1. A braided hose reinforcement comprising:
a plurality of strips, each strip having a boundary wherein each boundary encloses a distinct matrix of polymer material in its entirety and elongated metal elements embedded in each respective matrix of polymer material;
wherein the strips comprise left and right turning strips;
wherein the left turning strips run above and under the right turning strips, and the right turning strips run above and under the left turning strips.
2. A braided hose reinforcement according to claim 1, wherein said left and right turning strips have a width ranging from 3 to 25 mm and a thickness ranging from 0.2 to 5 mm.
3. A braided hose reinforcement according to claim 1, wherein said elongated metal elements are steel wires, steel bundles or steel cords.
4. A braided hose reinforcement according to claim 3, wherein said steel wires are round or flat steel wires.
5. A braided hose reinforcement according to claim 3, wherein said elongated metal elements are steel wires with a tensile strength higher than 2150 Nmm2.
6. A braided hose reinforcement according to claim 1, wherein each respective matrix of polymer material comprises a number of elongated metal elements ranging between 2 and 10.
7. A braided hose reinforcement according to claim 1, wherein said polymer material is an elastomeric or thermoplastic material.
8. A hose, pipe or tube, comprising:
a braided reinforcement comprising:
a plurality of strips. each strip having a boundary wherein each boundary encloses a distinct matrix of polymer material in its entirety and elongated metal elements embedded in each respective matrix of polymer material;
wherein the strips comprise left and right turning strips;
wherein the left turning strips run above and under the right turning strips, and the right turning strips run above and under the left turning strips; wherein the hose, pipe or tube is configured to convey a high pressure fluid or gas.
9. A method of manufacturing a hose reinforcement, said method comprises the steps of
providing a number of strips, each of said strips comprising a number of elongated metal elements embedded in a matrix of a polymer material;
braiding said strips to form the reinforcement of claim 1.
10. A braided hose reinforcement according to claim 1, wherein the elongated metal elements are embedded in the matrix of polymer material such that the matrix of polymer material surrounds the elongated metal elements.
11. A hose, pipe or tube according to claim 8, further comprising an inner tube;
wherein the reinforcement is disposed on the exterior of the inner tube.
12. A braided hose reinforcement according to claim 1, wherein the plurality of elongated metal elements are arranged within each distinct matrix so that the elongated metal elements lie in the same plane.
13. A reinforcement comprising:
a braided hose, wherein the braided hose includes:
a plurality of strips, each strip having a boundary wherein each boundary encloses a distinct matrix of polymer material in its entirety and a plurality of elongated metal elements embedded in each respective matrix of polymer material;
wherein the strips comprise left and right turning strips;
wherein the left turning strips run above and under the right turning strips, and the right turning strips run above and under the left turning strips.
14. A reinforcement according to claim 13, wherein the elongated metal elements at outer sides of the strips have a lower tensile strength than an elongated metal element in a central part of the strips.
15. A braided hose reinforcement according to claim 1, wherein the elongated metal elements at outer sides of the strips have a lower tensile strength than an elongated metal element in a central part of the strips.
16. A hose, pipe or tube according to claim 8, wherein the elongated metal elements at outer sides of the strips have a lower tensile strength than an elongated metal element in a central part of the strips.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A computerized data storage system comprising:
a. A top tier storage apparatus; and
b. A second tier storage apparatus, connected to the top tier storage apparatus, the second tier storage apparatus comprising one or more hard disk drives operable to store data organized into one or more second tier logical volumes, wherein the top tier storage apparatus is operable to: map the one or more second tier logical volumes to one or more top tier logical volumes; create a map of a correspondence of the top tier logical volumes to the second tier logical volumes and power boundary information from the second tier storage apparatus; provide the top tier logical volumes to a host computer such that the second tier storage apparatus is transparent to the host computer and manage the second tier storage apparatus by instructing the second tier storage apparatus to spin-up or spin down one or more of the hard disk drives of the second tier storage apparatus corresponding to one or more logical data volumes.
2. The computerized data storage system of claim 1, further comprising a management computer operatively coupled to the top tier storage apparatus and the second tier storage apparatus and operable to monitor spin-down status of the top tier logical data volumes and second tier logical data volumes and to display the spin-down status to a user.
3. The computerized data storage system of claim 1, wherein the power boundary information comprises at least one logical volume and at least one hard disk drive corresponding to the logical volume.
4. The computerized data storage system of claim 3, wherein the power boundary information further comprises a spin-up command or spin-down command corresponding to the at least one logical volume, the spin-up command or spin-down command operable to spin-up or spin-down hard disk drives corresponding to the at least one logical volume.
5. The computerized data storage system of claim 3, wherein the power boundary information further comprises a suspend command or a resume command operable to suspend or resume operation of the second tier storage apparatus corresponding to the at least one logical volume.
6. The computerized data storage system of claim 5, wherein the operation of the corresponding second tier storage apparatus is suspended or resumed by deactivating or activating a corresponding automatic power switch in response to the suspend command or the resume command.
7. The computerized data storage system of claim 1, wherein the top tier storage apparatus comprises a central processing unit operable to execute a power boundary management information for gathering power boundary information from the second tier storage apparatus.
8. The computerized data storage system of claim 1, wherein the top tier storage apparatus comprises a central processing unit operable to execute a power management program operable to:
i. receive a spin-up or spin-down request and a target logical volume number;
ii. check the corresponding power boundary information;
iii. check whether the target logical volume is provided by a second tier storage apparatus;
iv. if the target logical volume is provided by a second tier storage apparatus issue a spin-up or spin-down request to the second tier storage apparatus based on the power boundary information; and
v. if the target logical volume is provided by a second tier storage apparatus issue a suspend or resume request to the second tier storage apparatus based on the power boundary information.
