I've setup an LDAP server with a slave server on Centos 5.3 X86_64,
replication works, most of the time client logins work fine but I'm
starting to get a error I can't seem to eliminate, it's starting to
cause login failures for users and I think it's causing other
application failures when they try to auth against ldap.
on the client side /var/log/messages shows
Oct 22 08:53:23 client sshd[564]: nss_ldap: failed to bind to LDAP
server ldap://ldap1: Can't contact LDAP server
Oct 22 08:53:23 client sshd[564]: nss_ldap: reconnected to LDAP server ldap://ldap2
Oct 22 08:54:01 client ps: nss_ldap: failed to bind to LDAP server ldap://ldap1:
Can't contact LDAP server
Oct 22 08:54:01 client ps: nss_ldap: reconnected to LDAP server ldap://ldap2
Oct 22 08:54:03 client ls: nss_ldap: failed to bind to LDAP server ldap://ldap1:
Can't contact LDAP server
Oct 22 08:54:03 client ls: nss_ldap: reconnected to LDAP server ldap://ldap2
Oct 22 08:55:02 client ps: nss_ldap: failed to bind to LDAP server ldap://ldap1:
Can't contact LDAP server
Oct 22 08:55:02 client ps: nss_ldap: reconnected to LDAP server ldap://ldap2
on the server side I see
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:23 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:25 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:25 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:25 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:25 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:25 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:25 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:25 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:25 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.allow: Too many open files
Oct 22 08:53:26 ldap1slapd[23963]: warning: cannot open /etc/
hosts.deny: Too many open files
...
ldap1 does nothing but ldap and I only have the x86_64 binaries
installed.
my slapd.conf file on the server looks like
######################################################
include /etc/openldap/schema/core.schema
include /etc/openldap/schema/cosine.schema
include /etc/openldap/schema/inetorgperson.schema
include /etc/openldap/schema/nis.schema
allow bind_v2
pidfile /var/run/openldap/slapd.pid
argsfile /var/run/openldap/slapd.args
access to attrs=userPassword
by self write
by anonymous auth
by dn.base="cn=domainadm,dc=domain,dc=local" write
by dn.base="uid=ldapsync,ou=People,dc=domain,dc=local" read
by * none
access to *
by self write
by dn.base="cn=domainadm,dc=domain,dc=local" write
by dn.base="uid=ldapsync,ou=People,dc=domain,dc=local" read
by * read
access to * by * read
limits dn.exact="uid=ldapsync,ou=People,dc=domain,dc=local"
size=unlimited time=unlimited
database bdb
suffix "dc=domain,dc=local"
rootdn "cn=root,dc=domain,dc=local"
rootpw {SSHA}YnnYasdadasdasdasdassd
directory /var/lib/ldap
# Indices to maintain for this database
index objectClass eq,pres
index ou,cn,mail,surname,givenname eq,pres,sub
index uidNumber,gidNumber,loginShell eq,pres
index uid,memberUid eq,pres,sub
index nisMapName,nisMapEntry eq,pres,sub
index uniqueMember eq,pres
index entryCSN eq
loglevel sync none
logfile /var/log/ldap.log
overlay syncprov
syncprov-checkpoint 100 10
syncprov-sessionlog 100
######################################################
------------------------
Jacob Bresciani
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