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From: Jeff on 9 Mar 2010 13:15
Hello,

I just pulled a Virtual Tape Library out of my backup environment and
am now having some stability issues with the remaining devices. In
working with the vendor, they suggested I check for ghost tape drives
that could cause issues. Sure enough they are there. When using
devcon, I run:

devcon findall =tapedrive

And a ton of devices like this show up:
SCSI\SEQUENTIAL&VEN_IBM&PROD_ULTRIUM-TD3&REV_8711\5&AF4D2D0&0&00050E:
IBM ULTRIU
M-TD3 SCSI Sequential Device

I then try to run a remove and get:
D:\temp>devcon remove "@SCSI\SEQUENTIAL&VEN_IBM&PROD_ULTRIUM-
TD3&REV_8711\5&AF4D
2D0&0&00050E"
SCSI\SEQUENTIAL&VEN_IBM&PROD_ULTRIUM-TD3&REV_8711\5&AF4D2D0&0&00050E:
Remove fai
led
No devices removed.

I know I can do this via device manager, but with the number of Media
Servers and devices, it would not be a fun excersize :)

Thanks in advance for any help,
Jeff
From: Mike [MSFT] on 12 Mar 2010 17:03
It seems that devcon can only remove devices that are currently present.
One option would be to modify the devcon source code to also remove
non-present devices (the source is available on MSDN). The change would be
one simple flag in the code and recompile.

-Mike

"Jeff" <jeffrey.m.wall(a)gmail.com> wrote in message
news:ca30df51-fd12-4f9b-a299-9149c736d86b(a)x23g2000prd.googlegroups.com...
> Hello,
>
> I just pulled a Virtual Tape Library out of my backup environment and
> am now having some stability issues with the remaining devices. In
> working with the vendor, they suggested I check for ghost tape drives
> that could cause issues. Sure enough they are there. When using
> devcon, I run:
>
> devcon findall =tapedrive
>
> And a ton of devices like this show up:
> SCSI\SEQUENTIAL&VEN_IBM&PROD_ULTRIUM-TD3&REV_8711\5&AF4D2D0&0&00050E:
> IBM ULTRIU
> M-TD3 SCSI Sequential Device
>
> I then try to run a remove and get:
> D:\temp>devcon remove "@SCSI\SEQUENTIAL&VEN_IBM&PROD_ULTRIUM-
> TD3&REV_8711\5&AF4D
> 2D0&0&00050E"
> SCSI\SEQUENTIAL&VEN_IBM&PROD_ULTRIUM-TD3&REV_8711\5&AF4D2D0&0&00050E:
> Remove fai
> led
> No devices removed.
>
> I know I can do this via device manager, but with the number of Media
> Servers and devices, it would not be a fun excersize :)
>
> Thanks in advance for any help,
> Jeff

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