Check manual page of zfs_arc_cache

ZFS Arc Cache: Hit Ratios and Sizes
Distribution	official part of Check_MK
License	GPL
Supported Agents	Solaris

Reports the cache hit ratio, the prefetch data hit ratio, the prefetch metadata hit ratio, the cache size and used/limit/max values for arc meta of ZFS.

This check is only for reporting and always returns OK.

Discovery

One service is created on every machine delivering information at least about zfs cache hits and misses.