svn commit: r43709 - projects/zfsupdate-201307/en_US.ISO8859-1/books/handbook/zfs
Benedict Reuschling
bcr at FreeBSD.org
Fri Jan 31 20:55:49 UTC 2014
Author: bcr
Date: Fri Jan 31 20:55:48 2014
New Revision: 43709
URL: http://svnweb.freebsd.org/changeset/doc/43709
Log:
Minor corrections and wording fixes.
The section on zfs send over SSH needs to be more clear about what exactly
needs to happen on each system for this to work. This will be done in a
separate commit.
Submitted by: bjk@
Modified:
projects/zfsupdate-201307/en_US.ISO8859-1/books/handbook/zfs/chapter.xml
Modified: projects/zfsupdate-201307/en_US.ISO8859-1/books/handbook/zfs/chapter.xml
==============================================================================
--- projects/zfsupdate-201307/en_US.ISO8859-1/books/handbook/zfs/chapter.xml Fri Jan 31 18:43:29 2014 (r43708)
+++ projects/zfsupdate-201307/en_US.ISO8859-1/books/handbook/zfs/chapter.xml Fri Jan 31 20:55:48 2014 (r43709)
@@ -1251,16 +1251,16 @@ tank custom:costcenter -
<title>ZFS Replication</title>
<para>Keeping the data on a single pool in one location exposes
- it to risks like theft, natural and human desasters. Keeping
+ it to risks like theft, natural and human disasters. Keeping
regular backups of the entire pool is vital when data needs to
be restored. ZFS provides a built-in serialization feature
that can send a stream representation of the data to standard
output. Using this technique, it is possible to not only
store the data on another pool connected to the local system,
but also to send it over a network to another system that runs
- ZFS. To achieve this replication, ZFS uses the filesystem
+ ZFS. To achieve this replication, ZFS uses filesystem
snapshots (see the section on <link
- linkend="zfs-zfs-snapshot">ZFS snapshots</link> on how they
+ linkend="zfs-zfs-snapshot">ZFS snapshots</link> for how they
work) to send them from one location to another. The commands
for this operation are <literal>zfs send</literal> and
<literal>zfs receive</literal>, respectively.</para>
@@ -1280,7 +1280,7 @@ mypool 984M 43.7M 940M 4% 1.00x
the primary pool becomes offline. Note that this is not done
automatically by ZFS, but rather done by a system
administrator in case it is needed. First, a snapshot is
- created on <replaceable>mypool</replaceable> to have a backup
+ created on <replaceable>mypool</replaceable> to have a copy
of the current state of the data to send to the pool
<replaceable>backup</replaceable>.</para>
@@ -1291,7 +1291,7 @@ mypool at backup1 0 - 43.
<para>Now that a snapshot exists, <command>zfs send</command>
can be used to create a stream representing the contents of
- the snapshot locally or remote to another pool. The stream
+ the snapshot locally or remotely to another pool. The stream
must be written to the standard output, otherwise ZFS will
produce an error like in this example:</para>
@@ -1324,7 +1324,7 @@ mypool 984M 43.7M 940M 4% 1.00x
it can determine the difference between two snapshots to
only send what has changed between the two. This results in
saving disk space and time for the transfer to another pool.
- The following example demonstrates this:</para>
+ For example:</para>
<screen>&prompt.root; <userinput>zfs snapshot <replaceable>mypool</replaceable>@<replaceable>backup2</replaceable></userinput>
&prompt.root; <userinput>zfs list -t snapshot</userinput>
@@ -1455,9 +1455,10 @@ mypool 50.0M 878M 44.
</itemizedlist>
<para>After these security measures have been put into place
- and <literal>root</literal> can connect passwordless via SSH
- to the receiving system, the encrypted stream can be sent
- using the following commands:</para>
+ and <literal>root</literal> can connect via passwordless via
+ <application>SSH</application> to the receiving system, the
+ encrypted stream can be sent using the following
+ commands:</para>
<screen>&prompt.root; <userinput>zfs snapshot -r <replaceable>mypool/home</replaceable>@<replaceable>monday</replaceable></userinput>
&prompt.root; <userinput>zfs send -R <replaceable>mypool/home</replaceable>@<replaceable>monday</replaceable> | ssh <replaceable>backuphost</replaceable> zfs recv -dvu <replaceable>backuppool</replaceable></userinput></screen>
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