9. The computerized data storage system of claim 8, wherein the spin-up or spin-down request to the second tier storage apparatus comprises an HDD spin-up or spin-down request for each HDD in the target logical volume.
10. The computerized data storage system of claim 8, wherein the spin-up or spin-down request is received from the host computer.
11. The computerized data storage system of claim 1, wherein the second tier storage apparatus comprises a central processing unit operable to execute a status reporting program operable to report spin-up or spin-down status of hard disk drives in the second tier storage apparatus.
12. The computerized data storage system of claim 1, wherein the top tier storage apparatus further comprises one or more hard disk drives operable to store data organized into one or more top tier logical volumes provided by the top tier storage apparatus.
13. A computerized data storage system comprising:
a. A second tier storage apparatus, the second tier storage apparatus comprising one or more hard disk drives operable to store data organized into one or more second tier logical volumes; and
b. A top tier storage apparatus coupled to the second tier storage apparatus and a host computer, the top tier storage apparatus operable to: map the one or more second tier logical volumes to one or more top tier logical volumes; store spin-down and spin-up status of the one or more second tier logical data volumes; receive a spin-up or spin-down request; and forward the received spin-up or spin-down request to the second tier storage apparatus and wherein the second tier storage apparatus is operable to check if all volumes in a parity group have \u201cspin-down\u201d status, in the case the all volumes in the parity group have the \u201cspin-down\u201d status, the second tier storage apparatus is operable to spin-down all HDDs in the parity group.
14. The computerized data storage system of claim 13, further comprising a second tier storage apparatus, wherein the second tier storage apparatuses each comprises a central processing unit operable to execute a status reporting program operable to report spin-up or spin-down status of hard disk drives in the second tier storage apparatuses to a spin-down monitoring program executed by the top tier storage apparatus, and wherein the spin-down monitoring program is operable to determine that a migration of a logical volume from a second tier storage apparatus to the second second tier storage apparatus would result in a power saving and cause the logical volume to be migrated.
15. The computerized data storage system of claim 13, further comprising a management computer operatively coupled to the top tier storage apparatus and the second tier storage apparatus and operable to monitor spin-down status of the top tier logical data volumes and second tier logical data volumes and to display the spin-down status to a user.
16. The computerized data storage system of claim 13, wherein the top tier storage apparatus is operable to suspend or resume operation of the second tier storage apparatus by deactivating or activating an automatic power switch.
17. A method performed in a computerized data storage system comprising a top tier storage apparatus and a second tier storage apparatus, connected to the top tier storage apparatus, the second tier storage apparatus comprising one or more hard disk drives operable to store data organized into one or more second tier logical data volumes, the method comprising:
a. mapping the one or more second tier logical volumes to one or more top tier logical volumes
b. creating a map of a correspondence of the top tier logical volumes to the second tier logical volumes and power boundary information from the second tier storage apparatus;
c. providing top tier logical volumes to a host computer such that the second tier storage apparatus is transparent to the host computer; and
d. managing the second tier storage apparatus by instructing the second tier storage apparatus to spin-up or spin down one or more of the hard disk drives of the second tier storage apparatus corresponding to one or more logical data volumes.
18. The method of claim 17, wherein the power boundary information comprises at least one logical volume and at least one hard disk drive corresponding to the logical volume.
19. The method of claim 18, wherein the power boundary information further comprises a spin-up command or spin-down command corresponding to the at least one logical volume, the spin-up command or spin-down command operable to spin-up or spin-down hard disk drives corresponding to the at least one logical volume.
20. The method of claim 18, wherein the power boundary information further comprises a suspend command or a resume command operable to suspend or resume operation of the second tier storage apparatus corresponding to the at least one logical volume.
21. The method of claim 17, further comprising:
i. receiving a spin-up or spin-down request and a target logical volume number;
ii. checking the corresponding power boundary information;
iii. checking whether the target logical volume is provided by a second tier storage apparatus;
iv. if the target logical volume is provided by a second tier storage apparatus issuing a spin-up or spin-down request to the second tier storage apparatus based on the power boundary information; and
v. if the target logical volume is provided by a second tier storage apparatus issuing a suspend or resume request to the second tier storage apparatus based on the power boundary information.
22. The method of claim 21, wherein the spin-up or spin-down request to the second tier storage apparatus comprises an HDD spin-up or spin-down request for each HDD in the target logical volume.
23. The method of claim 21, wherein the spin-up or spin-down request is received from the host computer.
24. The method of claim 17, further comprising executing a status reporting program to report spin-up or spin-down status of hard disk drives in the second tier storage apparatus.
25. A method performed in a computerized data storage system comprising a second tier storage apparatus comprising one or more hard disk drives operable to store data organized into one or more second tier logical data volumes and a top tier storage apparatus coupled to a host computer and the second tier storage apparatus, the top tier storage apparatus operable to map the one or more second tier logical volumes to one or more top tier logical volumes, the method comprising:
a. storing, at the top tier storage apparatus, a spin-down and spin-up status of the one or more second tier logical data volumes;
b. receiving, at the top tier storage apparatus, a spin-up or spin-down request from the host computer;
c. forwarding the received spin-up or spin-down request to the second tier storage apparatus; and
d. checking, at the second tier storage apparatus, if all volumes in a parity group have \u201cspin-down\u201d status and in the case the all volumes in the parity group have the \u201cspin-down\u201d status, spinning-down all HDDs in the parity group.