T10000 - Fibre Channel Topologies Supported by T10000 Drives

Asset ID:	1-71-1014156.1
Update Date:	2012-07-30
Keywords:

Solution Type Technical Instruction Sure

Solution 1014156.1 : T10000 - Fibre Channel Topologies Supported by T10000 Drives

Applies to:

Sun StorageTek T10000A Tape Drive - Version Not Applicable and later
Sun StorageTek T10000B Tape Drive - Version Not Applicable and later
All Platforms
Checked for relevance on 30-July-2012.

Goal

This document describes T10000 - Fibre Channel Topologies Supported by T10000 Drives.

Fix

Steps to Follow
Fibre Channel topologies that the T10000 drives support are listed below:

T10k-2gb FCP (SCSI) protocol
1. N-to-N port connections, i.e. Direct connect, HBA N-port directly connected to T10k N-port.
2. N-to-F port connections, i.e. Switch connected, Switch F-port directly connected to T10k N-port.
3. NL-to-NL port connections, i.e. Private Loop, HBA NL-port to T10k NL-port via Loop port Hub or not.
4. NL-to-FL port connections, i.e. Public Loop, Switch FL-port to T10k NL-port via Loop port Hub or not.

T10k-4gb FCP (SCSI) protocol
1. N-to-N port connections, i.e. Direct connect, HBA N-port directly connected to T10k N-port.
2. N-to-F port connections, i.e. Switch connected, Switch F-port directly connected to T10k N-port.
SEE NOTE 1.

T10k-2gb FICON protocol
1. N-to-N port connections, i.e. Direct connect, HBA N-port directly connected to T10k N-port.
2. N-to-F port connections, i.e. Switch connected, Switch F-port directly connected to T10k N-port.
See NOTE 2.

T10k-4gb FICON protocol
1. N-to-N port connections, i.e. Direct connect, HBA N-port directly connected to T10k N-port.
2. N-to-F port connections, i.e. Switch connected, Switch F-port directly connected to T10k N-port.

Legend:
NOTE 1: The T10k-4gb drive utilizes a Qlogic In-line Credit Extender (ICE) chip that gives it the ability to support up to 600 Buffer to Buffer credits to support long distance up to 100km. However it does NOT support Loop mode.

NOTE 2: The FICON protocol does not support Loop mode, regardless of what the drive hardware supports.
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As for Leadville, it does not support the point to point (N-N), hence a T10000 FC 4GB is not supported by Sun when connected in direct attach to a Solaris[TM] server. Such configuration requires the use of a FCP switch.

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