On Dec 3, 2013, at 3:57 PM, Aaron Bennett wrote:

Dec  2 16:55:40 animal slapd[13735]: bdb(dc=clarku,dc=edu): /var/lib/ldap/log.0000032796: log file unreadable: Too many open files

Try setting fs.file-max (with sysctl or similar).

celia(SSD1):~# cat /proc/sys/fs/file-max 
65536
celia(SSD1):~# grep file-max /etc/sysctl.conf
fs.file-max = 65536