HP 3PAR F-Class, T-Class, StoreServ 10000 Storage Troubleshooting Guide (QL226-96953, May 2013)

Figure 57 Numbering of Disks on a Drive Magazine
Numbers for drive chassis components are assigned:
• From bottom to top.
• From rear to front (in reference of disks).
• In the order indicated by Table 4 (page 51).
Table 11 Numbering System for Drive Chassis Components
Running from...Are Numbered...The Following Components...
bottom to top0,1,...Drive cages
left to right0,1FC-AL modules
——Fibre Channel ports
top to bottomA0,B0FC-AL 0
A1,B1FC-AL 1
left to right0,1,2,3,4,5,6,7,8,9Drive magazine
rear to front0,1,2,3Hard drives on the drive magazine
Drive Magazine Allocation
Drive magazines are equally distributed between drive cages and placed on different loops and
internal power domains.
Figure 18 (page 52) illustrates the loading order of drive magazines for highest availability and
data protection.
NOTE: Refer to the HP 3PAR Systems Assurance Document for drive magazine allocation
instructions for a specific layout.
Understanding Component Numbering 51