Re: Boot from USB PRM (Partitioned Removable Media ) failed after loading OS2LVM.DMD error: "OS/2 is unable to operate your hard diskordiskette drive"

On Mon, 14 Aug 2006 Rainer Stroebel wrote:

BTW, Du bist einfacher zu lesen, wenn Du nur das nötigste zitierst.

"The known parameters from the NEWDASD beta package /RF (removable as
fixed) - now activated by default - [...]"

It does change something at my eCs 1.2R test partition - code level
without any upgrade

Odd, it shouldn't. The feature stems from pre-LVM times (1997), so maybe
the code is still there in the LVM-aware OS2DASD.DMD and causes unexpect
effects.

The Icons for the removables are different in the drives folder with /RF
and without. It does not change the icons in my MCP2 partition -with all
current fixes and Kernel 14.104a

Probably the old icon wasn't replaced in eCS, because its appearance wasn't
expected.

At boot from the USB the os2lvm.dmd driver is displayed ( ALT - F2
active ) a little longer with /RF before the error message comes up.

From the Readme of the NewDASD Beta 2:

-+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+-

Drive letters for removable media, regardless of partition type, will
be placed AFTER the normal fixed disks IN DISK ORDER (ie., all primary
AND extended partitions, if any, from the first removable disk,
followed by next disk, etc)

If no media is detected at boot time, one drive letter will be
allocated. If, subsequently, media is inserted that has multiple
partitions, only the first partition will be accessible. This will
not cause any problems with the unaccessed partition.

If MULTIPLE partitions are detected on the media at boot time, the
media will NOT be removable, except at reboot. All partitions will
then be accessible.

-+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+-

So it takes some time until all checks are done. With LVM this is done when
called with /RediscoverPRM after boot.

I have looked for a way to verify this :-) have not found anything.

Maybe Chuck McKinnis can write something regarding the changed icon
resources in eCS?

The HDD maintenance mini system with boot to the command prompt shows a
problem:

[first access of PRM produces SYS0015, subsequent accesses succeed]

This is through for a FAT or a HPFS maintenance partition
any ideas ??????

The drive wasn't "discovered" yet. But the access initiated the discovery
process?

the drive is not read for reading the country command from config.sys
via the protected mode drivers - the basedev driver just load before

It should be ready for an read command !

May be there is an bug in the basedev drivers and an work around
is implemented via the usb monitor /

via lvm /RediscoverPRM as you questioned

OS/2 fails to pass access via INT13h to the driver. Did you try to load
USBMSD before all other ADDs (or even without the other *.ADDs)? Do the
DEVICE statements include drive letters or just a backslash?

/Olli/
--
WarpUpdates International/Deutschland
http://www.warpupdates.mynetcologne.de/

.

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