![]() ![]() Performance in sequential reads of large files, by prefetching additional blocks inĪnticipation of them being needed by the running task. a Get/set sector count for filesystem (software) read-ahead. d) will query (get) the device state, and with a parameter When no options are given, -acdgkmur is assumed. Some options may work correctly only with the latest recent WD "Passport" modelsĪnd recent NexStar-3 enclosures. Translation) and therefore may also work with hdparm. (2008 and later) USB drive enclosures now also support "SAT" (SCSI-ATA Command Linux SATA/PATA/SAS "libata" subsystem and the older IDE driver subsystem. Hdparm - get/set SATA/IDE device parametersĭESCRIPTION hdparm provides a command line interface to various kernel interfaces supported by the
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