Contract SFS-DEV-001 early draft
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SFS-DEV-001 includes three areas for development. These areas are listed below with highlighted results.
Lustre FSCK: OI Scrub
Key Message
- Enable file-level backup and restoration of an MDT.
- Core infrastructure for online consistency checking.
Details of the internal of this work is available at on the Whamcloud community wiki.
Recent results
OI Scrub project provides ground work for a complete Lustre FSCK tool. Crucial to success of this tool is performance. OI Scrub has been demonstrated checking over 100K files/second on a typical MDS hardware node. In addition, OI Scrub provides a on-line mode that has been shown to add negligible system load with limited scan rates:
Whamcloud site for more information.