Several months ago I found myself between work projects, and during this time I accidentally caught the Monero mining bug from the STH forums. It turned out to be quite a virulent strain, and in the end it took the purchase of 12 Wiwynn SV7210 servers to get it under control. Each server has since been fitted out with four Intel Xeon E5-2660 CPUs, four 4GB RDIMMs, and two small capacity HDDs.
Ubuntu Server 16.04 LTS has been installed on each node, and together they form a 24-node Docker swarm that runs one of @Patrick's many Monero mining images. The 12 servers are currently housed in an industrial shelving unit that I salvaged, but now the time has come to do things properly.
To this end I have designed a custom 20-unit rack to house the 12 Wiwynn servers, two Ubiquiti network switches, HP 32A PDU core, and four intelligent extension bars that currently comprise the Blue Sky Mining Cluster (BSMC). The rack is being manufactured at the moment, and will look something like this:

As you can see, its nothing fancy - a welded SHS frame that will be powder coated matte black, along with several electrogalvanised CRS panels. These panels are riveted to the frame and not only hold the servers, but also provide anchor points to tie the many power and network cables the cluster requires.


Once I take possession of the frame, self-levelling feet will be inserted into the outer SHS members, and castors bolted into the holes in the SHS you can only just make out in the render above to make the rack easy to move into its final position.
For those of you wondering why the rack is 20 units in height, it is so I can add an additional six Wiwynn SV7210 servers in the future. This will take the total number of servers in the BSMC to 18, and the total number of nodes to 36 - one of which will have to be designated as a cold spare. This is to ensure that the maximum current rating of the PDU is never exceeded. Once the power consumption of the two Ubiquiti network switches is taken into consideration, the 35-node BSMC will consume 7.2kW or thereabouts.
The two network switches are mounted in a common sled, and occupy a single rack unit. Only the larger of the two (a 48-port switch) features active cooling, and so it will be mounted at the back of the sled to prevent it blowing hot air over the passively-cooled 24-port switch. Again, the network switch sled and the PDU core sled are currently being manufactured, and should look something like this:


For now, all I can do is wait for the rack and sleds to arrive...
Ubuntu Server 16.04 LTS has been installed on each node, and together they form a 24-node Docker swarm that runs one of @Patrick's many Monero mining images. The 12 servers are currently housed in an industrial shelving unit that I salvaged, but now the time has come to do things properly.
To this end I have designed a custom 20-unit rack to house the 12 Wiwynn servers, two Ubiquiti network switches, HP 32A PDU core, and four intelligent extension bars that currently comprise the Blue Sky Mining Cluster (BSMC). The rack is being manufactured at the moment, and will look something like this:

As you can see, its nothing fancy - a welded SHS frame that will be powder coated matte black, along with several electrogalvanised CRS panels. These panels are riveted to the frame and not only hold the servers, but also provide anchor points to tie the many power and network cables the cluster requires.


Once I take possession of the frame, self-levelling feet will be inserted into the outer SHS members, and castors bolted into the holes in the SHS you can only just make out in the render above to make the rack easy to move into its final position.
For those of you wondering why the rack is 20 units in height, it is so I can add an additional six Wiwynn SV7210 servers in the future. This will take the total number of servers in the BSMC to 18, and the total number of nodes to 36 - one of which will have to be designated as a cold spare. This is to ensure that the maximum current rating of the PDU is never exceeded. Once the power consumption of the two Ubiquiti network switches is taken into consideration, the 35-node BSMC will consume 7.2kW or thereabouts.
The two network switches are mounted in a common sled, and occupy a single rack unit. Only the larger of the two (a 48-port switch) features active cooling, and so it will be mounted at the back of the sled to prevent it blowing hot air over the passively-cooled 24-port switch. Again, the network switch sled and the PDU core sled are currently being manufactured, and should look something like this:


For now, all I can do is wait for the rack and sleds to arrive...