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To: sclark%sparc2@ksv1001.ksc.nasa.gov (Sibel Clark)
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In-reply-to: Your message of "Thu, 02 Feb 95 13:52:47 EST."
             <9502021852.AA03909@sparc2> 
Date: Thu, 02 Feb 95 11:14:01 -0800
From: Jolly Chen <jolly@postgres.Berkeley.EDU>
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> 
> Hi,
> 
> Everytime we decide to use "vacuum" command on our database, we get the following fail message.  We can't find another vacuum cleaner running anywhere.
> What can be the cause of this?
> 
> Here is the message:
> 
> % vacuum dles
> WARN:Feb  2 13:12:06:can't create lock file -- another vacuum cleaner running?
> vacuum: database vacuum failed on dles.
> 
> Thanks,
> 
> Sibel Clark 
> 

Check to see if you have a file named pg_vlock in your database
directory.  The vacuum cleaner creates it and deletes it when finished,
but perhaps you have one left over from a vacuum cleaner process that
died prematurely due to some failure.

- Jolly Chen

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