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In addition to the Lustre code, a number of tools exist to help maintain a Lustre filesystem

e2fsprogs

e2fsprogs is a set of utilities for maintaining ext2, ext3 and ext4 filesystems. Patches are available to enable e2fsprogs to work with Lustre filesystems on RHEL6.

Getting e2fsprogs

Lustre servers using ldiskfs require a customized version of e2fsprogs to create and check filesystems. Binary, pre-built RPMs are available from the source and pre-built RPMs.

Installing e2fsprogs

e2fsprogs and e2fsprogs-libs must be simultaneously installed with rpm -U:

rpm -Uvh ./e2fsprogs-1.41.90.wc2-7.el6.x86_64.rpm  ./e2fsprogs-libs-1.41.90.wc2-7.el6.x86_64.rpm

lustre-tar

Lustre-tar is a modified version of tar, patched to enhance tar on a Lustre filesystem.
Whamcloud provide a tar 1.19 with specific patches.
These patches include:

  • Support for xattrs - necessary to record file and directory striping information.
  • fix for: --sparse fails to restore file names longer than 100 chars from PAX header LU-504.
  • Optimization for Lustre-tar on completely sparse files LU-682.

NOTE RHEL 6.{0,1,2} package a version of tar includes xattr patches necessary to record striping. However, depending on your use case, you may wish to use the Whamcloud build on RHEL 6.{0,1,2}.

Getting lustre-tar

Lustre-tar is available as source and pre-built x86 and x86_64 RPMs for RHEL.

lustre-diagnostics

Lustre-diagnostics is a tool to that enables system debugging. The tool works by collecting relevant system and Lustre configuration information. The information is saved into a standard format.

Getting lustre-diagnostics

Lustre-diagnostics is available as source and pre-built RPMs. The code consists of a series of scripts.

lustre-iokit

Lustre-iokit is a suite of tools for benchmarking Lustre systems.

Getting lustre-iokit

Lustre-iokit is available as an RPM from the source and pre-built RPMs.

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