HP StorageWorks Scalable File Share - Manual (Page 4)

5 Using HP SFS Software................................................................................................31
5.1 Creating a Lustre File System..........................................................................................................31
5.2 Configuring Heartbeat....................................................................................................................32
5.2.1 Preparing Heartbeat................................................................................................................33
5.2.2 Generating Heartbeat Configuration Files Automatically......................................................33
5.2.3 Configuration Files..................................................................................................................34
5.2.3.1 Generating the cib.xml File..........................................................................................35
5.2.3.2 Editing cib.xml.............................................................................................................36
5.2.4 Copying Files...........................................................................................................................36
5.2.5 Starting Heartbeat...................................................................................................................36
5.2.6 Monitoring Failover Pairs........................................................................................................36
5.2.7 Moving and Starting Lustre Servers Using Heartbeat............................................................37
5.2.8 Things to Double-Check..........................................................................................................37
5.2.9 Things to Note.........................................................................................................................37
5.3 Starting the File System...................................................................................................................38
5.4 Stopping the File System.................................................................................................................38
5.5 Testing Your Configuration.............................................................................................................39
5.5.1 Examining and Troubleshooting.............................................................................................39
5.5.1.1 On the Server...................................................................................................................39
5.5.1.2 On the Client...................................................................................................................41
5.6 Lustre Performance Monitoring......................................................................................................41
6 Licensing Information...................................................................................................43
7 Known Issues and Workarounds................................................................................45
7.1 Server Reboot...................................................................................................................................45
7.2 Errors from install2....................................................................................................................45
7.3 Application File Locking.................................................................................................................45
7.4 MDS Is Unresponsive......................................................................................................................45
7.5 Changing group_upcall Value to Disable Group Validation.....................................................45
7.6 Configuring the mlocate Package on Client Nodes......................................................................46
7.7 Multipath Performance Optimization.............................................................................................46
7.8 System Behavior After LBUG..........................................................................................................46
A HP SFS G3.0-0 Performance......................................................................................47
A.1 Benchmark Platform.......................................................................................................................47
A.2 Single Client Performance..............................................................................................................48
A.3 Throughput Scaling........................................................................................................................50
A.4 One Shared File..............................................................................................................................52
A.5 Stragglers and Stonewalling...........................................................................................................52
A.6 Random Reads................................................................................................................................53
Index.................................................................................................................................55
4 Table of Contents