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Each pod has its own HTTPS IP address, which is how it will be accessed. ![]() Ext4 is more common but JFS is what BackBlaze uses. Now you must choose between the JFS or ext4 filesystem. Drives are clustered in sets of 15 into RAID6 volumes with two parity drives each using the mdadm utility. #Build owncloud server driversIf you bought one of the pre-made pods, many of the drivers will come pre-installed. The fdisk tool is used to create one partition per drive. Backblaze recommends 64-bit Debian Linux as the operating system. So now you’ve built a huge storage server for a fraction of what it would have cost you to use someone else’s servers, but you still need to make it into a cloud that’s accessible to clients, staff, and/or applications. Depending on what hardware is available at what price, both are good options. Later, they switched back to their original configuration, which uses port multiplier backplanes that hold five drives each. Note that in an earlier design, BackBlaze used a direct-wire setup, in which all of the hard drives are wired directly to a Rocket 750 SATA card. With 45 4TB hard drives, the total bill comes out to about $10,500, the company says. Remember that doesn’t include the drives. #Build owncloud server downloadYou can download the following from BackBlaze:Īll in all the 60-drive set up costs an estimated $3,500 according to BackBlaze. Once you have all the parts, it’s time to start assembly. While the parts vary for each version of Backblaze’s design, here’s a generic rundown of everything you’ll need: Most components can be found on Newegg and Amazon, but some will come from special distributors or contract assemblers. #Build owncloud server fullFor a 6th-gen pod with 60 hard drives, the full parts lists along with estimated prices can be found in this PDF. With the pre-built pod, the only other thing you need to buy is the actual hard drives. You can buy one of these “pods” pre-built for between $3,000 and $7,000, depending on how many hard drive slots you need, from 45 Drives or Blackblaze. ![]() The pods sit in 4U racks and the 6.0 design extends a few inches past the edge, so consider how much space you have in your server room. The open-source design for Backblaze’s newest enclosure claims it can bring the cost down to as little as 3.6 cents per GB of storage, totalling 240TB with all 60 drives accounted for. #Build owncloud server softwareThe software is free, so the remainder comes from the enclosure, racks, and all the components. If you’re building your own cloud server, the hard drives you purchase will largely determine the price point and make up the bulk–estimate at least half and as much as 80 percent–of your investment. When stripped away of everything but the core function of what all the big enterprise cloud brands do, what you get is as simple as transfering data to and from a hard drive over the internet. We’ll borrow heavily from the knowledge BackBlaze has generously shared with the world. This method has been tried and tested by BackBlaze, a cloud backup company that pioneered this scheme.
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