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Re: Vacuumdb error - corruption

From: "Bhella Paramjeet-PFCW67" <PBhella(at)Motorola(dot)com>
To: "Eric Comeau" <Eric(dot)Comeau(at)signiant(dot)com>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: <pgsql-admin(at)postgresql(dot)org>, "Subbiah Stalin-XCGF84" <SSubbiah(at)Motorola(dot)com>
Subject: Re: Vacuumdb error - corruption
Date: 2008-04-25 22:03:12
Message-ID: C84662912D280D4AB5C50100A100F0C5034E99A6@ct11exm61.ds.mot.com (view raw or flat)
Thread:
Lists: pgsql-admin
Hi Eric,

No database is not sitting on NFS storage. We are using emc storage and
the file system is fibre attached to storage. 
In last few days we have had lots of errors on the database. Last night
while taking a pg_dump we got invalid memory alloc request error "ecdemo
2008-04-25 00:40:31 CDTFATAL:  invalid memory alloc request size
936749196708242529" and also "invalid page header" errors.

Thanks
Paramjeet Kaur

-----Original Message-----
From: Eric Comeau [mailto:Eric(dot)Comeau(at)signiant(dot)com] 
Sent: Friday, April 25, 2008 2:39 PM
To: Bhella Paramjeet-PFCW67; Tom Lane
Cc: pgsql-admin(at)postgresql(dot)org; Subbiah Stalin-XCGF84
Subject: RE: Vacuumdb error - corruption



> -----Original Message-----
> From: Bhella Paramjeet-PFCW67 [mailto:PBhella(at)Motorola(dot)com]
> Sent: Thursday, April 24, 2008 1:13 PM
> To: Tom Lane
> Cc: pgsql-admin(at)postgresql(dot)org; Subbiah Stalin-XCGF84
> Subject: Re: Vacuumdb error - corruption
> 
> 
> According to our sysadmin there are no bad disks on the emc storage.
So

EMC Storage? Is the Database sitting on NFS storage?


> what do you suggest we should do to narrow out the problem. Any help 
> will be highly appreciated. I have looked into the postgres archives
and
> people have reported this problem but there were no responses as to
how
> they resolved this issue. Do you still think it is due to block 
> corruption on disk? Please advice.
> 
> Thanks
> Paramjeet Kaur
> 
> -----Original Message-----
> From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
> Sent: Thursday, April 17, 2008 5:18 PM
> To: Bhella Paramjeet-PFCW67
> Cc: pgsql-admin(at)postgresql(dot)org; Subbiah Stalin-XCGF84
> Subject: Re: [ADMIN] Vacuumdb error
> 
> "Bhella Paramjeet-PFCW67" <PBhella(at)Motorola(dot)com> writes:
> > We have our production postgres 8.0.10 database running on linux
> > x86_64 machine. Recently we have started getting an error from one
of
> > our database while running vacuumdb. We are not getting this error 
> > during backups just only during vacuuming of a database. Can anyone 
> > please help us figure out why we are getting this error and how we
can
> 
> > get rid of it. Any help will be appreciated.
> 
> > Here is the error:
> > tst_021 ERROR:  invalid page header in block 8 of relation 
> > "securityevent_pkey"
> 
> Well, since it's just an index, you should be able to fix it by 
> reindexing.  But I'd worry a bit about what caused the corruption.
> 8.0.10 is not exactly current --- you should update to 8.0.latest.
> And running some memory and disk diagnostics might not be wasted
effort.
> 
> 			regards, tom lane

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Subject: ERROR: could not open relation
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Subject: Re: Vacuumdb error - corruption

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