In-drive bus trace
AssigneeSeagate Technology LLC
InventorsAbhay T. Kataria, Harathi Tadepalli, Robert Pomeroy, Daniel J. Coonen, Brandon W. Muhlach
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Abstract
A method for identifying a drive malfunction source includes receiving as input multiple drive event records each recorded by a different one of multiple storage drives in a mass storage system. Among other data, each one of the drive event records including internal tasks performed by the associated storage drive and communications transmitted between an external host and a controller of the associated storage drive. The method may further include comparing the drive event records using a processor to identify at least one discrepancy in recorded drive events indicative of the drive malfunction source.
Claims20
A method for identifying a drive malfunction source, the method comprising:
- receiving as input multiple drive event records each recorded by a different one of multiple storage drives in a mass storage system, one or more of the drive event records including internal tasks performed by an associated one of the storage drives and including communications transmitted between an external host and a controller of the associated one of the storage drives;
- comparing the multiple drive event records to one another with a processor;
- and
- identifying a discrepancy in recorded drive events indicative of the drive malfunction source based on the comparison.
A system comprising:
- an event log analysis engine stored in memory and executable by a processor to:
- receive as input multiple drive event records each recorded by a different one of multiple storage drives in a mass storage system, each one of the drive event records including internal tasks performed by an associated one of the storage drives and also including communications transmitted between an external host and a controller of the associated one of the storage drives;
- and
- compare the multiple drive event records to one another to identify a discrepancy in recorded drive events indicative of a drive malfunction source;
- and
- present the identified discrepancy on a user interface.
One or more non-transitory computer-readable storage media encoding computer-executable instructions for executing on a computer system a computer process comprising:
- receiving as input multiple drive event records each recorded by a different one of multiple storage drives in a mass storage system, each one of the drive event records including internal tasks performed by an associated one of the storage drives and also including communications transmitted between an external host and a controller of the associated one of the storage drives;
- comparing the multiple drive event records to one another with a processor;
- and
- identifying a discrepancy in recorded drive events indicative of a drive malfunction source based on the comparison.
Dependencies are inferred from the claim text.