Storage enclosure with independent storage device drawers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-011/20
H05K-007/02
H05K-013/00
G06F-001/18
출원번호
US-0747609
(2013-01-23)
등록번호
US-9456515
(2016-09-27)
발명자
/ 주소
Pecone, Victor Key
Lonergan, Kevin James
Rust, Brenden Michael
Kalwitz, George Alexander
출원인 / 주소
Seagate Technology LLC
대리인 / 주소
Lavan, Thomas J.
인용정보
피인용 횟수 :
1인용 특허 :
51
초록▼
A rackmountable storage enclosure includes a chassis. The chassis includes one or more power supplies and a plurality of drawers, each extendable through a front surface of the chassis. Each drawer of the plurality of drawers provides mounting for one or more storage devices. All storage devices in
A rackmountable storage enclosure includes a chassis. The chassis includes one or more power supplies and a plurality of drawers, each extendable through a front surface of the chassis. Each drawer of the plurality of drawers provides mounting for one or more storage devices. All storage devices in any drawer of the plurality of drawers are inserted or removed through a common side of the drawer. Any storage device may be inserted or removed from any drawer of the plurality of drawers even if the side surfaces of the chassis are each parallel to and in contact with a wall, each of the walls extending forward at least to a fully extended length of any drawer. Electrical failures in any one drawer are prevented from affecting any other drawer of the plurality of drawers. The one or more power supplies provides DC power to the plurality of drawers.
대표청구항▼
1. A rackmountable storage enclosure, comprising: a chassis, comprising: one or more power supplies;a plurality of drawers, each extendable through a front surface of the chassis, wherein each drawer of the plurality of drawers provides mounting for one or more storage devices, wherein all storage d
1. A rackmountable storage enclosure, comprising: a chassis, comprising: one or more power supplies;a plurality of drawers, each extendable through a front surface of the chassis, wherein each drawer of the plurality of drawers provides mounting for one or more storage devices, wherein all storage devices in any drawer of the plurality of drawers are inserted or removed through a common left or right side of the drawer, wherein any storage device may be inserted or removed from any drawer of the plurality of drawers even if the side surfaces of the chassis are each parallel to and in contact with a wall, each of the walls extending forward at least to a fully extended length of any drawer, wherein electrical failures in any one drawer are prevented from affecting any other drawer of the plurality of drawers, anda plurality of hot swap controller devices,wherein the one or more power supplies provides DC power to each drawer of the plurality of drawers through a separate hot swap controller device corresponding to each drawer of the plurality of drawers, wherein after a hot swap controller device detects a fault and stops providing DC power to a corresponding drawer, a software-controlled power cycle operation by a storage controller causes the hot swap controller device to resume providing DC power to the drawer. 2. The rackmountable storage enclosure of claim 1, wherein each drawer remains fully functional when the drawer is fully extended from the chassis, wherein fully functional comprises the one or more power supplies provide DC power to the drawer and each storage device in the drawer, and communication paths are enabled between each storage device and a chassis midplane. 3. The rackmountable storage enclosure of claim 2, wherein the one or more power supplies provides independent DC power to each drawer of the plurality of drawers, wherein the storage enclosure separately enables and disables independent DC power to each drawer under software control through the plurality of hot swap controller devices in order to install or remove a drawer without affecting independent DC power to others of the plurality of drawers. 4. The rackmountable storage enclosure of claim 3, wherein each drawer of the plurality of drawers is mechanically independent of any other drawers of the plurality of drawers comprises each drawer may be added, removed, or extended from the chassis regardless of the presence, absence, or extended position of any other drawer of the plurality of drawers. 5. The rackmountable storage enclosure of claim 3, wherein electrical failures comprises any of a loss of power to a drawer, a shorted signal between a drawer and the chassis midplane, and one or more disconnected signals between a drawer and the chassis midplane. 6. The rackmountable storage enclosure of claim 3, wherein the storage enclosure comprises three drawers arranged horizontally, wherein each drawer stores up to a predetermined number of storage devices. 7. The rackmountable storage enclosure of claim 6, wherein the predetermined number of storage devices is sixteen, wherein the rackmountable storage enclosure is two rack units high. 8. The rackmountable storage enclosure of claim 3, wherein a cable management system provides interconnection between each drawer of the plurality of drawers and the storage enclosure, wherein the cable management system protects all power and signal cables between each drawer and the chassis midplane, wherein the cable management system is linearly movable in a forward direction as the drawer is extended and a rearward direction as the drawer is retracted, wherein the cable management system limits sideways movement of the power and signal cables when the drawer is extended or retracted. 9. The rackmountable storage enclosure of claim 8, the signal cables comprising redundant data paths, wherein the redundant data paths provide redundant communications to each storage device in the drawer. 10. The rackmountable storage enclosure of claim 3, wherein no drawer of the plurality of drawers requires top access to service the storage devices within a drawer. 