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 _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
