System and method for recovering from a drive failure in a storage array
AssigneeDell Products L.P.
InventorsAhmad Ali, Rohit Chawla, Gary Kotzur, Kevin Marks, Howard Shoobe
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Abstract
A system and method for recovering from a drive failure in a storage array is disclosed in which a spare drive array is provided in the event of a failure in one of the active drives of the storage array. The spare drive array is comprised of multiple drives that are comprised in a RAID 0 configuration to reduce the time required to rebuild the content of the failed drive on the spare drive.
Claims25
A method for recovering from the failure of a drive in a storage array having a redundant storage methodology, comprising the steps of:
- calculating the content of the failed drive;
- and
- writing the content of the failed drive to a Level 0 RAID storage array.
A storage array, comprising:
- a first set of storage drives coupled together as a storage array that is configured store data according to a redundant storage methodology;
- and
- a second set of storage drives coupled together as a storage array;
- wherein, upon the failure of a storage drive of the first, the data of the failed storage drive can be written to the multiple drives of the second set of storage drives;
- and
- wherein the process of writing of the data of the failed storage drive to the multiple drives of the second set of storage drives is operable to occur more quickly as compared to the writing of the data of the failed storage drive to a single storage drive.
A method for recovering from a drive failure in a first storage array, comprising the steps of:
- identifying the failed drive of the first storage array;
- determining the contents of the failed drive;
- writing the contents of the failed drive across the multiple drives of a second storage array.
Dependencies are inferred from the claim text.