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Be a little clearer about when and when not to set this option.

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Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Mon Mar 28 23:59:47 CEST 2011 on sn-devel-104
This commit is contained in:
Jeremy Allison 2011-03-28 14:12:36 -07:00
parent 52602e4f5a
commit 67aa53a1e1
1 changed files with 8 additions and 4 deletions
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12
docs-xml/smbdotconf/tuning/strictallocate.xml
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@ -9,10 +9,14 @@
disk storage blocks when a file is extended to the Windows behaviour disk storage blocks when a file is extended to the Windows behaviour
of actually forcing the disk system to allocate real storage blocks 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 when a file is created or extended to be a given size. In UNIX
terminology this means that Samba will stop creating sparse files. terminology this means that Samba will stop creating sparse files.</para>
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 <para>This option is really desgined for file systems that support
timeouts.</para> 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 <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 use of unwritten extents which allows Samba to allocate even large amounts