Added section on creating ccd(4) volumes. Commands submitted by Stan
Brown (stanb@awod.com). Submitted by: Doug White <dwhite@resnet.uoregon.edu>
This commit is contained in:
John Fieber
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3 changed files with 141 additions and 3 deletions
en/tutorials/diskformat
en_US.ISO8859-1/articles/formatting-media
en_US.ISO_8859-1/articles/formatting-media
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@ -1,5 +1,5 @@
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<!DOCTYPE BOOK PUBLIC "-//Davenport//DTD DocBook V3.0//EN">
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<!-- $Id: diskformat.docb,v 1.3 1997-09-20 05:34:02 jfieber Exp $ -->
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<!-- $Id: diskformat.docb,v 1.4 1997-11-28 21:48:46 jfieber Exp $ -->
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<book>
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<bookinfo>
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@ -383,6 +383,52 @@ mount /dev/wd2 /usr/home
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</screen>
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</informalexample>
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</para>
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</sect1>
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<sect1>
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<title>Creating Striped Disks using CCD</title>
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<para>Commands Submitted By: Stan Brown (<email>stanb@awod.com</email>) </para>
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<para>
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The Concatenated Disk Driver, or CCD, allows you to treat several identical disks as a single disk.
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Striping can result in increased disk performance by distributing reads and
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writes across the disks. See the ccd(4) and ccdconfig(4) man pages or the
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<ulink URL="http://stampede.cs.berkeley.edu/ccd/">CCD Homepage</ulink> for further details.</para>
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<para>To create a new CCD, execute the following commands. This describes
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how to add three disks together; simply add or remove devices as
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necessary. Remember that the disks to be striped must be <emphasis>identical.</></para>
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<para>Before executing these commands, make sure you add the line
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<userinput>
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pseudo-device ccd 4
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</userinput>
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to your kernel.</para>
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<informalexample>
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<screen>
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<userinput>
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cd /dev ; sh MAKDEV ccd0
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disklabel -r -w sd0 auto
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disklabel -r -w sd1 auto
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disklabel -r -w sd2 auto
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disklabel -e sd0c # change type to 4.2BSD
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disklabel -e sd1c # change type to 4.2BSD
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disklabel -e sd2c # change type to 4.2BSD
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ccdconfig ccd0 32 0 /dev/sd0c /dev/sd2c /dev/sd2c
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newfs /dev/rccd0c
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</userinput>
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</screen>
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</informalexample>
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<para>Now you can mount and use your CCD by referencing device /dev/ccd0c.
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</para>
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</sect1>
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</chapter>
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@ -1,5 +1,5 @@
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<!DOCTYPE BOOK PUBLIC "-//Davenport//DTD DocBook V3.0//EN">
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<!-- $Id: article.sgml,v 1.3 1997-09-20 05:34:02 jfieber Exp $ -->
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<!-- $Id: article.sgml,v 1.4 1997-11-28 21:48:46 jfieber Exp $ -->
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<book>
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<bookinfo>
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@ -383,6 +383,52 @@ mount /dev/wd2 /usr/home
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</screen>
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</informalexample>
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</para>
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</sect1>
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<sect1>
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<title>Creating Striped Disks using CCD</title>
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<para>Commands Submitted By: Stan Brown (<email>stanb@awod.com</email>) </para>
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<para>
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The Concatenated Disk Driver, or CCD, allows you to treat several identical disks as a single disk.
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Striping can result in increased disk performance by distributing reads and
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writes across the disks. See the ccd(4) and ccdconfig(4) man pages or the
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<ulink URL="http://stampede.cs.berkeley.edu/ccd/">CCD Homepage</ulink> for further details.</para>
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<para>To create a new CCD, execute the following commands. This describes
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how to add three disks together; simply add or remove devices as
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necessary. Remember that the disks to be striped must be <emphasis>identical.</></para>
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<para>Before executing these commands, make sure you add the line
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<userinput>
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pseudo-device ccd 4
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</userinput>
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to your kernel.</para>
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<informalexample>
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<screen>
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<userinput>
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cd /dev ; sh MAKDEV ccd0
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disklabel -r -w sd0 auto
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disklabel -r -w sd1 auto
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disklabel -r -w sd2 auto
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disklabel -e sd0c # change type to 4.2BSD
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disklabel -e sd1c # change type to 4.2BSD
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disklabel -e sd2c # change type to 4.2BSD
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ccdconfig ccd0 32 0 /dev/sd0c /dev/sd2c /dev/sd2c
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newfs /dev/rccd0c
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</userinput>
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</screen>
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</informalexample>
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<para>Now you can mount and use your CCD by referencing device /dev/ccd0c.
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</para>
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</sect1>
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</chapter>
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@ -1,5 +1,5 @@
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<!DOCTYPE BOOK PUBLIC "-//Davenport//DTD DocBook V3.0//EN">
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<!-- $Id: article.sgml,v 1.3 1997-09-20 05:34:02 jfieber Exp $ -->
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<!-- $Id: article.sgml,v 1.4 1997-11-28 21:48:46 jfieber Exp $ -->
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<book>
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<bookinfo>
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@ -383,6 +383,52 @@ mount /dev/wd2 /usr/home
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</screen>
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</informalexample>
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</para>
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</sect1>
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<sect1>
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<title>Creating Striped Disks using CCD</title>
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<para>Commands Submitted By: Stan Brown (<email>stanb@awod.com</email>) </para>
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<para>
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The Concatenated Disk Driver, or CCD, allows you to treat several identical disks as a single disk.
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Striping can result in increased disk performance by distributing reads and
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writes across the disks. See the ccd(4) and ccdconfig(4) man pages or the
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<ulink URL="http://stampede.cs.berkeley.edu/ccd/">CCD Homepage</ulink> for further details.</para>
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<para>To create a new CCD, execute the following commands. This describes
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how to add three disks together; simply add or remove devices as
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necessary. Remember that the disks to be striped must be <emphasis>identical.</></para>
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<para>Before executing these commands, make sure you add the line
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<userinput>
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pseudo-device ccd 4
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</userinput>
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to your kernel.</para>
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<informalexample>
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<screen>
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<userinput>
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cd /dev ; sh MAKDEV ccd0
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disklabel -r -w sd0 auto
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disklabel -r -w sd1 auto
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disklabel -r -w sd2 auto
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disklabel -e sd0c # change type to 4.2BSD
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disklabel -e sd1c # change type to 4.2BSD
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disklabel -e sd2c # change type to 4.2BSD
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ccdconfig ccd0 32 0 /dev/sd0c /dev/sd2c /dev/sd2c
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newfs /dev/rccd0c
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</userinput>
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</screen>
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</informalexample>
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<para>Now you can mount and use your CCD by referencing device /dev/ccd0c.
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</para>
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</sect1>
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</chapter>
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