HP StorageWorks MSA2012i HP StorageWorks 2000 Modular Smart Array Reference Gu - Page 175
Select Monitor > Statistics > Disk Error Stats.
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Field Description I/O Timeout Count The number of times the drive accepted an I/O request but did not complete it in the required amount of time. Excessive timeouts can indicate potential device failure (media retries or soft, recoverable errors) No Response Count The number of times the drive failed to respond to an I/O request. A high value can indicate that the drive is too busy to respond to further requests. Spin-up Retries The number of times the drive failed to start on power-up or on a software request. Excessive spin-up retries can indicate that a drive is close to failing. Media Errors The number of times the drive had to retry an I/O operation because the media did not successfully record/retrieve the data correctly. Non Media Errors The number of soft, recoverable errors that are not associated with drive media. Bad Block Reassignments The number of block reassignments that have taken place since the drive was shipped from the vendor. A large number of reallocations in a short period of time could indicate a serious condition. Bad Block List Size The number of blocks that have been deemed defective either from the vendor or over time due to reallocation. To view disk drive information and error statistics: 1. Select Monitor > Statistics > Disk Error Stats. 2. Select the disk drive whose error statistics you want to view. 3. Click Show Disk Drive Error Statistics. To clear the disk drive error data for the selected drive: ● Click Clear Selected Disk Drive Error Statistics. To clear the disk drive error data for all drives: ● Click Clear All Disk Drive Error Statistics. Chapter 5 Monitoring System Status 175