Disabling rewind on close devices

From: Stuart Whitby (swhitby@legato.com)
Date: Wed Jan 08 2003 - 07:03:15 EST


Hello.

I've just come from a conversation with HP, in which they recommend
against using SCSI reserve on shared tape drives in a SAN
environment. The reason for this is that any problem with the
application will lock out the device entirely. What they recommend
is to use an HP kernel tunable called st_san_safe to stop rewind on
close devices being either created or used.

However, the environment I'm dealing with shares these devices
between HP, AIX and Solaris. Does anyone have any idea if there is
anything similar on Solaris (and ideally AIX) which will disable
rewind on close devices?

Cheers,

Stuart.
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