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


From: Mark . Burgess
Subject: RE: ChecksumDatabase more details wanted, /dev/random draining
Date: Thu, 19 May 2005 08:56:17 +0200
User-agent: Internet Messaging Program (IMP) H3 (4.0.2)

Quoting "Baker, Darryl" <address@hidden>:

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

This seems odd. The error message could not be coming from cfengine then, or??

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

Of course not. Only the entry for the modified file is updated!!

M


_____________________________________________________________________
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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