[Samba] name mangling makes 8.3 unreadable unlike Windows fileserver

Jeremy Allison jra at samba.org
Thu Oct 3 12:38:23 MDT 2013

On Thu, Oct 03, 2013 at 10:17:18AM -0400, Kevin Field wrote:
> Hi,
> I'm cross-posting here from serverfault.com in case anyone can help.
> I just found a similar question on askubuntu.com also without an
> answer.
> Switched recently from W2K3 to Samba4.0.9/CentOS6.4 for our
> fileshare for WinXP clients.
> Have an ancient (1995!) piece of software that uses 8.3 filename
> format. After the switch, long filenames became useless in the
> context of the File->Open dialog box. Instead of the first few
> characters, we get maybe 1 character the same if we're lucky, which
> in a directory of thousands makes it impossible to find. For
> example, instead of "S:\Air conditioning control system" becoming
> "S:\AIRCON~1" like it would before, it's displayed in this program
> as "S:\A51FHG~S".
> In our directory of client identifiers with their contact names
> appended, formerly directory mangling would leave enough characters
> intact that client identifiers could still be used. Not anymore.
> None of the settings in the docs seem to talk about this exact
> problem. In fact, they seem to show it the way we were used to. Our
> smb.conf doesn't use any of the settings because the defaults seem
> to be what we want, according to the docs. Any hints?

This is the mangling method that changed to hash2 (gives
better protection against duplicates).

Use the smb.conf parameter "mangling method = hash"
to change it back to the way it used to be.


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