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author | mav <mav@FreeBSD.org> | 2014-11-20 01:55:12 +0000 |
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committer | mav <mav@FreeBSD.org> | 2014-11-20 01:55:12 +0000 |
commit | 6414b04c27c11b1fb58b7605fde9797ffe3dfa32 (patch) | |
tree | b3e695871eabeae5b0f9c125f54622c300f3baf5 /usr.sbin/ctladm | |
parent | 3f382b8a2d8301dde56a5e8b9bde1a25c1bcca19 (diff) | |
download | FreeBSD-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.8 | 10 |
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 |