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A datacenter may include a server rack supported on a floor that is supported over a subfloor. The server rack may be anchored through the floor to the subfloor by a linkage that extends through the floor. The linkage may include a rack anchor secured to the server rack and a subfloor anchor secured

A datacenter may include a server rack supported on a floor that is supported over a subfloor. The server rack may be anchored through the floor to the subfloor by a linkage that extends through the floor. The linkage may include a rack anchor secured to the server rack and a subfloor anchor secured to the subfloor. A cable and turnbuckle or other linkage components may be arranged between the rack anchor and subfloor anchor and may be used collectively for removing slack from the linkage and/or otherwise tensioning the linkage to anchor the server through the raised floor and via the linkage to the subfloor.

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1. A method of securing a server rack in a datacenter through a raised floor of the datacenter to a subfloor of the datacenter beneath the raised floor, the method comprising: positioning a linkage so that at least a portion of the linkage extends from below the raised floor to above the raised floo

1. A method of securing a server rack in a datacenter through a raised floor of the datacenter to a subfloor of the datacenter beneath the raised floor, the method comprising: positioning a linkage so that at least a portion of the linkage extends from below the raised floor to above the raised floor, the linkage comprising a subfloor anchor, a rack anchor, a turnbuckle, and a cable coupled with the turnbuckle and arranged such that the cable and the turnbuckle are arranged between the subfloor anchor and the rack anchor;securing the subfloor anchor of the linkage to the subfloor;securing the rack anchor to the server rack;installing a coupling nut in a position receiving at least a portion of a first shaft and at least a portion of a second shaft, the first shaft extending through a portion of the server rack, the second shaft extending through the floor; andtensioning the linkage by at least rotating the turnbuckle to reduce slack in the linkage and anchor the server rack through the raised floor of the datacenter to the subfloor beneath the raised floor. 2. The method of claim 1, further comprising securing a portion of the linkage to the raised floor. 3. The method of claim 1, further comprising: installing a tile of the raised floor into the raised floor, the tile having the linkage at least partially coupled to the tile so that at least a portion of the linkage extends through the tile, the tile further being configured to support a load of the server rack when the tile is installed in the raised floor with the linkage extending at least partially through the tile; andmoving the server rack at least partially onto the tile. 4. The method of claim 1, wherein securing the rack anchor to the server rack further comprises coupling the server rack to a portion of the linkage secured to a tile of the raised floor. 5. The method of claim 1, further comprising reducing a length of the linkage by adjusting the cable to reduce a distance that the cable extends between the rack anchor and the subfloor anchor. 6. The method of claim 1, further comprising increasing a length of the linkage by adjusting the cable to increase a distance that the cable extends between the rack anchor and the subfloor anchor to facilitate the linkage reaching between a first anchoring point of the subfloor for the subfloor anchor and a second anchoring point of the server rack for the rack anchor. 7. A datacenter comprising: a subfloor;a floor supported over the subfloor;a server rack supported on the floor; anda linkage extending at least in part through the floor and comprising at least: a subfloor anchor secured to the subfloor;a first shaft extending through the floor;a rack anchor secured to the server rack and comprising a second shaft extending through a portion of the server rack;a coupling nut receiving at least a portion of the first shaft and at least a portion of the second shaft;a cable; anda turnbuckle coupled with the cable, the turnbuckle and cable arranged in the linkage between the subfloor anchor and the rack anchor, the turnbuckle being in a tightened state such that the cable is in tension so as to anchor the server rack through the floor and via the linkage to the subfloor. 8. The datacenter of claim 7, further comprising a channel member fixed to the subfloor, wherein the subfloor anchor is secured via the channel member to the subfloor. 9. The datacenter of claim 7, wherein the linkage further comprises a cable clamp releasably securing a portion of the cable in a loop such that a length of the linkage between the subfloor anchor and the rack anchor is adjustable by adjusting a position of the cable relative to the cable clamp. 10. The datacenter of claim 7, wherein the linkage further comprises: an eyebolt comprising an eyelet and the first shaft, the first shaft further comprising a first threaded portion, the eyelet coupled via the turnbuckle and the cable to the subfloor anchor;a seating nut securing the eyebolt in a position extending at least partially through the floor so that the eyelet of the eyebolt is positioned below the floor and at least part of the first threaded portion of the eyebolt is positioned above the floor; anda bolt forming at least a part of the rack anchor and comprising the second shaft, the bolt having a second threaded portion and extending through a hole in a base of the server rack so that at least part of the second threaded portion of the bolt is positioned below the base of the server rack;wherein the coupling nut is positioned receiving at least part of the first threaded portion and at least part of the second threaded portion so as to couple the server rack via the bolt, coupling nut, eyebolt, turnbuckle, and cable to the subfloor anchor. 11. The datacenter of claim 10, wherein the coupling nut is sized to be received on the first threaded portion of the eyebolt and above the seating nut into a position that permits the base of the server rack in the absence of the bolt to be moved over a top of the coupling nut in response to movement of the server rack along the floor. 12. The datacenter of claim 7, wherein the linkage comprises a first linkage coupled with a first side of the server rack, wherein the datacenter further comprises a second linkage coupled with a second side of the server rack different from the first side. 13. The datacenter of claim 12, further comprising a channel member fixed to the subfloor, wherein the first linkage and the second linkage are each secured via the channel member to the subfloor. 14. A system for anchoring a server rack through a floor of a datacenter to a subfloor beneath the floor, the system comprising: a subfloor anchor configured to be secured to the subfloor;a rack anchor configured to be secured to the server rack and comprising at least a first shaft configured to extend through a portion of the server rack;a second shaft configured to extend through the floor;a coupling nut configured for receiving at least a portion of the first shaft and at least a portion of the second shaft;a first linkage section comprising a tensioning device; anda second linkage section coupled with the first linkage section and comprising a flexible member configured to change orientation or have slack removed therefrom in response to operation of the tensioning device, wherein the first linkage section and the second linkage section are arranged between the subfloor anchor and the rack anchor. 15. The system of claim 14, wherein the tensioning device is configured to increase tension in the flexible member so as to anchor the server rack through the floor and via the system to the subfloor when the subfloor anchor is secured to the subfloor and when the rack anchor is secured to the server rack. 16. The system of claim 14, wherein the system further comprises a tile configured to form a part of the floor, wherein the system is configured to be at least partially coupled to the tile so that at least a portion of the system extends through the tile. 17. The system of claim 14, wherein the system further comprises the server rack. 18. The system of claim 14, wherein the system further comprises the datacenter, the floor of the datacenter, the subfloor, and the server rack. 19. The system of claim 14, further comprising a seating nut configured to seat the second shaft in a position extending through the floor.