System and method of selection and communication of a disk for storage of a coredump
US8010848B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2007 |
| Grant date | Aug 30, 2011 |
| Priority date | — |
| Expiry date | May 3, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/0727
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
This invention provides a system and method for selecting and communicating a single disk (a “coredump disk”) for use in a coredump procedure by a failed file server (or filer). A selection method on the failed filer determines the “best candidate” coredump disk according to a predetermined set of criteria. For example, the available disks that can receive coredump data are located and ordered so as to prefer disks that best match the coredump data size requirement, are least likely to be needed for normal service by the server; and require the least preparation to receive coredump data. Appropriate attributes on the selected coredump disk are written to indicate that a coredump is in progress, and the location of the coredump data. Upon reboot of the failed filer (or takeover by a cluster partner), the coredump disk is identified and the coredump data recovered by reading back appropriate attributes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.