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author | mav <mav@FreeBSD.org> | 2014-11-06 00:48:36 +0000 |
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committer | mav <mav@FreeBSD.org> | 2014-11-06 00:48:36 +0000 |
commit | e22f45febced94fa20499d8f0e1ac165420b311f (patch) | |
tree | a7ac3756c88f1b3d46b44245bc78d1a55eb63a56 /usr.sbin | |
parent | 7f33ec799c2121befb5f0a4ad517023aa0bbb3f7 (diff) | |
download | FreeBSD-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')
-rw-r--r-- | usr.sbin/ctladm/ctladm.8 | 10 |
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 |