[Samba] NT_STATUS_TOO_MANY_OPENED_FILES
Anantha Raghava
raghav at exzatechconsulting.com
Mon Apr 10 12:54:43 UTC 2023
Hello Rowland,
Find the _*smb.conf :*_
[global]
netbios name = DC4
realm = KTKBANKLTD.COM
server role = active directory domain controller
workgroup = KTKBANKLTD
[sysvol]
path = /usr/local/samba/var/locks/sysvol
read only = No
[netlogon]
path = /usr/local/samba/var/locks/sysvol/ktkbankltd.com/scripts
read only = No
*Logs:*
{"timestamp": "2023-04-10T09:52:23.323933+0530", "type":
"Authentication", "Authentication": {"version": {"major": 1, "minor":
2}, "eventId": 4625, "logonId": "beef0000dead", "logonType": 3,
"status": "NT_STATUS_ACCOUNT_LOCKED_OUT", "localAddress":
"ipv4:172.16.202.176:49152", "remoteAddress":
"ipv4:172.16.240.40:42152", "serviceDescription": "SamLogon",
"authDescription": "network", "clientDomain": "KTKBANKLTD",
"clientAccount": "k6100", "workstation": "\\\\SHI732SAVADE04",
"becameAccount": null, "becameDomain": null, "becameSid": null,
"mappedAccount": "k6100", "mappedDomain": "KTKBANKLTD",
"netlogonComputer": "KBLDCPROXY", "netlogonTrustAccount": "
;KBLDCPROXY$", "netlogonNegotiateFlags": "0x610FFFFF",
"netlogonSecureChannelType": 2, "netlogonTrustAccountSid":
"S-1-5-21-2327230821-3654296898-2374465889-39068", "passwordType":
"NTLMv2", "duration": 67124}}
ldb: unable to open modules directory '/usr/local/samba/lib/ldb' - Too
many open files
ldb: unable to open modules directory '/usr/local/samba/lib/ldb' - Too
many open files
[2023/04/10 09:52:23.3 35122, 0]
../../source4/samba/process_single.c:60(single_accept_connection)
single_accept_connection: single_accept_connection: accept:
NT_STATUS_TOO_MANY_OPENED_FILES
{"timestamp": "2023-04-10T09:52:23.425118+0530", "type": "dsdbChange",
"dsdbChange": {"version": {"major": 1, "minor": 0}, "statusCode": 0,
"status": "Success", "operation": "Modify", "remoteAddress": null,
"performedAsSystem": false, "userSid": "S-1-5-18", "dn":
"DC=HYD535NELHP04,DC=ktkbankltd.com,CN=MicrosoftDNS,DC=DomainDnsZones,DC=ktkbankltd,DC=com&q
uot;, "transactionId": "b7480e24-cad6-4494-97e3-9c2195d5d46c",
"sessionId": "511ad8c7-c85b-49f4-84b2-54c8d22be96d", "attributes":
{"dnsRecord": {"actions": [{"action": "replace", "values": [{"base64":
true, "value": "BAABAAXwAABuAAAAAAAEsAAAAADQejgArBw8DQ=="}]}]}}}}
.....
393", "mappedAccount": "KOL032AMTHP01$", "mappedDomain": "KTKBANKLTD",
"netlogonComputer": null, "netlogonTrustAccount": null,
"netlogonNegotiateFlags": "0x00000000", "netlogonSecureChannelType": 0
, "netlogonTrustAccountSid": null, "passwordType":
"aes256-cts-hmac-sha1-96", "duration": 100508}}
ldb: unable to open modules directory '/usr/local/samba/lib/ldb' - Too
many open files
ldb: unable to open modules directory '/usr/local/samba/lib/ldb' - Too
many open files
[2023/04/10 10:02:25.524087, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module encrypted_secrets initialization failed : Operations error
[2023/04/10 10:02:25.524160, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module group_audit_log initialization failed : Operations error
[2023/04/10 10:02:25.524203, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module repl_meta_data initialization failed : Operations error
[2023/04/10 10:02:25.524220, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module subtree_delete initialization failed : Operations error
[2023/04/10 10:02:25.524236, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module aclread initialization failed : Operations error
[2023/04/10 10:02:25.524251, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module acl initialization failed : Operations error
[2023/04/10 10:02:25.524266, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module descriptor initialization failed : Operations error
[2023/04/10 10:02:25.524283, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module objectclass initialization failed : Operations error
[2023/04/10 10:02:25.524298, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module audit_log initialization failed : Operations error
[2023/04/10 10:02:25.524313, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module asq initialization failed : Operations error
[2023/04/10 10:02:25.524330, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module server_sort initialization failed : Operations error
[2023/04/10 10:02:25.524348, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module vlv initialization failed : Operations error
[2023/04/10 10:02:25.524384, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module dsdb_paged_results initialization failed : Operations error
[2023/04/10 10:02:25.524400, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module dirsync initialization failed : Operations error
[2023/04/10 10:02:25.524415, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module schema_load initialization failed : Operations error
[2023/04/10 10:02:25.524429, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module dsdb_notification initialization failed : Operations error
[2023/04/10 10:02:25.524467, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module rootdse initialization failed : Operations error
[2023/04/10 10:02:25.524517, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: module samba_dsdb initialization failed : Operations error
[2023/04/10 10:02:25.524536, 0]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
Error (24) Too many open files - Opening encrypted_secrets key file
ldb: unable to open modules directory '/usr/local/samba/lib/ldb' - Too
many open files
ldb: unable to open modules directory '/usr/local/samba/lib/ldb' - Too
many open files
[2023/04/10 10:02:25.525008, 1]
../../lib/ldb-samba/ldb_wrap.c:79(ldb_wrap_debug)
Thanks & Regards,
Anantha Raghava H A
Chief Executive Officer
Exzatech Consulting And Services Private Limited
Ph: +91-9538849179, Email: raghav at exzatechconsulting.com
URL: https://www.exzatechconsulting.com
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On 10/04/23 1:07 pm, Rowland Penny via samba wrote:
>
>
> On 10/04/2023 07:22, Anantha Raghava via samba wrote:
>> Hi,
>>
>> We upgraded from Samba version 4.15.9 to 4.18.1 on last Saturday. We
>> are running AD-DC Service. Our upgrade process was nothing but a
>> fresh compile & installation and add the samba instance to AD-DC
>> cluster as a Domain Controller and demote and remove the old one. Of
>> 5 server, there are no issues. 2 of them experiencing slowness and in
>> the logs we are seeing "single_accept_connection:
>> NT_STATUS_TOO_MANY_OPENED_FILES" being reported.
>
> Are you sure that is the exact message ?
>
> Could it actually be:
>
> single_accept_connection: accept: NT_STATUS_TOO_MANY_OPENED_FILE
>
>>
>> The smb.conf is a standard auto-generated one. No specific parameter
>> is added. This is slowing down the response to Authentication
>> requests, DNS queries and even replication.
>>
> Please post the smb.conf in use (just to check something strange
> hasn't gone wrong)
>
> Also, can you post the entire log lines, including some from above the
> 'single_accept_connection' lines (sanitised if must)
>
> Rowland
>
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