Can iRODS pro-actively report errors when a server is down?
Although most of what iRODS does is in reaction to a user requests, it can be configured to be more pro-active like this. There are cases where it would be worthwhile to have iRODS provide early warning to administrators when problems in irods servers or underlying systems occur. One feature that is often useful for this is the Resource Monitoring System which will periodically check the status of the iRODS servers and provide some information on the overall health of the system. It may not attempt to store data in the resources but one might be able to adjust the scripts to somehow check the health of RAID systems, for example. Another technique would to be to write a simple rule to store data on each resource, and then queue that rule to run periodically. It could send email if any of these fail. If the concern is that a resource’s underlying RAID file system were silently down, one might configure that RAID to maximize data safety; perhaps going into read-only mode or even shutting
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