diff options
| -rw-r--r-- | chapter01/changelog.xml | 6 | ||||
| -rw-r--r-- | chapter08/fstab.xml | 15 |
2 files changed, 21 insertions, 0 deletions
diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml index 524e40a63..01962f6d1 100644 --- a/chapter01/changelog.xml +++ b/chapter01/changelog.xml @@ -41,6 +41,12 @@ <para>2009-05-16</para> <itemizedlist> <listitem> + <para>[bdubbs] - Add an explanation about using the barrier + option in fstab. + Fixes + <ulink url="&lfs-ticket-root;2318">#2318</ulink>.</para> + </listitem> + <listitem> <para>[bdubbs] - Add zlib-1.2.3-fPIC-1.patch which allows building static and dynamic libraries in one step. Also moved the libraries to /usr/lib. diff --git a/chapter08/fstab.xml b/chapter08/fstab.xml index 026ec000c..2bf2cb2ad 100644 --- a/chapter08/fstab.xml +++ b/chapter08/fstab.xml @@ -95,4 +95,19 @@ EOF</userinput></screen> <!-- Personally, I find it more foolproof to always specify the iocharset and codepage in /etc/fstab for MS-based filesystems - Alexander E. Patrakov --> + <para>It is possible to make the ext3 filesystem reliable across power + failures for some hard disk types. To do this, add the + <option>barrier=1</option> mount option to the appropriate entry in + <filename>/etc/fstab</filename>. To check if the disk drive supports + this option, run + <ulink url="http://www.linuxfromscratch.org/blfs/view/cvs/general/hdparm.html">hdparm</ulink> + on the applicable disk drive. For example, if:</para> + +<screen><userinput>hdparm -I /dev/sda | grep NCQ</userinput></screen> + + <para>returns non-empty output, the option is supported.</para> + + <para>Note: Logical Volume Management (LVM) based partitions cannot use the + <option>barrier</option> option.</para> + </sect1> |