Hi,

I recommend you to check all SW and FW versions (HBA, Switch, MDR).

Furthermore, read the LEGATO TECHNICAL BULLETIN 373: SCSI or TPRLO Reset
Causes Corruption (Windows).

We had the same problems and adding dedicated HBA's for tape devices solved
the problem. This is a general rule in building a SAN (Windows, UNIX, ...).

regards,
Patrick Sibilio


On Tue, 19 Nov 2002 02:27:08 -0500, Johan Robinson
<johan.robinson AT PROACT DOT SE> wrote:

>Hi Brian!
>
>You say all servers can see the tapedrives?
>
>This is not recommended. Actually you should in a fabric environment zone
>tapedrives so that only the hosts that need the device could see them and
>only the tapedrives. The hosts which should be able to see the drives,
>would not be able to see eachother. This could be done by port-level-
>zoning or by WWN-zoning. My guess is that if you have  a Compaq SAN, this
>is BROCADE switches right? This should help.
>
>Also you mention servers sets the drives to clean, this is a known W2K bug
>which is mentioned at http://support.microsoft.com/default.aspx?scid=kb;en-
>us;Q319313 this also applies a hotfix to correct this problem.
>
>Depending on which HBA's you're using you could also do some binding at
>the host-level to WWN/device.
>
>The MDR's are preferrably set to fabric-mode in a fabric environment,
>aswell as the HBA's.
>
>
>Good Luck!
>
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