Lustre 1.6 Operations Manual

15. Backup and Restore 15–1
15.1 Lustre Filesystem Backups 15–1
15.1.1 Client File System-level Backups 15–1
15.1.2 Performing Device-level Backups 15–2
15.1.3 Performing File-level Backups 15–2
15.2 Restoring from a File-level Backup 15–4
15.3 LVM Snapshots on Lustre Target Disks 15–6
15.3.1 Creating LVM-based Lustre Filesystem As a Backup 15–6
15.3.2 Backing Up New Files to the Backup Filesystem 15–8
15.3.3 Creating LVM Snapshot Volumes 15–8
15.3.4 Restoring From Old Snapshot 15–9
15.3.5 Delete Old Snapshots 15–10
16. POSIX 16–1
16.1 Installing POSIX 16–2
16.2 Running POSIX Tests Against Lustre 16–4
16.3 Isolating and Debugging Failures 16–5
17. Benchmarking 17–1
17.1 Bonnie++ Benchmark 17–2
17.2 IOR Benchmark 17–3
17.3 IOzone Benchmark 17–5
18. Lustre Recovery 18–1
18.1 Recovering Lustre 18–1
18.2 Types of Failure 18–2
18.2.1 Client Failure 18–2
18.2.2 MDS Failure (and Failover) 18–3
18.2.3 OST Failure 18–3
18.2.4 Network Partition 18–4
xii Lustre 1.6 Operations Manual • September 2008