Lustre 1.6 Operations Manual

2. Understanding Lustre Networking 2–1
2.1 Introduction to LNET 2–1
2.2 Supported Network Types 2–2
Part II
Lustre Administration
3. Prerequisites 3–1
3.1 Preparing to Install Lustre 3–1
3.1.1 How to Get Lustre 3–1
3.1.2 Supported Configurations 3–2
3.2 Using a Pre-Packaged Lustre Release 3–3
3.2.1 Choosing a Pre-Packaged Kernel 3–3
3.2.2 Lustre Tools 3–4
3.2.3 Other Required Software 3–4
3.3 Environmental Requirements 3–6
3.3.1 SSH Access 3–6
3.3.2 Consistent Clocks 3–6
3.3.3 Universal UID/GID 3–6
3.3.4 Choosing a Proper Kernel I/O Scheduler 3–7
3.3.5 Changing the I/O Scheduler 3–8
3.4 Memory Requirements 3–9
3.4.1 Determining the MDS’s Memory 3–9
3.4.2 OSS Memory Requirements 3–10
vi Lustre 1.6 Operations Manual • September 2008