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Re: errors on restoring postgresql binary dump to glusterfs

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On Mon, Apr 30, 2012 at 8:34 PM, Liang Ma <ma.satops@xxxxxxxxx> wrote:
> Hi There,
> While trying to restore a ~700GM binary dump by command
> pg_restore -d dbdata < sampledbdata-20120327.pgdump
> I encountered following errors repeatedly
> pg_restore: [archiver (db)] Error from TOC entry 2882463; 2613
> 10267347 BLOB 10267347 sdmcleod
> pg_restore: [archiver (db)] could not execute query: ERROR:
> unexpected data beyond EOF in block 500 of relation base/16386/11743
> HINT:  This has been seen to occur with buggy kernels; consider
> updating your system.

Note the message right here...

There may be further indications in the server log about what's wrong.

> The server runs Ubuntu server 10.04 LTS with postgresql upgraded to
> version 9.1.3-1~lucid. The postgresql data directory is located in a
> glusterfs mounted directory to a replicated volume vol-2

I assume you don't have more than one node actually *accessing* the
data directory at the same time, right?

Even with that said, I haven't heard of anybody running PostgreSQL on
glusterfs, and I'm not sure it fulfills the basic requirements that
PostgreSQL has on a filesystem. In particular, the messages above
about a buggy kernel certainly indicates that there is a problem with
the filesystem.

> I think this may have someting to do with glusterfs, because when I
> restore the same dump to a same ubuntu 10.04 server with postgresql
> upgraded to the same 9.1.3-1~lucid located in a local ext4 filesystem,
> the pg_restore went well without a single error.

Yes, it certainly sounds like that. You probably need to bring it up
with the glusterfs folks...

 Magnus Hagander

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