[LU-1344] Evicted Clients

• Type: Bug
• Resolution: Cannot Reproduce
• Priority: Major
• Affects Version/s: Lustre 1.8.6
• Environment: CentOS 5.5 on Lustre servers; RHEL 6.1 on clients
• Severity: 3
• Assignee: Liang Zhen (Inactive)
• Reporter: Dennis Nelson

Description

Customer reported a number of clients were evicted. All clients had difficulties communicating with OSTs on a single OSS. Johann has looked at the client logs but I did not have server logs at the time. I now have the server logs. I have attached them to this ticket. I need recommendations on how to prevent this from happening in the future.

Should I consider changing the OBD timeout from the default 100s?

Should I consider reducing the number of OST service threads (default 256)?

Issue Links

• Trackbacks: Lustre 1.8.x known issues tracker While testing against Lustre b18 branch, we would hit known bugs which were already reported in Lustre Bugzilla https://bugzilla.lustre.org/. In order to move away from relying on Bugzilla, we would create a JIRA