[Pvfs2-users] Upgrading from PVFS2 1.4.0 to 2.7.0

[Sam Lang]

Hi Paulo,

The release includes a migration utility.  See http://www.pvfs.org/cvs/pvfs-2-7-branch.build/doc/pvfs2-faq/pvfs2-faq.php#SECTION000617000000000000000 
  for further info.

Also, that utility doesn't delete the collections in the old format  
(it saves them in a backup location), unless --cleanup is specified.   
I would recommend running the utility *without* --cleanup first,  
restarting the servers and mounting the PVFS volume to verify that the  
migration was successful.  The old collections can always be removed  
later by running the migration utility again with the --cleanup option.

-sam


On Apr 2, 2008, at 12:48 PM, Paulo Afonso Lopes wrote:
>
> Hello.
>
> After almost 2 years of good use, I need to upgrade PVFS2 1.4.0 on AMD
> x86_64 to 2.7.0. (Well, it was not easy to get 1.4.0 running either on
> x86_64 or on ppc64, so I kept them as long as I could :-)
>
> I have built the daemon and the kernel module, they seem ok.
>
> Now I found, on the 2.6.0 release notice (while searching for  
> "upgrading")
> this:
> "
> * As with 1.5.0 and 1.5.1, the storage format is different from the
> 1.4.0 version and earlier. If you are upgrading to 2.6.0 directly
> from 1.4.0, you must migrate to the new format.
> "
>
> Unfortunatelly, I could not find anything else on that subject. Is  
> there a
> tool and/or procedure to perform the conversion?
>
> Best Regards,
>
> paulo
>
> -- 
> Paulo Afonso Lopes                        | Tel: +351- 21 294 8536
> Departamento de Informática               | 294 8300 ext.10763
> Faculdade de Ciências e Tecnologia        | Fax: +351- 21 294 8541
> Universidade Nova de Lisboa               | e-mail: ****************
> 2829-516 Caparica, PORTUGAL
>
>
>
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