Categories
power review

Abandoning GreenEye for Sense

I planned whole a house energy monitoring setup when we built our house. But in all these years I never completed the Brultech GreenEye installation, I officially called that plan abandoned, and instead installed Sense energy monitors. First a bit of a history, skip to the end if you’re not interested in my procrastination journey. […]

Categories
power problem

UPS Battery Replacement Turns Into Unrecoverable Firmware Update

Two lessons learned; do not trust scheduled battery tests, and leave working firmware be!

Categories
power problem

Electrical Power Quality

Earlier this year we moved a couple miles from Redondo Beach to Manhattan Beach, bigger house, better school district. As far as the house and area is concerned, it is definitely an upgrade, but not so for the utilities. Monthly utilities are a lot more expensive, not so much the per unit fees, but the […]

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power problem review storage

LSI turns their back on Green

I previously blogged here and here on my research into finding a power saving RAID controllers. I have been using LSI MegaRAID SAS 9280-4i4e controllers in my Windows 7 workstations and LSI MegaRAID SAS 9280-8e controllers Windows Server 2008 R2 servers. These controllers work great, my workstations go to sleep and wake up, and in […]

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performance power review storage

Synology DS2411+ Performance Review

In my last post I compared the performance of  Synology DS1511+ against the QNAP TS-859 Pro. As I finished writing that post, Synology announced the new Synology DS2411+. Instead of using a DS1511+ and DX510 extender for 10 disks, the DS2411+ offers 12 disks in a single device. The price difference is also marginal, DS1511+ […]

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power review storage

Power Saving RAID Controller (Continued)

This post continues from my last post on power saving RAID controllers. It turns out the Adaptec 5 series controller are not that workstation friendly. I was testing with Western Digital drives; 1TB Caviar Black WD1001FALS, 2TB Caviar Green WD20EADS, and 1TB RE3 WD1002FBYS. I also wanted to test with the new 2TB RE4-GP WD2002FYPS […]

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power review storage

Power Saving SATA RAID Controller

I’ve been a longtime user of Adaptec SATA RAID cards (3805, 5805, 51245), but over the years I’ve become more energy saving conscious, and the Adaptec controllers did not support Windows power management. My workstations are normally running in the “Balanced” power mode so that they will go to sleep after an hour, but sometimes […]