<section><title>LFS limits for DoM component size</title>
<para><literal>lfs setstripe</literal> allows for setting the
component size for MDT layouts up to 1GB, however, the size must
- be also aligned by 64KB. This is the maximum possible size on MDT.
+ also be aligned by 64KB due to the minimum stripe size in Lustre
+ (see <xref linkend="settinguplustresystem.tab2"/>). This value
+ represents the maximum possible size of the component on the MDT.
Meanwhile, there is another limit which is checked by
- <literal>lfs setstripe</literal> is provided by MDT server itself.
- </para>
+ <literal>lfs setstripe</literal> and is provided by the MDT
+ server itself.</para>
</section>
<section><title>MDT Server Limits</title>
<para>The LOD parameter <literal>dom_stripesize</literal> is used
</section>
<section><title>Temporary Set Examples</title>
<para>The example below shows a change to the default DoM limit on
- the server to 32KB and try to create a file with 1MB DoM size
+ the server to 64KB and try to create a file with 1MB DoM size
after that.
- <screen>mds# lctl set_param -n lod.*MDT0000*.dom_stripesize=32K
+ <screen>mds# lctl set_param -n lod.*MDT0000*.dom_stripesize=64K
mds# lctl get_param -n lod.*MDT0000*.dom_stripesize
-32768
+65536
client$ lfs setstripe -E 1M -L mdt /mnt/lustre/dom
Create composite file /mnt/lustre/dom failed. Invalid argument