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authormav <mav@FreeBSD.org>2014-11-06 00:48:36 +0000
committermav <mav@FreeBSD.org>2014-11-06 00:48:36 +0000
commite22f45febced94fa20499d8f0e1ac165420b311f (patch)
treea7ac3756c88f1b3d46b44245bc78d1a55eb63a56 /usr.sbin/ctladm
parent7f33ec799c2121befb5f0a4ad517023aa0bbb3f7 (diff)
downloadFreeBSD-src-e22f45febced94fa20499d8f0e1ac165420b311f.zip
FreeBSD-src-e22f45febced94fa20499d8f0e1ac165420b311f.tar.gz
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. MFC after: 2 weeks 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 3a1dc11..23f63d4 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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