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author | Eugene Grosbein <eugen@FreeBSD.org> | 2019-03-13 09:48:33 +0000 |
---|---|---|
committer | Eugene Grosbein <eugen@FreeBSD.org> | 2019-03-13 09:48:33 +0000 |
commit | 9405761f7b97f75b92960604544d9d7b695873c2 (patch) | |
tree | 1dbcbb9d71619fa3b4f033af069c31741efafc7f /share | |
parent | 4a21f4c60662a94a20cb56558285b58ae4526af7 (diff) | |
download | src-9405761f7b97f75b92960604544d9d7b695873c2.tar.gz src-9405761f7b97f75b92960604544d9d7b695873c2.zip |
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).
Notes
Notes:
svn path=/head/; revision=345085
Diffstat (limited to 'share')
-rw-r--r-- | share/man/man4/mfi.4 | 8 | ||||
-rw-r--r-- | share/man/man4/mrsas.4 | 8 |
2 files changed, 14 insertions, 2 deletions
diff --git a/share/man/man4/mfi.4 b/share/man/man4/mfi.4 index 088676a9cfbd..12a4ec5290da 100644 --- a/share/man/man4/mfi.4 +++ b/share/man/man4/mfi.4 @@ -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 allow .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 diff --git a/share/man/man4/mrsas.4 b/share/man/man4/mrsas.4 index 2ed2c84cf73a..ad1dec46c637 100644 --- a/share/man/man4/mrsas.4 +++ b/share/man/man4/mrsas.4 @@ -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 |