ClearCase & MultiSite Tips and Tricks
ClearCase Unix - Vob/View Server
- Environment Performance - LVM I/O timeout value
- Most RAID hardware is set default with short I/O timeout values for regular file system use. Database transactions are typically longer than regular file system transactions.
- This causes additional RPC calls when database transactions don’t fully complete, and therefore will decrease your environment performance.
- Increasing the I/O timeout value will allow database transactions to fully complete reducing the RPC calls, and therefore, will increase your environment performance.
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- Recommended Action to Take: Change your I/O timeout value using the lvchange command to 150.