Wednesday, October 03
Five Little Maids...
Akane and Mikan came online yesterday, but are offline again for some reconfigurationising.* They should be back soon.
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Akane and Mikan came online yesterday, but are offline again for some reconfigurationising.* They should be back soon.
Aoi and Midori have been ordered and will be provisioned soon as well.
Sakura is still being set up. Kurumi is still around, doing nothing, but will probably be replaced with an equivalent config to Sakura (so twice its current disk and memory.)
Those six servers in all will cost me about as much as I currently pay for two, while delivering more of everything. I'll have 20TB of disk (all in RAID), 192GB of RAM, 1TB of SSD (all RAIDed), and 120TB of bandwidth.
Akane, Mikan, and Sakura will form one cluster in Dallas; Aoi, Midori, and Kurumi a second cluster in New Jersey.
The change in plans from earlier this year was sparked by plummeting SSD prices - 50% in just six months. I need a pair of SSDs in each server for performance and redundancy, and back in April that was expensive, pushing me towards a small number of large servers. Now I can get two servers, each with 32GB memory, two 2TB disks and two 256GB SSDs, for nearly the price of one server with 64GB of memory and that same storage configuration from before. So I get twice the storage and twice the bandwidth - and according to Passmark, twice the CPU performance** for about 10% more.
Update: Deployed! 2 x E3-1270 v2 in Dallas, 2 x E3-1245 vs in New Jersey.
* Either the technician wasn't paying close attention or their system is automated, because I ended up with my disks RAIDed together with my SSDs. Which works just fine, but isn't particularly useful. (Update: Apparently it's automated, and since I ticked the box for RAID-1, that's what the provisioning system did. They're manually reinstalling the servers now.)
** Passmark's results look a bit weird sometimes; they're averages of user-submitted results, and they change over time for reasons I can't explain. Anyway, I'm replacing the Opteron 6272 in New Jersey with a pair of Xeon 1245 V2s, and putting in another pair of 1270 (possibly V2s as well) in Dallas. Passmark put all those CPUs at about the same score, where my benchmarks suggest the 6272 should be at least 30% faster. We'll see when next one of the little maids comes online.
Posted by: Pixy Misa at
02:27 PM
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