SATA: Difference between revisions
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Serial ATA is specified by the [http://www.sata-io.org/ SATA International Organization]; the most current revision as of 2009-12-31 is June 2009's SATA 3.0. Intel specifies the [http://www.intel.com/technology/serialata/ahci.htm Advanced Host Controller Interface]; as of 2009-12-31, the most recent revision is 1.3 ([[:File:AHCIrev1_3.pdf]]). | Serial ATA is specified by the [http://www.sata-io.org/ SATA International Organization]; the most current revision as of 2009-12-31 is June 2009's SATA 3.0. Intel specifies the [http://www.intel.com/technology/serialata/ahci.htm Advanced Host Controller Interface]; as of 2009-12-31, the most recent revision is 1.3 ([[:File:AHCIrev1_3.pdf]]). My [[growlight]] tool can provide a great deal of information about attached SATA devices. | ||
==SAS== | ==SAS== | ||
An SFF-8087 connector can fan out to support up to 4 SATA devices. | An SFF-8087 connector can fan out to support up to 4 SATA devices. | ||
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** <tt>echo noop | sudo tee /sys/block/sdX/queue/scheduler</tt>, but I find this highly dubious | ** <tt>echo noop | sudo tee /sys/block/sdX/queue/scheduler</tt>, but I find this highly dubious | ||
* Performance can drop after extensive use | * Performance can drop after extensive use | ||
** Use the | ** Use the secure erase functionality to reset the drive: see [http://forums.extremeoverclocking.com/showthread.php?t=333059 this link] at ExtremeOverclockers | ||
** Again, [[growlight]] can help you here. | |||
==Power Management== | ==Power Management== | ||