So the three of you who read this blog might be wondering why I haven’t been posting much lately.
Where’s Jeff, the cloud praxis guy & Hyper-V fanboy, who says IT pros should practice their cloud skills? you might have asked.
Well, I’ll tell you where I’ve been. One, I’ve been working my tail off at my new job where Cloud Praxis is Cloud Game Time, and two, the Child Partition, as adorable and fun as he is, is now 19 months old, and when he’s not gone down for a maintenance cycle in the crib, he’s running Parent Partition and Supervisor Module spouse ragged, consuming all CPU resources in the cluster. Wow that kid has some energy!
Yet despite that (or perhaps because of that), I found some time to re-think my storage strategy for the Daisetta Lab.
Recall that for months I’ve been running a ZFS array atop a simple NAS4Free instance, using the AMD-powered box as a multi-path iSCSI target for Cluster Shared Volumes. But continuing kernel-on-iscsi-target-service homicides, a desire to combine all my spare drives & resources into a new array, and a vacation-time cash-infusion following my exit from the last job lead me to build this for only about $600 all-in:
Here are some superlatives and other interesting curios about this new box:
- It was born on the 4th of July, just like ‘Merica and is as big, loud, ostentatious and overbearing as ‘Merica itself
- I would name it ‘Merica.daisettalabs.net if the OS would accept it
- It’s a real server. With a real Supermicro X10SAT server/workstation board. No more hacking Intel .inf files to get server-quality drivers
- It has a real server SAS card, an LSI 9218i something or other with SAS-SATA breakout cables
- It doesn’t make me choose between file or block storage, and is object-storage curious. It can even do NFS or SMB 3…at the same time.
- It does ex post facto dedupe -the old model- rather than the new hot model of inline dedupe and/or compression, which makes me resent it, but only a little bit
- It’s combining three storage chipsets -the LSI card, the Supermicro’s Intel C226, and ASMedia 1061- into one software-defined logical system. It’s abstracting all that hardware away using pools, similar to ZFS, but in a different, more sublime & elegant way.
- It doesn’t have the ARC –ie RAM AS STORAGE– which makes me really resent it, but on the plus side, I’m only giving it 12GB of RAM and now have 16GB left for other uses.
- It has 16 Disks : 12 rotational drives (6x1TB 5400 RPM & 6x2TB 7200RPM) and four SSDs (3x256GB Samsung 840 EVO & 1x128GB Samsung 830) and one boot drive (1x32GB SanDisk ReadyCache drive re-purposed as general SSD)
- Total capacity RAW: nearly 19TB. Usable? I’ll let you know. Asking
“Do I need that much?” is like asking “Does ‘Merica need to stretch from Sea to Shining Sea?” No I don’t, but yes ‘Merica does. But I had these drives in stock, as it were, so why not?
- It uses so much energy & power that it has, in just a few days, erased any greenhouse gas savings I’ve made driving a hybrid for one year. Sorry Mother Earth, looks like I’m in your debt again
- But seriously, under load, it’s hitting about 310 watts. At idle, 150w. Not bad all things considered. Haswell + full C states & PCIe power management work.
- It’s built as veritable wind-tunnel as it lives the garage. In Southern California. And it’s summer. Under load, the CPU is hitting about 65C and the south-bridge flirts with 80c, but it’s stable.
- It has six, yes, six, 1GbE Intel NICs. Two are on the motherboard, and I’m using a 4 port PCIe 2 card. And of course, I’ve enabled Jumbo Frames. I mean do you have to even ask at this point?
- It uses virtual disks. Into which you can put other virtual disks. And even more virtual disks inside those virtual disks. It’s like Christopher Nolan designed this storage archetype while he wrote Inception…virtual disk within virtual disk within virtual disk. Sounds dangerous, but in the Daisetta Lab, Who Dares Wins!
So yeah. That’s what I’ve been up to. Geeking out a little bit like a gamer, but simultaneously taking the next step in my understanding, mastery & skilled manipulation of a critical next-gen storage technology I’ll be using at work soon.
Can you guess what that is?
Stay tuned. Full reveal & some benchmarks/thoughts tomorrow.