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Home > Archive > Data Storage > February 2005 > CIFS "Directory Change Notification" support
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CIFS "Directory Change Notification" support
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| Martin Connell 2005-02-26, 8:45 pm |
| Dear All,
I'm wondering to what extent popular NAS and SAN devices support the
Directory Change Notification feature of the CIFS/SMB protocol. I know that
anything running Windows does support it, and I think SAMBA doesn't, but am
curious about the other devices, e.g. NetApp, Adaptec, etc.
Any help much appreciated.
Regards,
Martin.
Keyword: NT_TRANSACT_NOTIFY_CHANGE
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| David Chatterton 2005-02-26, 8:45 pm |
| Martin Connell wrote:
> Dear All,
> I'm wondering to what extent popular NAS and SAN devices support the
> Directory Change Notification feature of the CIFS/SMB protocol. I know that
> anything running Windows does support it, and I think SAMBA doesn't, but am
> curious about the other devices, e.g. NetApp, Adaptec, etc.
> Any help much appreciated.
> Regards,
> Martin.
>
> Keyword: NT_TRANSACT_NOTIFY_CHANGE
>
>
With CXFS (SGI's clustered XFS filesystem) we support directory
notification on Windows clients, but only for changes performed
by that host on that directory. There is no protocol notifying
other hosts in the cluster of directory changes, there is no
central hosts tracking these across the cluster - its just too
expensive for little gain. If you care, press F5 and refresh
the display.
David
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| Christoph Hellwig 2005-02-28, 2:45 am |
| On Sun, Feb 27, 2005 at 12:52:30AM -0000, Martin Connell wrote:
> Dear All,
> I'm wondering to what extent popular NAS and SAN devices support the
> Directory Change Notification feature of the CIFS/SMB protocol. I know that
> anything running Windows does support it, and I think SAMBA doesn't, but am
> curious about the other devices, e.g. NetApp, Adaptec, etc.
Samba supports it if the underlying OS/filesystem supports it. E.g. XFS
on IRIX or Linux.
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