After fumbling around a bit with bash in Part 3, I got to a point where I could graph a single storage pool using the data that was being updated in our /tmp/iostat.cache file. While this is great for small ZFS setups, what happens if you have more than one pool? Since I was creating [...]

After seeing a basic example of creating a custom OID for the zpool capacity, I really wanted to extend some additional statistics that are available using the zpool iostat command. In it’s simplest form, you can use the following command to see two sets of statistics on a zpool: The command is very basic, run [...]

Last week we setup a Cacti monitoring server and basic SNMP on our Open Indiana test machine. Some basic Linux statistics are provided out of box, such as interface traffic monitoring, which is nice but does not offer a lot of helpful information about the ZFS storage pools we want to monitor. I began my [...]

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