HP StorageWorks MSA 2/8 HP StorageWorks Zoning V3.1.x/4.1.x User Guide (AA-RS2 - Page 62
Implementing Zoning, Naming Convention, for single attach used. Some examples
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Zoning Concepts and Guidelines 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. 62 Zoning Version 3.1.x/4.1.x User Guide