diff options
Diffstat (limited to 'man/man5/zpool-features.5')
| -rw-r--r-- | man/man5/zpool-features.5 | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/man/man5/zpool-features.5 b/man/man5/zpool-features.5 index 523fd1fd0..ce34a05a2 100644 --- a/man/man5/zpool-features.5 +++ b/man/man5/zpool-features.5 @@ -1,5 +1,5 @@ '\" te -.\" Copyright (c) 2012, 2015 by Delphix. All rights reserved. +.\" Copyright (c) 2013, 2016 by Delphix. All rights reserved. .\" Copyright (c) 2013 by Saso Kiselkov. All rights reserved. .\" Copyright (c) 2014, Joyent, Inc. All rights reserved. .\" The contents of this file are subject to the terms of the Common Development @@ -438,7 +438,49 @@ This feature becomes \fBactive\fR as soon as it is enabled and will never return to being \fBenabled\fR. .RE +.sp +.ne 2 +.na +\fB\fBdevice_removal\fR\fR +.ad +.RS 4n +.TS +l l . +GUID com.delphix:device_removal +READ\-ONLY COMPATIBLE no +DEPENDENCIES none +.TE + +This feature enables the "zpool remove" subcommand to remove top-level +vdevs, evacuating them to reduce the total size of the pool. + +This feature becomes \fBactive\fR when the "zpool remove" command is used +on a top-level vdev, and will never return to being \fBenabled\fR. + +.RE +.sp +.ne 2 +.na +\fB\fBobsolete_counts\fR\fR +.ad +.RS 4n +.TS +l l . +GUID com.delphix:obsolete_counts +READ\-ONLY COMPATIBLE yes +DEPENDENCIES device_removal +.TE +This feature is an enhancement of device_removal, which will over time +reduce the memory used to track removed devices. When indirect blocks +are freed or remapped, we note that their part of the indirect mapping +is "obsolete", i.e. no longer needed. See also the \fBzfs remap\fR +subcommand in \fBzfs\fR(1M). + +This feature becomes \fBactive\fR when the "zpool remove" command is +used on a top-level vdev, and will never return to being \fBenabled\fR. + +.RE .sp .ne 2 .na |