Manual

User Guide Page vi
6.2.5
 QSFP (Quad Small Form-factor Pluggable) HBA (Host Bus Adapter) ...............................................6-2
6.3 How Xsan Storage Is Organized ............................................................................................... 6-2
6.4 Xsan Storage Breakdown .......................................................................................................... 6-3
6.4.1 LUNs ....................................................................................................................................................6-3
6.4.2 Storage Pools ........................................................................................................................................6-3
6.4.3 Volumes ...............................................................................................................................................6-4
6.5 How Xsan Uses Available Storage ............................................................................................ 6-4
6.5.1 Metadata and Journal Data ...................................................................................................................6-4
6.5.2 Striping at a Higher Level ....................................................................................................................6-5
6.6 Setting Up an ExaSAN-enabled Xsan ....................................................................................... 6-5
6.6.1 Connecting Computers and Storage to ExaSAN Switch ......................................................................6-5
6.6.2 Connecting Xsan Metadata Private Ethernet Network .........................................................................6-5
6.6.3 Check LUNs from the System Profiler .................................................................................................6-5
6.6.4 Install Xsan Software on Xsan Metadata Controllers and All Clients ..................................................6-6
6.6.5 Configuring the Xsan ...........................................................................................................................6-8
6.6.6 Creating an Xsan Volume .................................................................................................................. 6-13
6.6.6.1 Labeling LUNs ........................................................................................................................... 6-13
6.6.6.2 Creating a Volume ...................................................................................................................... 6-14
6.6.7 A Sample Xsan Volume Configuration .............................................................................................. 6-15
6.6.7.1 Checking LUNs from the Xsan Admin ...................................................................................... 6-16
6.6.7.2 Labeling LUNs ........................................................................................................................... 6-16
6.6.7.3 Creating an Xsan Volume ........................................................................................................... 6-17
6.6.7.4 Mounting or Un-mounting a Volume ......................................................................................... 6-20
6.7 Managing Xsan Storage ........................................................................................................... 6-21
6.7.1 Expanding the Capacity of Xsan Volume .......................................................................................... 6-21
6.7.2 Performance Optimized ExaSAN Configuration ............................................................................... 6-22
6.7.3 Measuring the Total Xsan Volume Bandwidth .................................................................................. 6-23
6.8 Managing Xsan Clients ............................................................................................................ 6-23
6.8.1 Adding an Xsan Client ....................................................................................................................... 6-23
6.8.2 Mounting a Volume on a Client ......................................................................................................... 6-24
6.9 Get Xsan Help ........................................................................................................................... 6-25
7. Migrating from PCIe DAS to ExaSAN ............................................................................................. 7-1
7.1 DAS Configuration ..................................................................................................................... 7-1
7.2 Expanding to Xsan ..................................................................................................................... 7-1
7.3 Copying Files from DAS Volume to Xsan Volume.................................................................. 7-2
7.4 Repurposing the DAS RAID to Enlarge the Xsan Volume .................................................... 7-2
7.5 Expanding the Xsan Clients ...................................................................................................... 7-3
8. ExaSAN LUN Masking Overview ..................................................................................................... 8-1
8.1 What is LUN Masking ............................................................................................................... 8-1
8.2 Accessing LUN Masking ............................................................................................................ 8-1
8.3 Managing LUN MASKING ....................................................................................................... 8-1
8.4 LUN Masking Applications: Virtual Private Storage ............................................................. 8-3
Appendices .............................................................................................................................................. 8.4-1