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Status Future consideration
Workspace Storage Scale (formerly known as GPFS)
Created by Guest
Created on Feb 8, 2023

RELATED IDEAS

Report Spectrum Scale Event if FD hard Limit of Ganesha server is above the threshold.

Ganesha NFS server has a limit of max. open files, which is calculated by 80% of the maxFilesToCache parameter.

If Ganesha Server is reaching this limit, Ganesha NFS server will stop working and all NFS clients will loose access to data.

In current versions Spectrum Scale does not monitor the related messages in /var/log/ganesha.log and does not report any event to mmhealth eventlog or GUI. Spectrum Scale does not care about such issues at the moment.

We need an monitoring at CLI and GUI (may be mmhealth threshold), which is reporting a warning in eventlog if ganesha is nearby the FD_hard_limit and we need an error in the Spectrum Scale eventlog, if FD_hard_limit is reached. The affected CES Node must report an DEGRADED or FAILED state, if Ganesha has reached hard_limit and is not working anymore.

This improvement would help us to identify such limitation issue at ganesha server quickly and would gave us the possibility to react proactivly, before we face an outage.

Idea priority High

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