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Part of FAQ of OCFS2 1.4 (Doc ID 1545848.1)

Last updated on FEBRUARY 26, 2020

Applies to:

Linux OS - Version Oracle Linux 4.4 and later
Linux x86-64
Linux x86


This purpose of this document is to add "sizing" recommendations to the OCFS2 1.4 FAQ. There are sizing recommendations for for OCFS2 elements such as cluster size, number of node slots, etc (to be dictated by Development) to match the application and use of the OCFS2 filesystem (RDBMS datafiles, log files, etc).

Questions and Answers

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In this Document
Questions and Answers
 1. What block size should I use?
 2. What cluster size should I use?
 3. What does the number of node slots during format refer to?
 4. What should I consider when determining the number of node slots?
 5. Does the number of node slots have to be the same for all volumes?
 6. Is the volume resizable?
 7. Is there a limit to the number of sub-directories in a directory?
 8. Is there a limit to the size of an ocfs2 file system?
 9. What journal size should I use?
 10. Is the journal resizable ?
 11.What is fence method ?
 12. What is o2hbmonitor process ?
 13. Why does mkfs.ocfs2 fail with error 'Invalid block number while formatting the slot map' ?
 14. Why does the system print out "modprobe: FATAL: Module ocfs2_stackglue not found" ?

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