in debug mode i got following error for the problematic user:
Aug 10 19:48:12 mail slapd[3041]: mdb_id2entry_put: mdb_put failed: No space left on device(28) "mail=issue@domain.com,ou=users,domainName=domain.com,o=domains,dc=domain,dc=com"
Aug 10 19:48:12 mail slapd[3041]: mdb_modify: id2entry update failed (80)
following is the full error log for the user:
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Aug 10 19:48:12 mail slapd[3041]: daemon: read active on 13
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=8 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=9 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=10 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: connection_get(13)
Aug 10 19:48:12 mail slapd[3041]: connection_get(13): got connid=1002
Aug 10 19:48:12 mail slapd[3041]: connection_read(13): checking for input on id=1002
Aug 10 19:48:12 mail slapd[3041]: op tag 0x66, time 1470838692
Aug 10 19:48:12 mail slapd[3041]: conn=1002 op=2 do_modify
Aug 10 19:48:12 mail slapd[3041]: conn=1002 op=2 do_modify: dn (mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com)
Aug 10 19:48:12 mail slapd[3041]: daemon: activity on 1 descriptor
Aug 10 19:48:12 mail slapd[3041]: daemon: activity on:
Aug 10 19:48:12 mail slapd[3041]:
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=8 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=9 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=10 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: >>> dnPrettyNormal: <mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com>
Aug 10 19:48:12 mail slapd[3041]: <<< dnPrettyNormal: <mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com>, <mail=issue@domain.com,ou=users,domainName=domain.com,o=domains,dc=domain,dc=com>
Aug 10 19:48:12 mail slapd[3041]: conn=1002 op=2 modifications:
Aug 10 19:48:12 mail slapd[3041]: #011add: enabledService
Aug 10 19:48:12 mail slapd[3041]: #011#011one value, length 4
Aug 10 19:48:12 mail slapd[3041]: conn=1002 op=2 MOD dn="mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com"
Aug 10 19:48:12 mail slapd[3041]: conn=1002 op=2 MOD attr=enabledService
Aug 10 19:48:12 mail slapd[3041]: mdb_modify: mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com
Aug 10 19:48:12 mail slapd[3041]: slap_queue_csn: queing 0x7fe88cf494c0 20160810141812.073852Z#000000#000#000000
Aug 10 19:48:12 mail slapd[3041]: mdb_dn2entry("mail=issue@domain.com,ou=users,domainName=domain.com,o=domains,dc=domain,dc=com")
Aug 10 19:48:12 mail slapd[3041]: => mdb_dn2id("mail=issue@domain.com,ou=users,domainName=domain.com,o=domains,dc=domain,dc=com")
Aug 10 19:48:12 mail slapd[3041]: <= mdb_dn2id: got id=0x22d
Aug 10 19:48:12 mail slapd[3041]: => mdb_entry_decode:
Aug 10 19:48:12 mail slapd[3041]: <= mdb_entry_decode
Aug 10 19:48:12 mail slapd[3041]: mdb_modify_internal: 0x0000022d: mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com
Aug 10 19:48:12 mail slapd[3041]: => access_allowed: result not in cache (enabledService)
Aug 10 19:48:12 mail slapd[3041]: => access_allowed: add access to "mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com" "enabledService" requested
Aug 10 19:48:12 mail slapd[3041]: => acl_get: [3] attr enabledService
Aug 10 19:48:12 mail slapd[3041]: => acl_mask: access to entry "mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com", attr "enabledService" requested
Aug 10 19:48:12 mail slapd[3041]: => acl_mask: to value by "cn=vmailadmin,dc=domain,dc=com", (=0)
Aug 10 19:48:12 mail slapd[3041]: <= check a_dn_pat: anonymous
Aug 10 19:48:12 mail slapd[3041]: <= check a_dn_pat: self
Aug 10 19:48:12 mail slapd[3041]: <= check a_dn_pat: cn=vmail,dc=domain,dc=com
Aug 10 19:48:12 mail slapd[3041]: <= check a_dn_pat: cn=vmailadmin,dc=domain,dc=com
Aug 10 19:48:12 mail slapd[3041]: <= acl_mask: [4] applying write(=wrscxd) (stop)
Aug 10 19:48:12 mail slapd[3041]: <= acl_mask: [4] mask: write(=wrscxd)
Aug 10 19:48:12 mail slapd[3041]: => slap_access_allowed: add access granted by write(=wrscxd)
Aug 10 19:48:12 mail slapd[3041]: => access_allowed: add access granted by write(=wrscxd)
Aug 10 19:48:12 mail slapd[3041]: acl: internal mod entryCSN: modify access granted
Aug 10 19:48:12 mail slapd[3041]: acl: internal mod modifiersName: modify access granted
Aug 10 19:48:12 mail slapd[3041]: acl: internal mod modifyTimestamp: modify access granted
Aug 10 19:48:12 mail slapd[3041]: mdb_modify_internal: add enabledService
Aug 10 19:48:12 mail slapd[3041]: mdb_modify_internal: replace entryCSN
Aug 10 19:48:12 mail slapd[3041]: mdb_modify_internal: replace modifiersName
Aug 10 19:48:12 mail slapd[3041]: mdb_modify_internal: replace modifyTimestamp
Aug 10 19:48:12 mail slapd[3041]: oc_check_required entry (mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com), objectClass "inetOrgPerson"
