A zOS managed Powderhorn library may have Fibre drives along with ESCON,
FICON and SCSI. Powderhorn libraries may be managed by HSC on zOS or by
ACSLS (typically running on a small SUN server). Regardless of who
controls the Powderhorn library, you may have a mix of clients including
zOS, zLinux, Unix, AS400 attaching their own drives with their preferred
channel type.
The key is not to confuse control path with data path. Various clients
can talk to zOS via TCPIP while they talk to the drive via Fibre or
SCSI. Running zLinux on a zOS managed library is not a problem.
(zLinux/TSM would use the FICON channel defined type=FCP). zLinux/TSM
would not share the other zOS/zVM ESCON/FICON drives.
Lee Reiersgord
Systems Engineer
Data Management Group
Sun Microsystems/STK
-----Original Message-----
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
David Boyes
Sent: Saturday, January 07, 2006 8:49 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: z/Linux, TSM 5.3, and STK
>> Don't blame STK. It won't work. TSM on Linux does not support
non-SCSI
>>tape at all.
> In fact these drives are using, for what I know, SCSI over FC and
appear
> to the operating system as SCSI tape devices.
If you have FCP drives installed, then it will work, as you say. That's
still pretty rare in the mainframe world, as z/OS does not yet support
FCP, and most people buy robots for use with z/OS.
> And, it will work, we've done that, TSM does use TSM device drivers to
> access the tape devices.
That library is also (more) commonly installed with channel-attached
drives which do *not* work with TSM.
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