HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 - (English) Advanc - Page 289

Managing LUNs Using Array Manager 60 you can perform the following tasks: • Binding and unbinding LUNs • Calculating LUN capacity • Changing LUN ownership • Replacing a LUN Binding a LUN Binding LUNs is one of the most common tasks you will perform in managing the disk array. A number of settings allow you to define the LUN configuration. Before binding a LUN, make sure you understand what each of the settings does and how it will impact LUN behavior. See "Configuring LUNs" on page 242 for factors that may influence how you bind a LUN. Before binding a LUN, you may want to calculate how much capacity the LUN will provide with the disks and settings you intend to use. Refer to "Calculating LUN Capacity" on page 292 for instructions on performing this task. Note How long does it take to bind a LUN? The time it takes to bind a LUN depends on the size of the LUN you are creating. The larger the LUN, the longer it takes. For example, binding a RAID 5 LUN with 18-Gbyte disks can take up to 60 minutes. To bind a LUN, type: amcfg -L : -d ,,..... -r • cntrlrID - identifies the controller (A or B) that will assume ownership of the LUN. • LUN - number assigned to the LUN. It must not conflict with an existing LUN number. • channel:ID - identifies the channel and SCSI ID of each disk included in the LUN. Only unassigned disks can be used for the LUN. Multiple disks must be specified with no spaces between each disk. See "Selecting Disks for a RAID 0/1 LUN" on page 243 for more information if you are binding a RAID 0/1 LUN. Managing the Disk Array on HP-UX Managing the Disk Array Using Array Manager 60 289