need to add the /MP parameter to danidasd
for it to be seen by 
>> Warp4 fp15.
>> I can't seem to find any info on this parameters settings.
>> Could someone explain or show what this /MP should look like or
where I can get 
>> documentation for it?
>>
>> Thanks,
>> Duncan Way
>>
> 
> Documentation is in DANIDASD.DOC in the zip package, but there's no 
> mention of any /MP parameter.

   That should have said there's no full documentation on the /MP 
parameter - as you'll see below, I tracked this down for you.

> 
> COMMAND LINE OPTIONS
> This driver supports all switches and options OS2DASD.DMD supports. For
> an explanation of these look into the OS/2 online help (by picking
> 'OS/2 Commands by name'/ 'BASEDEV...'/'OS2DASD...') and the updates 
> found in the fixpak documentation.
> For the sake of completeness, these are the OS2DASD options:
> /of : treat optical units like disk units (i.e. MO drives as additional
> 	   removable disks)
> /lf : treat removable disks like large floppies (i.e. not partitioned).
> /mp : reserve a number partitions for removable media units (see OS2DASD
> 	   docs for details).
> 
> 
> So you need to refer to the OS2DASD docs as Dani's driver will accept 
> the same settings apparently.
> 
> 
> Here's that doco:
> 
>   4.1.3  CONFIGURING PARTITION SUPPORT (OS2DASD)
> 
> BASEDEV=OS2DASD.DMD [/LF] [/MP:(disk,count)[,(disk,count)]]
> 
> PARAMETER      DESCRIPTION
> 
> /LF            Forces all removable devices to be treated as Large
>                 Floppy rather than partitioned media.
> 
> /MP            Used to support allocating a predetermined number of
>                 drive letters for a partitioned removable media device.
>                 Note that this option only applies to partitioned
>                 removable devices, and is ignored for any other device
>                 type.
> 
> If the /MP parameter is used, then:
> 
> SUB-PARAMETER  DESCRIPTION
> 
> DISK           The integer disk number of the device, as reported by
>                 FDISK, or the wildcard character * to specify all
>                 partitioned removable devices.
> COUNT          The integer count of the number of partitions to reserve
>                 for the device.  If the wildcard character * is used, it
>                 specifies a default number of drive letters to reserve
>                 for all partitioned removable devices.  Specifying a
>                 count for a particular disk will override this default.
>                 Also, if there is media in the device at boot time, and
>                 it has more partitions which are eligible to receive
>                 drive letters than there are drive letters
>                 reserved for the device through the /MP option, then the
>                 number of drive letters reserved for the device will be
>                 increased so that every eligible partition on the media
>                 will have a drive letter.
> 
> If the /MP option is not used, the rules for determining the number of 
> drive letters reserved for a partitioned removable media device are as 
> follows:
> 
>    o   If there is no media in the drive at boot time, or the media in
>        the drive has no valid partitions, then one drive letter is
>        reserved for the device.
> 
>    o   If there is media in the drive at boot time and the media has
>        valid partitions which are eligible for drive letters, the number
>        of drive letters is equal to the number of eligible partitions on
>        the media.
>        Media which is formatted in floppy mode is treated as a single
>        partition and allocated a single drive letter.
> 
> 
> Have Fun !  (but make sure you have a backup of any critical data first)
> 
> Cheers/2
> 
> Ed.
> 


 
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