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authorJeremy Allison <jra@samba.org>2011-03-28 14:12:36 -0700
committerJeremy Allison <jra@samba.org>2011-03-28 23:59:47 +0200
commit67aa53a1e17e7d94ccbc244476fa6ce7b6b968d2 (patch)
tree5563184a7ba18cd1925002bd421304ccdd54362e
parent52602e4f5ad0f7c3cdb4a50dfe32d0b8ad49b6e4 (diff)
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Be a little clearer about when and when not to set this option.
Autobuild-User: Jeremy Allison <jra@samba.org> Autobuild-Date: Mon Mar 28 23:59:47 CEST 2011 on sn-devel-104
-rw-r--r--docs-xml/smbdotconf/tuning/strictallocate.xml12
1 files changed, 8 insertions, 4 deletions
diff --git a/docs-xml/smbdotconf/tuning/strictallocate.xml b/docs-xml/smbdotconf/tuning/strictallocate.xml
index 1855574776..900c90f215 100644
--- a/docs-xml/smbdotconf/tuning/strictallocate.xml
+++ b/docs-xml/smbdotconf/tuning/strictallocate.xml
@@ -9,10 +9,14 @@
disk storage blocks when a file is extended to the Windows behaviour
of actually forcing the disk system to allocate real storage blocks
when a file is created or extended to be a given size. In UNIX
- terminology this means that Samba will stop creating sparse files.
- This can be slow on some systems. When you work with large files like
- >100MB or so you may even run into problems with clients running into
- timeouts.</para>
+ terminology this means that Samba will stop creating sparse files.</para>
+
+ <para>This option is really desgined for file systems that support
+ fast allocation of large numbers of blocks such as extent-based file systems.
+ On file systems that don't support extents (most notably ext3) this can
+ make Samba slower. When you work with large files over >100MB on file
+ systems without extents you may even run into problems with clients
+ running into timeouts.</para>
<para>When you have an extent based filesystem it's likely that we can make
use of unwritten extents which allows Samba to allocate even large amounts