On Fri, Jul 07, 2006 at 02:07:29PM +0100 or thereabouts, Jensen, J (Jens) wrote:
> GridPP hasn't (officially) supported Classic SEs since, er, a
> long time ago. So LCG "stopping support" won't make any difference.
>
> It is at least 6 months ago we recommended migrating away, and
> to a good approximation we don't have any left.
>
> Experience has shown the superhero approach works best in
> vanquishing the manxome ClassicSE from the tulgey Grid, in
> general.
>
> So I suppose we should clean them up but I am not terribly
> concerned or in a hurry about it.
Agreed , I'll stress this point at the Monday ops meeting. We are
well ahead of the field on this one. In fact like a lot of things.
Steve
>
> Cheers,
> --jens
>
> -----Original Message-----
> From: GRIDPP2: Deployment and support of SRM and local storage
> management [mailto:[log in to unmask]]On Behalf Of Coles, J
> (Jeremy)
> Sent: 07 July 2006 13:23
> To: [log in to unmask]
> Subject: FW: Classic SE to DPM migration
>
>
> Dear All
>
> Please could you note the mail below? As far as I can see only Lancaster
> and Sheffield still publish a Classic SE. An item for the next storage
> group meeting?
>
> John
>
> You probably saw the announcement directly but just it case it impacts
> any Grid Ireland site I am copying you in to he mail.
>
> Jeremy
>
> -----Original Message-----
> From: Maite Barroso Lopez [mailto:[log in to unmask]]
> Sent: 07 July 2006 09:09
> To: project-egee-roc-managers (EGEE ROC managers and alternates)
> Subject: Classic SE to DPM migration
>
> Dear ROC managers,
>
> We are planning to stop the support for the Classic SE around autumn.
> The main reason for this is the lack of ACL's/VOMS support.
>
> The recommended strategy is to migrate to the Disk Pool Manager (DPM).
> The migration has been tested and already performed by some sites, and
> the needed migrating scripts are provided (see attached mail for more
> details).
>
> Could you, please, pass this message to the sites in your region and
> start planning and following up the migration with them?
> We'll follow up the progress at the ROC managers and weekly operations
> meetings.
>
> Thanks in advance,
>
> Maite
>
> ------------------------------------------------------
>
> For all sites running a Classic SE:
>
> We would like to inform you that the Disk Pool Manager (DPM) offers a
> good replacement solution for disk space storage. Indeed, on top of the
> Classic SE features, the DPM provides :
> - Logical Namespace,
> - Authorization and ACLs,
> - Manageable storage (easy to add/remove disk space),
> - Automatic garbage collection.
>
> The DPM also supports the SRM protocol, that is required by many VOs.
>
> More details about the DPM, in the administration point of view, are
> given in this presentation :
> http://indico.cern.ch/contributionDisplay.py?contribId=3&sessionId=s0&co
> nfId=a058483
>
>
> When migrating from a Classic SE to the DPM, the existing physical files
>
> don't need to be moved.
> Only a metadata operation is required : the exisiting files have to be
> registered in the DPM Name Server. Of course, we provide a script to do
> this automatically.
>
> The migration procedure is describe here:
> https://twiki.cern.ch/twiki/bin/view/LCG/ClassicSeToDpm
--
Steve Traylen
[log in to unmask]
http://www.gridpp.ac.uk/
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