[Samba] speed of samba vs Windows

Ben Metcalfe bwmetcalfe at gmail.com
Thu Jun 28 13:24:20 MDT 2012

...and apologies for doing the "reply to sender/reply to list" thing as
well. :)

On 28 June 2012 20:15, Ben Metcalfe <bwmetcalfe at gmail.com> wrote:

> "That's the point. I am
> pushing the idea that our problem is not using folder redirection and the
> Windows guy is pushing the idea that its samba itself."
> Spot-on.
> Your windows guy just needs to implement a few AD registry tweaks (see
> below etc) to get things working sweetly, and folder redirection (to
> MS-Server or samba/linux) is considered to be best-practice in every
> microsoft house I've ever come across. No-one uses roaming profiles without
> it, unless all their workstations are wired with 10GB ethernet to the most
> over-spec'd server I've ever seen, or their users don't actually roam more
> than once every six months...
> On 28 June 2012 20:09, Ben Metcalfe <bwmetcalfe at gmail.com> wrote:
>> Here's a decent summary of roaming profiles on the latest windows
>> iterations.
>> http://technet.microsoft.com/en-us/library/hh848267
>> "Branche cache" may also be relevant:
>> http://technet.microsoft.com/en-us/library/hh831696
>> WIthout the original windows admin here to query its difficult to be
>> sure, but he might well have been talking about having "offline files"
>> enabled on redirected folders attached to roaming profiles, which will
>> display an rsync-like behaviour when reconnected.
>> "Offline files" works on my illumos-based ZFS/samba NAS (the last time I
>> checked) indistinguishably from the way it does against microsoft smb
>> shares though, so I can't see any reason why it shouldn't work on linux
>> samba... or maybe I'm not testing it rigourously.
>> http://windowsteamblog.com/windows/b/springboard/archive/2010/04/19/understanding-user-state-virtualization-improvements-in-windows-7.aspx
>> Here's an old (but still applicable?) HOWTO for enabling Vista's specific
>> "offline files" efficiently against samba/linux:
>> http://blogs.technet.com/b/filecab/archive/2007/03/16/using-offline-files-with-samba-emc-servers-nas-devices.aspx
>> YMMV on Windows 7 and 8.
>> On 28 June 2012 16:26, Chris Weiss <cweiss at gmail.com> wrote:
>>> On Thu, Jun 28, 2012 at 10:19 AM, Dave Ewart <davee at ceu.ox.ac.uk> wrote:
>>> > On Thursday, 28.06.2012 at 11:07 -0400, Steve Thompson wrote:
>>> >
>>> >> On Thu, 28 Jun 2012, Todor Fassl wrote:
>>> >> >Our Windows guy insists samba is slow but I don't believe it.  He
>>> >> >claims that when you load a roamng profile, Windows downloads only
>>> >> >files that have changed and samba downloads everything. But he
>>> >> >doesn't know anything about samba and I don't know where he got that
>>> >> >from.
>>> >
>>> > However native speed won't be important if, under Samba, a full roaming
>>> > profile is downloaded on each login whereas under Windows an rsync-like
>>> > action takes place to only download minimal changes.  I don't know
>>> > whether that's the case or not, whether it's configurable behaviour
>>> > under either Samba or Windows Server, but it's certainly an interesting
>>> > point.
>>> is it possible that unix file timestamps having a greater precision
>>> than ntfs is causing windows to see a "change"?  I know rsync has an
>>> option to combat this.
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