NEX-6088 ZFS scrub/resilver take excessively long due to issuing lots of random IO (reverting a mismerge in zpool-features.5)
NEX-6088 ZFS scrub/resilver take excessively long due to issuing lots of random IO
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
NEX-6197 Description of feature@wbc is incorrect
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
NEX-4584 System panic when adding special vdev to a pool that does not support feature flags
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Reviewed by: Steve Peng <steve.peng@nexenta.com>
NEX-5795 Rename 'wrc' as 'wbc' in the source and in the tech docs
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
4185 add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R (fix studio build)
4185 add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Approved by: Garrett D'Amore <garrett@damore.org>
NEX-4476 WRC: Allow to use write back cache per tree of datasets
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
Revert "NEX-4476 WRC: Allow to use write back cache per tree of datasets"
This reverts commit fe97b74444278a6f36fec93179133641296312da.
NEX-4476 WRC: Allow to use write back cache per tree of datasets
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
SUP-817 Removed references to special device from man and help
Revert "SUP-817 Removed references to special device"
This reverts commit f8970e28f0d8bd6b69711722f341e3e1d0e1babf.
SUP-817 Removed references to special device
4370 avoid transmitting holes during zfs send
4371 DMU code clean up
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Garrett D'Amore <garrett@damore.org>
OS-102 add man page info and tests for vdev/CoS properties and ZFS meta features

*** 1,10 ****
--- 1,11 ----
  '\" te
  .\" 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.
  .\" Copyright (c) 2014 Integros [integros.com]
+ .\" Copyright (c) 2016, Nexenta Systems, Inc. All rights reserved.
  .\" The contents of this file are subject to the terms of the Common Development
  .\" and Distribution License (the "License").  You may not use this file except
  .\" in compliance with the License. You can obtain a copy of the license at
  .\" usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.
  .\"
*** 13,23 ****
  .\" CDDL HEADER in each file and include the License file at
  .\" usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this
  .\" CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your
  .\" own identifying information:
  .\" Portions Copyright [yyyy] [name of copyright owner]
! .TH ZPOOL-FEATURES 5 "Aug 27, 2013"
  .SH NAME
  zpool\-features \- ZFS pool feature descriptions
  .SH DESCRIPTION
  .LP
  ZFS pool on\-disk format versions are specified via "features" which replace
--- 14,24 ----
  .\" CDDL HEADER in each file and include the License file at
  .\" usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this
  .\" CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your
  .\" own identifying information:
  .\" Portions Copyright [yyyy] [name of copyright owner]
! .TH ZPOOL-FEATURES 5 "Mar 25, 2016"
  .SH NAME
  zpool\-features \- ZFS pool feature descriptions
  .SH DESCRIPTION
  .LP
  ZFS pool on\-disk format versions are specified via "features" which replace
*** 484,495 ****
--- 485,582 ----
  set larger than 128KB.
  
  This feature becomes \fBactive\fR once a \fBrecordsize\fR property has been
  set larger than 128KB, and will return to being \fBenabled\fR once all
  filesystems that have ever had their recordsize larger than 128KB are destroyed.
+ 
  .RE
  
+ .sp
+ .ne 2
+ .na
+ \fB\fBvdev_properties\fR\fR
+ .ad
+ .RS 4n
+ .TS
+ l l .
+ GUID    com.nexenta:vdev_properties
+ READ\-ONLY COMPATIBLE   yes
+ DEPENDENCIES    none
+ .TE
+ 
+ This feature indicates that the pool includes on-disk format changes that
+ support persistent vdev-specific properties. This feature will be
+ \fBactive\fR when the first vdev-specific property is set.
+ 
+ .RE
+ 
+ .sp
+ .ne 2
+ .na
+ \fB\fBcos_properties\fR\fR
+ .ad
+ .RS 4n
+ .TS
+ l l .
+ GUID    com.nexenta:cos_properties
+ READ\-ONLY COMPATIBLE   yes
+ DEPENDENCIES    com.nexenta:vdev_properties
+ .TE
+ 
+ This feature indicates that the pool includes on-disk format changes that
+ support persistent Class of Storage (CoS) properties. Such properties can
+ be associated with a collection of device that belong to a common class
+ from storage management standpoint. This feature will be
+ \fBactive\fR when the first CoS property is set.
+ 
+ .RE
+ 
+ .sp
+ .ne 2
+ .na
+ \fB\fBmeta_devices\fR\fR
+ .ad
+ .RS 4n
+ .TS
+ l l .
+ GUID    com.nexenta:meta_devices
+ READ\-ONLY COMPATIBLE   yes
+ DEPENDENCIES    none
+ .TE
+ 
+ This feature flag indicates presence of special-vdev in the pool. Special
+ vdev is used to speed-up read and write operations and can be used to store
+ ZFS metadata and/or write log (ZIL). In addition, special vdev can function
+ as a writeback cache (WBC) within the pool, accelerating ZFS writes via
+ underlying fast media (typically, write-optimized SSD). 
+ 
+ Note that unlike the first two functions the WBC function is configurable 
+ on a per-dataset tree basis.
+ 
+ .RE
+ 
+ .sp
+ .ne 2
+ .na
+ \fB\fBwbc\fR\fR
+ .ad
+ .RS 4n
+ .TS
+ l l .
+ GUID    com.nexenta:wbc
+ READ\-ONLY COMPATIBLE   no
+ DEPENDENCIES    com.nexenta:meta_devices
+ .TE
+ 
+ When enabled, this feature indicates that the pool supports writeback caching.
+ The latter can be activated on a specific filesystem (and all its children) or
+ a volume (zvol) within the pool by setting the corresponding  \fBwbc_mode\fR
+ property to 'on'. This feature will show up as \fBdisabled\fR if the pool does
+ not contain special-vdev.
+ 
+ .RE
+ 
  .sp
  .ne 2
  .na
  \fB\fBsha512\fR\fR
  .ad