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diff --git a/doc/legacy/docbook/admin_directory_Quota.xml b/doc/legacy/docbook/admin_directory_Quota.xml deleted file mode 100644 index 8a1012a6ac2..00000000000 --- a/doc/legacy/docbook/admin_directory_Quota.xml +++ /dev/null @@ -1,179 +0,0 @@ -<?xml version='1.0' encoding='UTF-8'?> -<!-- This document was created with Syntext Serna Free. --><!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "docbookV4.5/docbookx.dtd" []> -<chapter id="chap-Administration_Guide-Dir_Quota"> - <title>Managing Directory Quota </title> - <para>Directory quotas in GlusterFS allow you to set limits on usage of disk space by directories or volumes. -The storage administrators can control the disk space utilization at the directory and/or volume -levels in GlusterFS by setting limits to allocatable disk space at any level in the volume and directory -hierarchy. This is particularly useful in cloud deployments to facilitate utility billing model. - </para> - <para> <note> - <para>For now, only Hard limit is supported. Here, the limit cannot be exceeded and attempts to use -more disk space or inodes beyond the set limit will be denied. -</para> - </note></para> - <para>System administrators can also monitor the resource utilization to limit the storage for the users -depending on their role in the organization. -</para> - <para>You can set the quota at the following levels: - </para> - <itemizedlist> - <listitem> - <para>Directory level – limits the usage at the directory level - </para> - </listitem> - <listitem> - <para>Volume level – limits the usage at the volume level - </para> - </listitem> - </itemizedlist> - <note> - <para>You can set the disk limit on the directory even if it is not created. The disk limit is enforced -immediately after creating that directory. For more information on setting disk limit, see <xref linkend="chap-Administration_Guide-Dir_Quota-Set_Replace"/>. -</para> - </note> - <section id="chap-Administration_Guide-Dir_Quota-Enable"> - <title>Enabling Quota </title> - <para>You must enable Quota to set disk limits. -</para> - <para><emphasis role="bold">To enable quota</emphasis> -</para> - <itemizedlist> - <listitem> - <para>Enable the quota using the following command: -</para> - <para><command># gluster volume quota <replaceable>VOLNAME</replaceable> enable </command></para> - <para>For example, to enable quota on test-volume: -</para> - <programlisting># gluster volume quota test-volume enable -Quota is enabled on /test-volume</programlisting> - </listitem> - </itemizedlist> - </section> - <section id="chap-Administration_Guide-Dir_Quota-Disable"> - <title>Disabling Quota </title> - <para>You can disable Quota, if needed. -</para> - <para><emphasis role="bold">To disable quota:</emphasis> -</para> - <itemizedlist> - <listitem> - <para>Disable the quota using the following command: -</para> - <para><command># gluster volume quota <replaceable>VOLNAME</replaceable> disable </command></para> - <para>For example, to disable quota translator on test-volume: -</para> - <programlisting># gluster volume quota test-volume disable -Quota translator is disabled on /test-volume</programlisting> - </listitem> - </itemizedlist> - </section> - <section id="chap-Administration_Guide-Dir_Quota-Set_Replace"> - <title>Setting or Replacing Disk Limit </title> - <para>You can create new directories in your storage environment and set the disk limit or set disk limit for -the existing directories. The directory name should be relative to the volume with the export -directory/mount being treated as "/". -</para> - <para><emphasis role="bold">To set or replace disk limit</emphasis> -</para> - <itemizedlist> - <listitem> - <para>Set the disk limit using the following command: -</para> - <para><command># gluster volume quota <replaceable>VOLNAME</replaceable> limit-usage /<replaceable>directory</replaceable><replaceable>limit-value</replaceable></command></para> - <para>For example, to set limit on data directory on test-volume where data is a directory under the -export directory: -</para> - <programlisting># gluster volume quota test-volume limit-usage /data 10GB -Usage limit has been set on /data</programlisting> - <para><note> - <para>In a multi-level directory hierarchy, the strictest disk limit will be considered for enforcement. -</para> - </note></para> - </listitem> - </itemizedlist> - </section> - <section id="chap-Administration_Guide-Dir_Quota-Display"> - <title>Displaying Disk Limit Information </title> - <para>You can display disk limit information on all the directories on which the limit is set. -</para> - <para><emphasis role="bold">To display disk limit information</emphasis> -</para> - <itemizedlist> - <listitem> - <para>Display disk limit information of all the directories on which limit is set, using the following -command: -</para> - <para><command># gluster volume quota <replaceable>VOLNAME</replaceable> list</command> -</para> - <para>For example, to see the set disks limit on test-volume: -</para> - <programlisting># gluster volume quota test-volume list - -<emphasis role="underline"> - <emphasis role="underline"><emphasis role="underline">Path</emphasis>__________Limit______Set Size</emphasis> - </emphasis> -/Test/data 10 GB 6 GB -/Test/data1 10 GB 4 GB</programlisting> - </listitem> - <listitem> - <para>Display disk limit information on a particular directory on which limit is set, using the following -command: -</para> - <para><command># gluster volume quota <replaceable>VOLNAME</replaceable> list <replaceable>/directory name</replaceable></command> -</para> - <para>For example, to see the set limit on /data directory of test-volume:</para> - <programlisting># gluster volume quota test-volume list /data - -<emphasis role="underline"><emphasis role="underline">Path</emphasis>__________Limit______Set Size</emphasis> -/Test/data 10 GB 6 GB</programlisting> - </listitem> - </itemizedlist> - </section> - <section id="chap-Administration_Guide-Dir_Quota-Update"> - <title> Updating Memory Cache Size </title> - <para>For performance reasons, quota caches the directory sizes on client. You can set timeout indicating -the maximum valid duration of directory sizes in cache, from the time they are populated. -</para> - <para>For example: If there are multiple clients writing to a single directory, there are chances that some -other client might write till the quota limit is exceeded. However, this new file-size may not get -reflected in the client till size entry in cache has become stale because of timeout. If writes happen -on this client during this duration, they are allowed even though they would lead to exceeding of -quota-limits, since size in cache is not in sync with the actual size. When timeout happens, the size -in cache is updated from servers and will be in sync and no further writes will be allowed. A timeout -of zero will force fetching of directory sizes from server for every operation that modifies file data -and will effectively disables directory size caching on client side. -</para> - <para><emphasis role="bold">To update the memory cache size</emphasis> -</para> - <itemizedlist> - <listitem> - <para>Update the memory cache size using the following command: -</para> - <para><command># gluster volume set <replaceable>VOLNAME</replaceable> features.quota-timeout<replaceable> value</replaceable></command></para> - <para>For example, to update the memory cache size for every 5 seconds on test-volume: -</para> - <programlisting># gluster volume set test-volume features.quota-timeout 5 -Set volume successful</programlisting> - </listitem> - </itemizedlist> - </section> - <section id="chap-Administration_Guide-Dir_Quota-Remove"> - <title>Removing Disk Limit </title> - <para>You can remove set disk limit, if you do not want quota anymore. -</para> - <para><emphasis role="bold">To remove disk limit </emphasis></para> - <itemizedlist> - <listitem> - <para>Remove disk limit set on a particular directory using the following command: -</para> - <para><command># gluster volume quota <replaceable>VOLNAME</replaceable> remove <replaceable>/directory name</replaceable></command> -</para> - <para>For example, to remove the disk limit on /data directory of test-volume: -</para> - <programlisting># gluster volume quota test-volume remove /data -Usage limit set on /data is removed</programlisting> - </listitem> - </itemizedlist> - </section> -</chapter> |