HP StorageWorks 2.64 Core Switch - Manual (Page 62)

Zoning Concepts and Guidelines
62 Zoning Version 3.1.x/4.1.x User Guide
Implementing Zoning
The first step to implementing zoning is to devise a naming convention. It is
important that this convention be consistent, that it produces meaningful names,
and that it be used consistently. We will then take a look at implementing zoning
in a new fabric and then how to implement it in an existing fabric that does not
conform to the single HBA zoning method.
Naming Convention
Typically, there are three types of devices that can have an alias. These are the
server HBA, the disk storage device, and the tape device. New devices such as
virtualization devices may also require an alias. Any device that acts as either a
SCSI initiator or SCSI target will have an alias. A suggested scheme follows.
Each alias has three components: device type, device identifier and port location.
The device type is:
■ SRV - for servers
■ STO - for storage
■ TPE - for tape
■ VRA - for virtualization appliance
The device identifier can be the host name for the server, the serial number, or
frame identifier for the storage. The port location should allow the administrator
to physically find the device port where the fiber is attached. A suggestion would
be the PCI slot on a server, the fiber port on the storage frame, or the port on a tape
drive. If a unit has only one port then this field can be omitted or identifier “SNG”
for single attach used. Some examples:
■ SRV_MAILSERVER_SLT5 a server, host name mailserver, in PCI slot 5.
■ TPA_LTO9_SNG a tape, LTO drive number 9, and it is single attached.
■ STO_DSK3456_5Ca storage unit, serial id 3456 on the fifth card in port C.
The shorter names are easier to remember and less prone to typing errors. Do not
sacrifice meaning for shortness.
In a similar manner, zones should be named for the initiator they contain. For the
server alias above, the zone would be ZNE_MAILSERVER_SLT5. This clearly
identifies the server HBA that is associated with the zone.