(8) Tagged Command Queuing
A maximum of 128 commands can be enqueued to this drive. The drive does not have to connect and disconnect to the host controller even if the SCSI command has been issued successively, so the overhead time of the SCSI bus can be reduced.
(9) S.M.A.R.T. (Self - Monitoring, Analysis and Reporting Technology)
This function helps predict a failure related to the degradation of the disk drive itself. For users seeking to use the drive as long as possible, S.M.A.R.T. can be used to predict when failure might occur. The user can use this information to
The S.M.A.R.T. report is written on the disk at regular intervals that are not based on drive usage.
(10)Automatic Read Reallocation
When an error is detected on reading the data, this function automatically assigns
an alternate sector in place of the defective sector and stores the data on the alternated sector.
(11) Write Cache
The controller can return a completion of a WRITE command with a GOOD status after receiving the data from the host but before writing the data from its buffer to the media.
The Deferred Error function reports an Disk Access Error to the host computer if an error occurs when the data are being stored on the disk medium after the GOOD status was already returned. In this case, any data still in the buffer (not yet written to the media) is not assured.
(12) Log Save
Diagnostic information is written on the disk at regular intervals that are not based on drive usage.
Drawing No. Sheet No. Revision ６ | ||
K6610091 | 21/43 | 2005/2/23 |