11. A method of installing a drawer into a rackmountable storage enclosure comprising a chassis, one or more power supplies, one or more storage controllers, a plurality of hot swap controller devices, and a plurality of drawers, the method comprising: mechanically installing a drawer of the plurality of drawers to the chassis, wherein the drawer is slidingly engaged to the chassis, wherein each drawer of the plurality of drawers is mechanically and electrically independent of any other drawers of the plurality of drawers, wherein electrically independent comprises electrical failures in any one drawer are prevented from affecting any other drawer of the plurality of drawers, wherein electrical failures comprises any of a loss of power to a drawer, a shorted signal between a drawer and the chassis midplane, and one or more disconnected signals between a drawer and the chassis midplane;after inactivating power to the drawer through one of the plurality of hot swap controller devices, by a user, attaching an interconnect cable assembly from the chassis to the drawer, the interconnect cable assembly comprising DC power cables and redundant data cables and providing electrical connection between the one or more power supplies, the one of the plurality of hot swap controller devices, the one or more storage controllers, and the drawer;indicating to the one or more storage controllers, by the user, that only the drawer of the plurality of drawers should be brought online, the drawer comprising one or more storage devices;detecting, by the one or more storage controllers, that the drawer is present;applying DC power to the drawer, wherein the one or more storage controllers enables DC power to be supplied from the one or more power supplies through the one of the plurality of hot swap controller devices to the drawer through the DC power cables;bringing the drawer online, by the one or more storage controllers. 12. The method of claim 11, wherein each drawer remains fully functional when the drawer is extended from the chassis, wherein fully functional comprises DC power is provided to the drawer and each of the one or more storage devices and communication paths are enabled between each of the one or more storage devices and the one or more storage controllers. 13. The method of claim 12, wherein the one or more power supplies provides independent DC power to each drawer of the plurality of drawers, wherein the one or more storage controllers separately enables and disables DC power to each drawer under software control through the plurality of hot swap controller devices in order to install or remove a drawer without affecting independent DC power to others of the plurality of drawers. 14. The method of claim 13, wherein a cable management system protects the DC power cables and redundant data cables from being damaged when the drawer is extended from or pushed into the chassis. 15. The method of claim 13, wherein indicating to the one or more storage controllers, that the drawer should be brought online comprises: making a selection in a user interface, by the user, wherein the user interface controls the setup, configuration, and error reporting for the storage enclosure. 16. The method of claim 13, wherein bringing the drawer online, by the one or more storage controllers comprising configuring the drawer and the one or more storage devices according to a user-defined configuration and operating the drawer and the one or more storage devices according to the user-defined configuration. 17. The method of claim 13, the storage enclosure comprising three drawers arranged horizontally, wherein each drawer stores up to a predetermined number of storage devices. 18. The method of claim 17, wherein the predetermined number of storage devices is sixteen, wherein the storage enclosure is two rack units high. 19. The method of claim 13, wherein the plurality of drawers are extended or retracted through a front surface of the chassis, wherein only one drawer of the plurality of drawers is extendable at the same time. 20. A drawer in a rackmountable storage enclosure for storing one or more storage devices, comprising: a drawer chassis, slidingly mounted to the rackmountable storage enclosure, wherein the drawer is extendable up to a predetermined distance from the front surface of the rackmountable storage enclosure;a drawer midplane, attached to the drawer chassis, for mounting each of the one or more storage devices, comprising:a first SAS expander, wherein the first SAS expander provides a first SAS data path to each of the one or more storage devices; anda second SAS expander wherein the second SAS expander provides a second SAS data path to each of the one or more storage devices,wherein the drawer is mechanically and electrically independent of any other drawers for storing one or more storage devices of the rackmountable storage enclosure,wherein electrically independent comprises electrical failures in the drawer are prevented from affecting any other drawers for storing one or more storage devices,wherein electrical failures comprises at least one DC power to ground short, wherein the at least one DC power to ground short in the drawer does not affect DC power in any other drawers,wherein in the event of an electrical failure in the drawer, a hot swap controller device corresponding to the drawer removes DC power to the drawer until a software-controlled power cycle operation by a storage controller causes the hot swap controller device to resume providing DC power to the drawer. 21. The drawer of claim 20, wherein the rackmountable storage enclosure comprises one or more power supplies and redundant storage controllers, wherein each of the redundant storage controllers provides an independent communication path to one of the first and second SAS expanders. 22. The drawer of claim 21, wherein the redundant storage controllers detect when the drawer is present, and selectively enable and disable DC power from one or more power supplies in the rackmountable storage enclosure to the drawer based on drawer presence.
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