svn commit: r348492 - stable/12/share/man/man4

[Eugene Grosbein]

Author: eugen
Date: Sat Jun  1 13:22:56 2019
New Revision: 348492
URL: https://svnweb.freebsd.org/changeset/base/348492

Log:
  MFC r345085 for mfi.4, mrsas.4: document how to get ATA TRIM support
  for SSD while using LSI RAID adapters as it was completely obscure
  before: mfi has no TRIM support at all and mrsas provides TRIM
  if underlying adapter does it (for Non-RAID drives generally).

Modified:
  stable/12/share/man/man4/mfi.4
  stable/12/share/man/man4/mrsas.4
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/share/man/man4/mfi.4
==============================================================================
--- stable/12/share/man/man4/mfi.4	Sat Jun  1 03:03:48 2019	(r348491)
+++ stable/12/share/man/man4/mfi.4	Sat Jun  1 13:22:56 2019	(r348492)
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 15, 2013
+.Dd March 13, 2019
 .Dt MFI 4
 .Os
 .Sh NAME
@@ -84,6 +84,12 @@ then the driver will reduce its probe priority to allo
 .Cd mrsas
 to attach to the card instead of
 .Nm .
+.Pp
+.Nm
+does not provide ATA TRIM support.
+Refer to
+.Cd mrsas
+if TRIM support is required.
 .Sh HARDWARE
 The
 .Nm

Modified: stable/12/share/man/man4/mrsas.4
==============================================================================
--- stable/12/share/man/man4/mrsas.4	Sat Jun  1 03:03:48 2019	(r348491)
+++ stable/12/share/man/man4/mrsas.4	Sat Jun  1 13:22:56 2019	(r348492)
@@ -34,7 +34,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 8, 2014
+.Dd Mar 13, 2019
 .Dt MRSAS 4
 .Os
 .Sh NAME
@@ -117,6 +117,12 @@ at probe call for device id's 0x005B, 0x005D, and
 0x005F so that
 .Nm
 does not take control of these devices without user intervention.
+.Pp
+Solid-state drives (SSD) get ATA TRIM support with
+.Nm
+if underlying adapter allows it.
+This may require configuring SSD as Non-RAID drive
+rather then JBOD virtual mode.
 .Sh HARDWARE
 The
 .Nm