July 19, 2013 – Dan Langille's Other Diary

raidz2: 10 disks vs 8 disks

Yesterday, I mentioned I wanted to compare raidz2 when using 10 disks versus using 8 disks. Along the way, I noticed that my ZFS-setup script needed a change to cope with mixed devices. Once I got past that hurdle, I started adding packages and setting up the system for some very simple tests. The test My test of preference is loading a database, and then dumping it. Each pg_restore was done into a […]

Jul 19 2013

Problem with disk numbering in my ZFS creation script

Leave a Comment / File Systems, FreeBSD, ZFS / By Dan Langille / July 19, 2013

THe last system I set up with ZFS, I used a script. Today, when trying a system with different device types, I encountered a limitation of that script. I need to fix it. In the above script, NUM takes on the value of what digits appear in the string of I. Given that DISKS contains both ada0 and da0, two disks will get the same value for $I. That’s a problem. I need

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