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RE: ChecksumDatabase more details wanted, /dev/random draining


From: Baker, Darryl
Subject: RE: ChecksumDatabase more details wanted, /dev/random draining
Date: Wed, 18 May 2005 14:03:38 -0400

We are using cfenvd and still seeing a drain on /dev/random that spikes on
the semi-hourly runs.

So a change in the mtime of any of the files causes the whole database to be
rebuilt?

_____________________________________________________________________
Darryl Baker
Senior Unix Specialist
gedas USA, Inc.
Operational Services Business Unit
3800 Hamlin Road
Auburn Hills, MI 48326
US
address@hidden
http://www.gedasusa.com
_____________________________________________________________________

> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden Behalf
> Of address@hidden
> Sent: Wednesday, May 18, 2005 7:46 AM
> To: address@hidden
> Subject: Re: ChecksumDatabase more details wanted, 
> /dev/random draining
> 
> 
> 
> You could try running cfenvd to avoid having to use /dev/random.
> 
> Thye db is updated when there is an mtime change. on the source file.
> 
> M
> 
> Quoting "Baker, Darryl" <address@hidden>:
> 
> > We are trying to optimize our configuration. We are 
> thinking about using the
> > ChecksumDatabase option in cfservd.conf but the simple 
> paragraph in the docs
> > we can find doesn't explain everything. What causes the 
> checksum database to
> > be updated, mode changed, or back rev'ed? Is there a way to 
> keep as much of
> > the database in memory as possible?
> >
> > The other question I have is dealing with how much data is 
> being pulled from
> > /dev/random on the server. The box this is running on is 
> having a problem
> > with cfservd and ssh (client) blocking waiting for more 
> data in /dev/random.
> > Is there a way of reducing the amount of data being read 
> from /dev/random
> > without reducing security?
> >
> > This is a Solaris 9 Sparc box running 2.1.14.
> >
> > 
> _____________________________________________________________________
> > Darryl Baker
> > Senior Unix Specialist
> > gedas USA, Inc.
> > Operational Services Business Unit
> > 3800 Hamlin Road
> > Auburn Hills, MI 48326
> > address@hidden
> > http://www.gedasusa.com
> > 
> _____________________________________________________________________
> >
> >
> > _______________________________________________
> > Help-cfengine mailing list
> > address@hidden
> > http://lists.gnu.org/mailman/listinfo/help-cfengine
> >
> 
> 
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