Method for backup storage device selection
View Patent ↗A method and system for backing up computer data uses a network device to select a storage device in a manner that enhances at least one parameter associated with the backup process.
1. A method for backing up computer data, the method comprising:
using at least one network device to select a storage device based on weighting factors assigned for objective and subjective backup parameters associated with the storage device; and
wherein at least one of the backup parameters is selected from the group consisting of:
whether or not the storage device is an NDMP device;
a speed of the storage device;
network bandwidth required for the backup;
a current network bandwidth pattern;
distance between the network computer being backed up and the storage device;
location of the storage device;
time and day; and
which storage device was used to perform a previous backup.
2. A method for backing up data from a computer on a network, wherein the network comprises a plurality of network computers, a plurality of storage devices, and backup parameters associated with each storage device, the method comprising:
assigning a weighting factor to each of the backup parameters;
multiplying the weighting factor for each backup parameter by the backup parameter to provide a plurality of resulting values associated with each storage device;
determining a score for each storage device based on the resulting values;
selecting one of the plurality of storage devices based on the score;
wherein selecting one of the plurality of storage devices is performed by one of the network computers; and
wherein at least one of the backup parameters is selected from the group consisting of:
whether or not the storage device is an NDMP device;
a speed of the storage device;
network bandwidth required for the backup;
a current network bandwidth pattern;
distance between the network computer being backed up and the storage device;
location of the storage device;
time and day; and
which storage device was used to perform a previous backup.
3. The method as recited in claim 2 , wherein at least one of the backup parameters is selected from the group consisting of:
whether or not media is loaded in the storage device; and
capacity of the storage device.
4. The method as recited in claim 2 , wherein at least one of the backup parameters comprises whether or not media is loaded upon the storage device and the weighting factor of the at least one backup parameter optimizes selecting a storage device having media loaded thereon.
5. The method as recited in claim 2 , wherein at least one of the backup parameters comprises whether or not the storage device is an NDMP device and the weighting factor of the at least one backup parameter optimizes selecting a storage device that is an NDMP device.
6. The method as recited in claim 2 , wherein at least one of the backup parameters comprises a speed of the storage device and the weighting factor of the at least one backup parameter optimizes selecting a storage device having a higher speed than other storage devices.
7. The method as recited in claim 2 , wherein at least one of the backup parameters comprises network bandwidth required for the backup and the weighting factor of the at least one backup parameter optimizes selecting a storage device that minimizes the total amount of network bandwidth required to perform the backup.
8. The method as recited in claim 2 , wherein at least one of the backup parameters comprises a current network bandwidth pattern and the weighting factor of the at least one backup parameter optimizes selecting a storage device that has the least impact upon the current network bandwidth pattern.
9. The method as recited in claim 2 , wherein at least one of the backup parameters comprises distance between the network computer being backed up and the storage device and the weighting factor of the at least one backup parameter optimizes selecting a storage device that minimizes the total distance between the network computer being backed up and the storage device.
10. The method as recited in claim 2 , wherein at least one of the backup parameters comprises location of the storage device and the weighting factor of the at least one backup parameter optimizes selecting a storage device at a location that is different from the location of the network computer being backed up.
11. The method as recited in claim 2 , wherein at least one of the backup parameters comprises location of the storage device and the weighting factor of the at least one backup parameter optimizes selecting a storage device at a location that is the same as the location of the network computer being backed up.
12. The method as recited in claim 2 , wherein at least one of the backup parameters comprises time and day and the weighting factor of the at least one backup parameter optimizes selecting a storage device such that network routing thereto has historically low bandwidth usage at the time and day of backup.
13. The method as recited in claim 2 , wherein at least one of the backup parameters comprises capacity of the storage device and the weighting factor of the at least one backup parameter optimizes selecting a storage device having a lower storage capacity for media currently loaded than does another device.
14. The method as recited in claim 2 , wherein at least one of the backup parameters comprises which storage device was used to perform a previous backup of the network computer and the weighting factor of the at least one backup parameter optimizes selecting the same storage device that was last used to perform a previous backup of the network computer.
15. The method as recited in claim 2 , wherein the backup parameters are selected from the group consisting of:
whether or not media is loaded in the storage device;
whether or not the storage device is an NDMP device;
a speed of the storage device;
network bandwidth required for the backup;
current network bandwidth pattern;
a distance between the network computer being backed up and the storage device;
location of the storage device;
time and day;
capacity of the storage device; and
which storage device was used to perform a previous backup of the network computer.
16. The method as recited in claim 2 , wherein the storage device is selected by determining a weighted value for each backup parameter, by summing the weighted values to provide a score, and by selecting the storage device with the greatest score, the backup parameters being selected from the group consisting of:
whether or not media is loaded in the storage device;
whether or not the storage device is an NDMP device;
a speed of the storage device; network bandwidth required for the backup;
current network bandwidth pattern;
a distance between the network computer being backed up and the storage device;
location of the storage device;
time and day;
capacity of the storage device; and
which storage device was used to perform a previous backup of the network computer.
17. The method as recited in claim 2 , wherein the network computer being backed up and the network computer selecting the storage device are the same network computer.
18. The method as recited in claim 2 , wherein a software core unit selects the storage device and the software core unit is not required to be on the same computer as drivers for the storage device.
19. The method as recited in claim 2 , wherein a software core unit installed on a server selects the storage device.
20. The method as recited in claim 2 , wherein a software core unit installed on a client selects the storage device.
21. The method as recited in claim 2 , wherein the network comprises a client server network.
22. The method as recited in claim 2 , wherein the network comprises a peer-to-peer network.
23. The method as recited in claim 2 , wherein a server is configured to drive a selected storage device.
24. The method as recited in claim 2 , wherein at least one client is configured to drive a selected storage device.
25. The method as recited in claim 2 , wherein a server and at least one client are configured to drive selected storage devices.
26. The method as recited in claim 2 , wherein at least one computer comprises a database within which is stored at least one type of data selected from the group consisting of
storage device configuration;
historical information regarding backups; and
historical information regarding restores.
27. The method as recited in claim 2 , further comprising having a software core unit manage a restore from a storage device to a computer, wherein the software core unit is the same software core unit that manages backups.
28. The method as recited in claim 2 , wherein a software core unit is installed upon each client and server of a network that has the ability to drive a storage device.
29. A method of backing up data from a computer on a network comprising a plurality of network computers and a plurality of storage devices, the method comprising:
for each of a first storage device and a second storage device of the plurality of storage devices:
assigning a weighting factor for each of a location-related backup parameter and a bandwidth-related backup parameter;
multiplying the weighting factor for the location-related backup parameter by the location-related backup parameter and multiplying the weighting factor for the bandwidth-related backup parameter by the bandwidth-related backup parameter to yield a plurality of associated resulting values;
determining a score based at least in part on the plurality of associated resulting values;
determining which of the first storage device and the second storage device is a better backup target for the data based, at least in part, on the score for the first storage device and the score for the second storage device; and
wherein at least one of the location-related backup parameter and the bandwidth-related backup parameter is selected from the group consisting of:
whether or not the storage device is an NDMP device;
a speed of the storage device;
network bandwidth required for the backup;
a current network bandwidth pattern;
distance between the network computer being backed up and the storage device;
location of the storage device;
time and day; and
which storage device was used to perform a previous backup of the network computer.