February 2013

ZFS tuning

Wyze uses this tuning on his 2GB NAS box. # Dynamically adjust write limit based on previous txg commits to attempt # to maintain a 2-second commit time vfs.zfs.txg.synctime_ms=”2000″ # Set a minimum write limit of 50MB which is slightly more than the default vfs.zfs.write_limit_min=”50M” # Default vfs.zfs.write_limit_shift appears to be “3” which on a …

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Testing the benchmark scripts – 1

I’m getting very slow throughput on these drives during my first set of tests. I have no idea why… The drive in question is: $ grep ada2 /var/run/dmesg.boot ada2 at ahcich4 bus 0 scbus5 target 0 lun 0 ada2: <ST2000DM001-1CH164 CC24> ATA-8 SATA 3.x device ada2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada2: Command …

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How I upgrade my WordPress installations

I have three blogs run on WordPress. Each runs on its own installation of WordPress. Why? Because all the single-install solutions I’ve seen were not very attractive. Convince me otherwise. Following the official instructions, I drew up this set of instructions which work for me. Hopefully, they work for you too. But I’m sure it’d …

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