Data storage devices having IP capable partitions

• US 8,005,918 B2
• Filed: 12/16/2002
• Issued: 08/23/2011
• Est. Priority Date: 11/12/2002
• Status: Expired due to Fees

• Current Assignee: ServStor Technologies, LLC (IP Investments Group LLC)
• Original Assignee: Rateze Remote Mgmt. L.L.C. (Intellectual Ventures LLC)
• Inventors: Hanan, Thomas, Ludwig, Thomas, Babbitt, William, Frank, Charles
• Primary Examiner(s): Lazaro; David
• Assistant Examiner(s): HENRY, MARIEGEORGES A
• Application Number:
  US10/473,509
• Publication Number:
  US 20040215688A1
• Time in Patent Office: 3,172 Days
• Field of Search: 709/238, 709/219, 709/229, 709/245, 709/217, 714/6, 714/7, 707/4, 711/111
• US Class Current: 709/217
• CPC Class Codes: H04L 12/28 characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks] wireless communication networks H04W ; arrangements for dividing the transmission path H04W40/00
• CPC Class Codes: H04L 12/2803 Home automation networks
• CPC Class Codes: H04L 12/2832 Interconnection of the control functionalities between home networks single bridge functionality H04L12/4625
• CPC Class Codes: H04L 12/2836 Protocol conversion between an external network and a home network controlling appliance services of a home automation network from a device located outside the home and the home network H04L12/2818; protocol conversion H04L69/08; adaptation of digital video signals for transport over a specific home network H04N7/24
• CPC Class Codes: H04L 12/46 Interconnection of networks
• CPC Class Codes: H04L 12/4616 LAN interconnection over a LAN backbone
• CPC Class Codes: H04L 12/66 Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
• CPC Class Codes: H04L 41/00 Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
• CPC Class Codes: H04L 61/00 Network arrangements, protocols or services for addressing or naming
• CPC Class Codes: H04L 61/35 involving non-standard use of addresses for implementing network functionalities, e.g. coding subscription information within the address or functional addressing, i.e. assigning an address to a function
• CPC Class Codes: H04L 67/1097 for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
• CPC Class Codes: H04L 69/16 Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
• CPC Class Codes: H04L 69/161 Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

A storage device (300) has partitions (310A, 310B, 310C, 320A, 320B, 320C, 330) that are separately addressed by distinct IP addresses (IP1, IP2, IP3, IP4, IP5, IP7, IP9). This allows direct access of the partitions (310A, 310B, 310C, 320A, 320B, 320C, 330), on a peer-to-peer basis, by any other device that can communicate using IP. Preferred storage devices support spanning between or among partitions of the same device, as well as between or among different storage devices. Both multicast and proxy spanning are contemplated. Combinations of the inventive storage devices with each other, and with prior art storage devices are contemplated, in all manner of mirroring and other arrangements. In still other aspects of the invention, a given storage device can comprise one or more types of media, including any combination of rotating and non-rotating media, magnetic and optical, and so forth.

Claims

1. An apparatus comprising:

one or more storage media having a plurality of partitions; and

a storage element communicatively coupled to the one or more storage media and configured

to receive a packet, via a network connection, the packet including an internet protocol (IP) address and a logical block address (LBA);

to determine that the IP address identifies a first partition of the plurality of partitions and the LBA corresponds to a second partition of the plurality of partitions, the first partition and the second partition being non-consecutive partitions, and

to access the second partition based at least in part on the received packet to implement a proxy span.

2. The apparatus of claim 1, wherein the storage elements comprises a packet-to-block translator.

3. The apparatus of claim 1, wherein the LBA corresponds to a physical block in the second partition.

4. The apparatus of claim 1, wherein the storage element is configured to receive the packet from a network peer.

5. The apparatus of claim 1, wherein the storage elements is configured to implement a protocol compatible with a user datagram protocol communication and a transmission control protocol communication.

6. The apparatus of claim 1, wherein the packet comprises a user datagram protocol packet.

7. The apparatus of claim 1, wherein the first partition is on a first storage medium of the one or more storage media and the second partition is on a second storage medium of the one or more storage media.

8. The apparatus of claim 7, wherein the first and second storage media are different types of storage media.

9. The apparatus of claim 1, wherein the IP address or another IP address identifies a multicast set of the plurality of partitions, the multicast set having a number of partitions that is less than a total number of the plurality of partitions, the multicast set further including at least two non-consecutive partitions.

10. The apparatus of claim 1, wherein the IP address uniquely identifies the first partition.

11. The apparatus of claim 1, wherein the LBA corresponds to a block within the second partition of the at least two non-consecutive partitions and does not correspond to any block within first partition.

12. The apparatus of claim 1, wherein the storage element is further configured to implement a multicast span.

13. The apparatus of claim 1, wherein the storage element is further configured to access a plurality of blocks within a respective plurality of partitions based at least in part on the LBA, the block address, and the IP address.

14. The apparatus of claim 1, wherein the IP address is a first IP address, the storage element is a first storage element, and the first storage element is further configured to send a message to a second storage element, associated with the second partition, to access the second partition, wherein the message includes a second IP address that identifies the second partition.

15. The apparatus of claim 1, wherein the packet includes a command and the storage element is configured to execute the command in the second partition independent of any other received packets.

16. A method comprising:

receiving, by a storage element, a packet via a network connection, the packet including an internet protocol (IP) address and a logical block address (LBA);

determining, by the storage element, that the IP address identifies a first partition of a plurality of partitions on one or more storage media;

determining, by the storage element, that the LBA corresponds to a second partition of the plurality of partitions, wherein the first partition and the second partition are non-consecutive partitions; and

accessing, by the storage element, the second partition based at least in part on the received packet to implement a proxy span.

17. The method of claim 16, wherein the first partition is on a first storage medium of the one or more storage media and the second partition is on a second

18. The method of claim 16, wherein the IP address or another IP address identifies a multicast set of the plurality of partitions, the multicast set having a number of partitions that is less than a total number of the plurality of partitions, the multicast set further including at least two non-consecutive partitions. storage medium of the one or more storage media.

19. The method of claim 16, wherein the IP address uniquely identifies the first partition.