| US 7,562,208 B1 | ||
| Method and system to quarantine system software and configuration | ||
| John Marshal Reed, Morgan Hill, Calif. (US); R. Guy Lauterbach, Penn Valley, Calif. (US); and Michael J. Tuciarone, Cupertino, Calif. (US) | ||
| Assigned to Network Appliance, Inc., Sunnyvale, Calif. (US) | ||
| Filed on Feb. 07, 2002, as Appl. No. 10/71,790. | ||
| Int. Cl. G06F 9/44 (2006.01) | ||
| U.S. Cl. 713—1 [713/2; 717/168; 717/169; 717/170; 717/171; 717/172; 717/173; 717/174; 717/175; 710/260] | 14 Claims |
| 1. A removable nonvolatile memory device for use in a storage system having an operating system kernel, comprising:
a plurality of partitions, each of the plurality of partitions capable of storing differentiated information;
a first kernel image, the first kernel image stored in a first partition of the plurality of partitions wherein the first
kernel image is an upgrade kernel;
a second kernel image, the second kernel image stored in a second partition of the plurality of partitions, wherein the second
kernel image is a last known good kernel; and
a set of diagnostic software, the diagnostic software stored in a third partition of the plurality of partitions.
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