3 – Planning
Device Access
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3.2
Device Access
Consider device access needs within the fabric. Access is controlled by the use of
zones and zone sets. Some zoning strategies include the following:
Group devices by operating system.
Separate devices that have no need to communicate with other devices in
the fabric or have classified data.
Separate devices into department, administrative, or other functional group.
Reserve a path and its bandwidth from one port to another.
A zone is a named group of devices that can communicate with each other.
Membership in a zone can be defined by switch domain ID and port number, port
Fibre Channel address, or by device worldwide name (WWN). Devices can
communicate only with devices within the same zone. The SANbox 5600 Series
switch supports both hard and soft zones. A zone can be a member of more than
one zone set. Several zone sets can be defined for a fabric, but only one zone set
can be active at one time. The active zone set determines the current fabric
zoning.
A zoning database is maintained on each switch consisting of all inactive zone
sets, the active zone set, all zones, aliases, and their membership. Table 3-1
describes the zoning database limits, excluding the active zone set. Refer to the
SANbox 5600 Series Switch Management User’s Guide for more information
about zoning.
Table 3-1. Zoning Database Limits
Limit Description
MaxZoneSets Maximum number of zone sets (256).
MaxZones Maximum number of zones (2000).
MaxAliases Maximum number of aliases (2500).
MaxTotalMembers Maximum number of zone and alias members (10000)
that can be stored in the switch’s zoning database.
MaxZonesInZoneSets Maximum number of zones that are components of zone
sets (2000), excluding the orphan zone set, that can be
stored in the switch’s zoning database. Each instance of
a zone in a zone set counts toward this maximum.
MaxMembersPerZone Maximum number of members in a zone (2000)
MaxMembersPerAlias Maximum number of members in an alias (2000)
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