HP StorageWorks Scalable File Share - Manual (Page 5)

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5.7 Managing quotas................................................................................................................... 5-37
5.7.1 Understanding quota tuning ................................................................................................ 5-37
5.7.2 Configuring quotas on a file system...................................................................................... 5-38
5.7.2.1 Step 1: Verifying that the quota option is enabled on the HP SFS system .............................. 5-38
5.7.2.2 Step 2: Enabling quota functionality on a file system ......................................................... 5-39
5.7.2.3 Step 3: Preparing the client nodes to use quotas on the file system ...................................... 5-39
5.7.2.4 Step 4: Configuring user and group information on a file system......................................... 5-40
5.7.2.5 Step 5: Activating quota functionality on a file system........................................................ 5-40
5.7.2.6 Step 6: Specifying quota limits for users and/or groups ..................................................... 5-40
5.7.3 Checking quota limits ......................................................................................................... 5-41
5.7.4 Disabling quota functionality on one or all file systems ........................................................... 5-42
5.8 Managing supplementary groups resolution............................................................................... 5-42
5.9 Creating a system nickname .................................................................................................... 5-42
5.10 Deleting file systems................................................................................................................ 5-43
5.11 Managing space on OST services ............................................................................................ 5-43
5.11.1 Managing out-of-space alerts .............................................................................................. 5-44
5.11.2 Identifying files on OST services........................................................................................... 5-44
5.11.3 Deactivating OST services................................................................................................... 5-44
6 Verifying, diagnosing, and maintaining the system
6.1 Verifying the system .................................................................................................................. 6-2
6.1.1 Verifying the system configuration and diagnosing errors using the syscheck command................ 6-2
6.1.2 Verifying the operation of the power management................................................................... 6-6
6.1.3 Verifying EVA4000 storage failover configuration ................................................................... 6-8
6.1.4 Confirming the status of SFS20 hardware using the hpacucli utility............................................. 6-9
6.1.4.1 Identifying SFS20 array serial numbers.............................................................................. 6-9
6.1.4.2 Reviewing SFS20 array information................................................................................. 6-10
6.1.4.3 Identifying Smart Array 6404 HBA controller serial numbers .............................................. 6-14
6.1.4.4 Reviewing Smart Array 6404 HBA controller information................................................... 6-14
6.1.5 Verifying LUN performance................................................................................................. 6-15
6.1.5.1 Verifying the performance of all unmirrored OST LUNs ...................................................... 6-15
6.1.5.2 Verifying the performance of LUNs on a single server ........................................................ 6-17
6.1.6 Verifying the management network ...................................................................................... 6-20
6.1.7 Verifying the operation of supplementary groups ................................................................... 6-20
6.1.7.1 Verifying the operation of the ssh connection.................................................................... 6-20
6.1.7.2 Verifying access for supplementary groups....................................................................... 6-20
6.1.8 Interconnect diagnostics...................................................................................................... 6-21
6.1.8.1 Testing Gigabit Ethernet interconnect performance ............................................................ 6-21
6.1.8.2 Examining the Myrinet interconnect ................................................................................. 6-23
6.1.8.2.1 Examining the Myrinet adapter and interconnect link .................................................... 6-23
6.1.8.2.2 Testing Myrinet interconnect performance using the net_test.bash command .................... 6-25
6.1.8.2.3 Testing Myrinet interconnect performance using the gm_allsize command........................ 6-27
6.1.8.3 Examining the Quadrics adapter and interconnect link ...................................................... 6-30
6.1.8.3.1 Testing for presence of Quadrics adapter .................................................................... 6-30
6.1.8.3.2 Running the qselantest diagnostics.............................................................................. 6-30
6.1.8.3.3 Example output from a qselantest test.......................................................................... 6-32
6.1.8.3.4 Testing Quadrics interconnect performance ................................................................. 6-34
6.1.8.4 Examining the Voltaire InfiniBand interconnect HCA adapter and interconnect link................ 6-35
6.1.8.4.1 Testing for presence of Voltaire HCA adapter .............................................................. 6-35
6.1.8.4.2 Testing Voltaire InfiniBand interconnect performance..................................................... 6-35
6.1.9 Client performance diagnostics............................................................................................ 6-36
6.1.9.1 Sequential OST service tests ........................................................................................... 6-36
6.1.9.2 Parallel OST service tests................................................................................................ 6-37
6.1.9.3 Overall file system performance tests ............................................................................... 6-39
6.2 Managing email alerts ............................................................................................................ 6-39
6.2.1 Configuring default email alert addresses ............................................................................. 6-40
6.2.2 Configuring email alerts ..................................................................................................... 6-40
6.2.3 Constructing email alert filters.............................................................................................. 6-41
6.2.4 Default email alerts ............................................................................................................ 6-41