July 2010

ZFS & gmirror & drive renumbering

2 Comments / FreeBSD, General, Open Source, ZFS / By / / , ,

I am impressed…. my gmirror array continued to work even after the drives were renamed from da20 and da24 to ada0 and ada1. This happened when I tried out the ahci(4) for my SATA drives. It’s the type of thing I’m striving for soon in my ZFS array. All this started when I wanted to find out about making my ZFS array more resilient. See http://docs.freebsd.org/cgi/getmsg.cgi?fetch=663685+0+current/freebsd-stable (which is the top level post of […]

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Postini

Leave a Comment / Mail / By /

I’ve been thinking about giving up my mail servers for a while. After many years of getting great satisfaction from running my own, I’m thinking of letting Google run them for me. Economies of scale means Google can do a much better job than I ever could, and for a very great price. For $12 a year, Google will be my MX servers. I won’t have to upgrade software, worry about them going

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A simple nested loop

Leave a Comment / FreshPorts, PostgreSQL / By / /

In a previous post, I wrote about a suspected LIMIT problem. It turns out that suspicion proved correct. The solution was to move to a nested query which limits the underlying data and then allows the outer query to grab all the associated fluff that surrounds it. Here is the fix to the original code: $ cvs di -ub commits_by_committer.php Index: commits_by_committer.php =================================================================== RCS file: /home/repositories/freshports-1/classes/commits_by_committer.php,v retrieving revision 1.3 diff -u -b -r1.3

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