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authormav <mav@FreeBSD.org>2014-11-20 01:55:12 +0000
committermav <mav@FreeBSD.org>2014-11-20 01:55:12 +0000
commit6414b04c27c11b1fb58b7605fde9797ffe3dfa32 (patch)
treeb3e695871eabeae5b0f9c125f54622c300f3baf5 /usr.sbin/ctladm
parent3f382b8a2d8301dde56a5e8b9bde1a25c1bcca19 (diff)
downloadFreeBSD-src-6414b04c27c11b1fb58b7605fde9797ffe3dfa32.zip
FreeBSD-src-6414b04c27c11b1fb58b7605fde9797ffe3dfa32.tar.gz
MFC r274154, r274163:
Add to CTL support for logical block provisioning threshold notifications. For ZVOL-backed LUNs this allows to inform initiators if storage's used or available spaces get above/below the configured thresholds. Sponsored by: iXsystems, Inc.
Diffstat (limited to 'usr.sbin/ctladm')
-rw-r--r--usr.sbin/ctladm/ctladm.810
1 files changed, 9 insertions, 1 deletions
diff --git a/usr.sbin/ctladm/ctladm.8 b/usr.sbin/ctladm/ctladm.8
index ec84ca3..21b1946 100644
--- a/usr.sbin/ctladm/ctladm.8
+++ b/usr.sbin/ctladm/ctladm.8
@@ -34,7 +34,7 @@
.\" $Id: //depot/users/kenm/FreeBSD-test2/usr.sbin/ctladm/ctladm.8#3 $
.\" $FreeBSD$
.\"
-.Dd October 26, 2014
+.Dd November 5, 2014
.Dt CTLADM 8
.Os
.Sh NAME
@@ -1003,6 +1003,14 @@ Specifies nominal form factor of the device: 0 -- not reported, 1 -- 5.25",
2 -- 3.5", 3 -- 2.5", 4 -- 1.8", 5 -- less then 1.8".
.It Va unmap
Set to "on", enables UNMAP support for the LUN, if supported by the backend.
+.It Va avail-threshold
+.It Va used-threshold
+.It Va pool-avail-threshold
+.It Va pool-used-threshold
+Set per-LUN/-pool thin provisioning soft thresholds for ZVOL-backed LUNs.
+LUN will establish UNIT ATTENTION condition if its or pool available space
+get below configured avail values, or its or pool used space get above
+configured used values.
.It Va writecache
Set to "off", disables write caching for the LUN, if supported by the backend.
.El
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