[Samba] Configuring aio_pthread
jra at samba.org
Wed Sep 10 10:57:33 MDT 2014
On Wed, Sep 10, 2014 at 09:30:24AM -0500, Andrew Walker wrote:
> I'm trying to learn more about samba by experimenting with samba on
> FreeNAS. This involves a certain amount of reading how default smb4.conf
> parameters are set in FreeNAS and then reading the manpages for those
Exactly what Samba version is being shipped ?
> Async I/O is implemented in samba in freenas via the aio_pthread VFS
> module. The manpage for vfs_aio_pthread states:
> "the smb.conf parameters aio read size and aio write size must also be set
> appropriately for this module to be active"
> These parameters (aio read size and aio write size) are not set by default
> in the smb.conf. The manpage implies that this would render the
> vfs_aio_pthread module inactive. I have a few questions in this direction.
> 1) Is my understanding of the manpage correct?
> 2) Is there a quick and easy way of determining async I/O is being
> performed via CIFS?
> 3) Are the any good rules of thumb for determining proper aio read and
> write sizes?
If you want aio, just set sizes to 1 (make all I/O aio).
FYI. In latest Samba versions 4.1.x, pthread aio is automatically
built-in by default. You don't need to use aio_pthread any more.
> For reference, a typical share is set up as follows:
> path = /mnt/Tank/Users
> printable = no
> veto files = /.snap/.windows/.zfs/
> writeable = yes
> browseable = yes
> recycle:repository = .recycle/%U
> recycle:keeptree = yes
> recycle:versions = yes
> recycle:touch = yes
> recycle:directory_mode = 0777
> recycle:subdir_mode = 0700
> vfs objects = zfsacl streams_xattr aio_pthread
> hide dot files = yes
> guest ok = no
> nfs4:mode = special
> nfs4:acedup = merge
> nfs4:chown = yes
> zfsacl:acesort = dontcare
> Any pointers would be much appreciated.
> To unsubscribe from this list go to the following URL and read the
> instructions: https://lists.samba.org/mailman/options/samba
More information about the samba