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A storage enclosure includes a chassis, a plurality of drawers, and one or more power supplies. The plurality of drawers each include up to a predetermined number of storage devices. The plurality of drawers is individually extendable up to a predetermined distance through a front surface of the cha

A storage enclosure includes a chassis, a plurality of drawers, and one or more power supplies. The plurality of drawers each include up to a predetermined number of storage devices. The plurality of drawers is individually extendable up to a predetermined distance through a front surface of the chassis. When each drawer of the plurality of drawers comprises the predetermined number of storage devices and is extended the predetermined distance through the front surface of the chassis, the center of mass of the storage enclosure is behind the front surface of the chassis.

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1. A storage enclosure, comprising: a chassis; anda plurality of drawers, the plurality of drawers each comprising up to a predetermined number of storage devices;wherein the plurality of drawers are individually extendable up to a predetermined distance through a front surface of the chassis, where

1. A storage enclosure, comprising: a chassis; anda plurality of drawers, the plurality of drawers each comprising up to a predetermined number of storage devices;wherein the plurality of drawers are individually extendable up to a predetermined distance through a front surface of the chassis, wherein when each drawer of the plurality of drawers comprises the predetermined number of storage devices and is extended the predetermined distance through the front surface of the chassis, the center of mass of the storage enclosure is behind the front surface of the chassis. 2. The storage enclosure of claim 1, wherein the storage enclosure is rackmountable, wherein access to any drawer or storage device is not affected by vertical position of the storage enclosure within a rack or other modules or storage enclosures vertically adjacent to the storage enclosure, wherein no storage devices are accessed from the top or bottom of a drawer. 3. The storage enclosure of claim 2, wherein the storage enclosure is 2 rack units high, wherein access to any storage device in a drawer is not affected by horizontal proximity of the storage enclosure to a wall surface parallel to a side surface of the storage enclosure. 4. The storage enclosure of claim 3, wherein all storage devices in any drawer of the plurality of drawers are inserted or removed through a common side of the drawer, wherein any storage device may be inserted or removed from any drawer of the plurality of drawers even if the closest side surface of the chassis is parallel to and in contact with a wall. 5. The storage enclosure of claim 1, the storage enclosure further comprising one or more power supplies and one or more storage controllers, wherein the one or more power supplies and the one or more storage controllers are individually insertable and removable through a rear surface of the chassis. 6. The storage enclosure of claim 5, wherein the one or more storage controllers perform storage enclosure redundancy checks before allowing a user to disconnect and remove any drawer of the plurality of drawers. 7. The storage enclosure of claim 6, redundancy checks comprising verifying that user data stored on storage devices of the plurality of drawers will not be lost if a user disconnects any drawer of the plurality of drawers. 8. The storage enclosure of claim 7, wherein disconnects comprises disconnecting any of a DC power cable and a signal cable between a drawer and a chassis midplane. 9. The storage enclosure of claim 5, wherein no top level access is required to the storage enclosure to remove or insert a drawer, a storage device, a power supply, and a storage controller. 10. The storage enclosure of claim 9, wherein the predetermined number of storage devices is 16, wherein each drawer of the plurality of drawers weighs less than 20 lbs when 16 storage devices are mounted in each drawer. 11. The storage enclosure of claim 10, the storage enclosure comprising two power supplies, two storage controllers, and three drawers, wherein the storage enclosure weighs less than 80 lbs when 16 storage devices are mounted in each drawer. 12. The storage enclosure of claim 11, wherein each drawer is electrically and mechanically removable from the chassis after the drawer is extended the predetermined distance from the front of the chassis, wherein each drawer is electrically and mechanically removable from the chassis without requiring top level access to the drawer or the storage enclosure, wherein each drawer is electrically and mechanically removable from the chassis without requiring tools. 13. The storage enclosure of claim 1, further comprising a cable management system between each drawer and the storage enclosure, wherein the cable management system protects an interconnect cable assembly between each drawer and the storage enclosure from being damaged when the drawer is extended from or pushed into the chassis. 14. The storage enclosure of claim 13, wherein the cable management system is linearly movable in a forward direction as the drawer is extended from the chassis and a rearward direction as the drawer is retracted into the chassis, wherein the cable management system limits sideways movement of the interconnect cable assembly when the drawer is extended or retracted. 15. The storage enclosure of claim 14, wherein a failure of any of a drawer, a DC power cable, and a signal cable does not affect the operation of any other drawer of the plurality of drawers or any storage device in any other drawer of the plurality of drawers. 16. The storage enclosure of claim 15, wherein when any drawer of the plurality of drawers is extended from the chassis, no AC power is directly user accessible in the drawer or the chassis. 17. The storage enclosure of claim 1, wherein when each drawer of the plurality of drawers comprises the predetermined number of storage devices and is extended the predetermined distance through the front surface of the chassis, the center of mass of the storage enclosure is between the front surface and the rear surface of the chassis. 18. The storage enclosure of claim 17, wherein the storage enclosure is mounted in a 19″ rack, wherein the storage enclosure center of mass is within the envelope of front and rear rack rails when each drawer of the plurality of drawers comprises the predetermined number of storage devices and is extended the predetermined distance through the front surface of the chassis. 19. A storage enclosure for safe mounting in a 19″ rack, the storage enclosure comprising: one or more drawers of a left drawer configuration, wherein the one or more drawers of the left drawer configuration allow storage devices to be inserted or removed only from the right side of the drawer;one or more drawers of a right drawer configuration, wherein the one or more drawers of the right drawer configuration allow storage devices to be inserted or removed only from the left side of the drawer;one or more storage controller modules, each of the one or more storage controller modules comprising a storage controller for controlling one or more storage devices of the one or more drawers of the left drawer and right drawer configuration; andone or more power supplies, wherein the one or more power supplies provide DC power to the one or more drawers of the left drawer and right drawer configuration and the one or more storage controller modules,wherein when each of the drawers of the left drawer and right drawer configurations are fully populated with storage devices and is fully extended from the front surface of the chassis, the center of mass of the storage enclosure is between the front surface and the rear surface of the chassis. 20. The storage enclosure of claim 19, wherein each of the drawers of the left drawer and right drawer configurations weigh less than 20 lbs when fully populated with sixteen storage devices per drawer, wherein the storage enclosure weighs less than 80 lbs when two power supplies, two storage controller modules, and three drawers fully populated with sixteen storage devices per drawer are installed in the storage enclosure.