Do you have logging setup on your LDAP servers? If so, then check and
make sure that you have a "-" before the log file location in your /
etc/syslog.conf. Example:

local4.*      -/var/log/ldap.log

The "-" prevents syncing of the log file to disk every time that a
write is made.

Joshua Gimer

On Jan 8, 2008, at 9:32 PM, Ryan Golhar wrote:

> Hi,
>
> I just noticed this today and don't recall ever seeing it before.  
> We have 2 machines running RHEL 4. All others are running RHEL 3
> and 1 running RHEL 5.
>
> They all authenticate users from OpenLDAP. One of the machines
> running RHEL 4 responds extremely slow to user logins or anything to
> do with the LDAP. I checked /var/log/messages and I see a lot of
> this:
>
> Jan 8 23:21:28 proline sshd: nss_ldap: reconnecting to LDAP server...
> Jan 8 23:21:28 proline sshd: nss_ldap: reconnecting to LDAP server...
> Jan 8 23:21:28 proline sshd: nss_ldap: reconnecting to LDAP server
> (sleeping 4 seconds)...
> Jan 8 23:21:32 proline sshd: nss_ldap: reconnecting to LDAP server
> (sleeping 8 seconds)...
> Jan 8 23:21:40 proline sshd: nss_ldap: reconnecting to LDAP server
> (sleeping 16 seconds)...
>
> None of the other machines are suffering from this problem including
> the other RHEL 4 machine.
>
> If I try executing ldapsearch on this problem machine, it responds
> quickly as expected.
>
> There is nothing in the logs on the I'm not sure where else to look
> or what to look for. Any suggestions?
>
> Ryan
>
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