Does Red Hat Enterprise Linux support the ATA 'TRIM' command or the SCSI 'WRITE SAME' command?

Solution Verified - Updated -

Issue

  • Does Red Hat Enterprise Linux support the ATA 'TRIM' command for Solid State Drives (SSD)?
  • Does Red Hat Enterprise Linux support the ATA 'TRIM' command or the SCSI 'WRITE SAME' command on block devices which support 'discard'?
  • Does my SSD device support TRIM?

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Solid State Drives (SSD) or other storage devices implementing 'discard'

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