Dell HPC Tiered Storage Solution
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Contents
Executive summary ..................................................................................................... 4
Introduction ............................................................................................................. 5
Dell tiered storage solution technical overview .................................................................. 6
TSS data paths ........................................................................................................ 8
CommVault Simpana 9 Data & Information Management software ............................................ 9
Key software features of CommVault Simpana 9 in HSM ................................................... 10
CommVault Simpana 9 Components ............................................................................ 10
User scenarios for tiered storage solution ....................................................................... 11
Migration policies .................................................................................................. 11
Data protection levels ............................................................................................ 11
Data backup and recovery ........................................................................................ 11
Performance and scaling ............................................................................................ 13
Single large file .................................................................................................... 14
Many small files for large total size data set ................................................................. 14
Single small file .................................................................................................... 15
Single file recall .................................................................................................... 15
ML6000 LTO5 Scalability .......................................................................................... 16
Optimizing and best practices ...................................................................................... 16
Improving throughput to storage media ....................................................................... 16
Increasing block size ................................................................................................. 17
Increasing job manager update interval .......................................................................... 17
Increasing data transfer throughput from the client ........................................................... 19
Increasing the pipeline buffers ..................................................................................... 20
Conclusion ............................................................................................................. 21
References ............................................................................................................. 21
Appendix A: TSS Recipe ............................................................................................. 22
Pre-install preparation ............................................................................................ 22
Installing CommVault agent: Interactive install .............................................................. 23
Installing CommVault agent: Clustered environment (NSS-HA) ............................................ 29
Installing CommVault agent: Commcell console ............................................................. 30
Configuring storage resources (example) ...................................................................... 40
Configuring a tape device (ML6000 Tape Library) ........................................................... 44
Configuring storage policies ..................................................................................... 48
Configuring subclient agent (NSS/NSS-HA nodes) ............................................................ 51