Aug 10 19:48:12 mail slapd[3041]: oc_check_required entry (mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com), objectClass "mailUser"
Aug 10 19:48:12 mail slapd[3041]: oc_check_required entry (mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com), objectClass "shadowAccount"
Aug 10 19:48:12 mail slapd[3041]: oc_check_required entry (mail=issue@domain.com,ou=Users,domainName=domain.com,o=domains,dc=domain,dc=com), objectClass "amavisAccount"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "objectClass"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "mail"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "userPassword"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "uid"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "storageBaseDirectory"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "mailMessageStore"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "homeDirectory"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "enabledService"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "shadowLastChange"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "amavisLocal"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "structuralObjectClass"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "entryUUID"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "creatorsName"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "createTimestamp"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "cn"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "givenName"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "sn"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "preferredLanguage"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "employeeNumber"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "title"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "mailQuota"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "accountStatus"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "memberOfGroup"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "entryCSN"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "modifiersName"
Aug 10 19:48:12 mail slapd[3041]: oc_check_allowed type "modifyTimestamp"
Aug 10 19:48:12 mail slapd[3041]: mdb_idl_insert_keys: 22d [00000000]
Aug 10 19:48:12 mail slapd[3041]: mdb_idl_insert_keys: 22d [74ca129a]
Aug 10 19:48:12 mail slapd[3041]: mdb_idl_insert_keys: 22d [b9d6d6ae]
Aug 10 19:48:12 mail slapd[3041]: mdb_id2entry_put: mdb_put failed: No space left on device(28) "mail=issue@domain.com,ou=users,domainName=domain.com,o=domains,dc=domain,dc=com"
Aug 10 19:48:12 mail slapd[3041]: mdb_modify: id2entry update failed (80)
Aug 10 19:48:12 mail slapd[3041]: send_ldap_result: conn=1002 op=2 p=3
Aug 10 19:48:12 mail slapd[3041]: send_ldap_result: err=80 matched="" text="entry update failed"
Aug 10 19:48:12 mail slapd[3041]: send_ldap_response: msgid=3 tag=103 err=80
Aug 10 19:48:12 mail slapd[3041]: conn=1002 op=2 RESULT tag=103 err=80 text=entry update failed
Aug 10 19:48:12 mail slapd[3041]: slap_graduate_commit_csn: removing 0x7fe880108910 20160810141812.073852Z#000000#000#000000
Aug 10 19:48:12 mail slapd[3041]: daemon: activity on 1 descriptor
Aug 10 19:48:12 mail slapd[3041]: daemon: activity on:
Aug 10 19:48:12 mail slapd[3041]: 13r
Aug 10 19:48:12 mail slapd[3041]:
Aug 10 19:48:12 mail slapd[3041]: daemon: read active on 13
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=8 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=9 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=10 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: connection_get(13)
Aug 10 19:48:12 mail slapd[3041]: connection_get(13): got connid=1002
Aug 10 19:48:12 mail slapd[3041]: connection_read(13): checking for input on id=1002
Aug 10 19:48:12 mail slapd[3041]: op tag 0x42, time 1470838692
Aug 10 19:48:12 mail slapd[3041]: conn=1002 op=3 do_unbind
Aug 10 19:48:12 mail slapd[3041]: conn=1002 op=3 UNBIND
Aug 10 19:48:12 mail slapd[3041]: connection_closing: readying conn=1002 sd=13 for close
Aug 10 19:48:12 mail slapd[3041]: connection_resched: attempting closing conn=1002 sd=13
Aug 10 19:48:12 mail slapd[3041]: connection_close: conn=1002 sd=13
Aug 10 19:48:12 mail slapd[3041]: daemon: removing 13
Aug 10 19:48:12 mail slapd[3041]: daemon: activity on 1 descriptor
Aug 10 19:48:12 mail slapd[3041]: daemon: activity on:
Aug 10 19:48:12 mail slapd[3041]:
Aug 10 19:48:12 mail slapd[3041]: conn=1002 fd=13 closed
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=8 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=9 active_threads=0 tvp=zero
Aug 10 19:48:12 mail slapd[3041]: daemon: epoll: listen=10 active_threads=0 tvp=zero
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