[Samba] Samba AD/DC crashed again, third time in as many months
IT Admin
it at cliffbells.com
Wed Mar 2 16:54:32 UTC 2016
I should mention that I have a backup generated using samba_backup script
from 2/27/2016. I'm guessing I need to restore from this backup to
recover.
Please advise, these failures are killing me.
JS
On Mar 2, 2016 11:39 AM, "IT Admin" <it at cliffbells.com> wrote:
> Hello to the samba users list again. I've got an emergency here, a Samba
> AD DC I've got deployed has crashed again, this is the third time since
> 12/17/2015 that this domain has failed completely.
>
> No power outages or unexpected shutdowns, samba simply fails to start, it
> appears my database is yet again corrupt:
>
> [2016/03/02 11:27:17.025235, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: dsdb_get_schema: refresh_fn() failed
> [2016/03/02 11:27:17.025346, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.025377, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module schema_load initialization failed : Operations error
> [2016/03/02 11:27:17.025404, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module rootdse initialization failed : Operations error
> [2016/03/02 11:27:17.025431, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module samba_dsdb initialization failed : Operations error
> [2016/03/02 11:27:17.025460, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
> schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.032681, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: dsdb_get_schema: refresh_fn() failed
> [2016/03/02 11:27:17.033626, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> [2016/03/02 11:27:17.033776, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> task_server_terminate: [nbtd failed to open samdb]
> ldb: schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.034676, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module schema_load initialization failed : Operations error
> [2016/03/02 11:27:17.035224, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module rootdse initialization failed : Operations error
> [2016/03/02 11:27:17.035838, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module samba_dsdb initialization failed : Operations error
> [2016/03/02 11:27:17.036392, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
> schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.038675, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> [2016/03/02 11:27:17.040353, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> [2016/03/02 11:27:17.042764, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: dsdb_get_schema: refresh_fn() failed
> [2016/03/02 11:27:17.042857, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.042887, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module schema_load initialization failed : Operations error
> [2016/03/02 11:27:17.042917, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module rootdse initialization failed : Operations error
> [2016/03/02 11:27:17.042942, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module samba_dsdb initialization failed : Operations error
> [2016/03/02 11:27:17.042971, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
> schema_load_init: dsdb_get_schema failed
> ldb: dsdb_get_schema: refresh_fn() failed
> [2016/03/02 11:27:17.045981, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.046598, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module schema_load initialization failed : Operations error
> [2016/03/02 11:27:17.047302, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> [2016/03/02 11:27:17.047523, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> task_server_terminate: [dreplsrv: Failed to connect to local samdb:
> WERR_DS_UNAVAILABLE
> ]
> ldb: module rootdse initialization failed : Operations error
> [2016/03/02 11:27:17.048503, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module samba_dsdb initialization failed : Operations error
> [2016/03/02 11:27:17.048540, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
> schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.050402, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> task_server_terminate: [kdc: krb5_init_context samdb connect failed]
> task_server_terminate: [cldapd failed to open samdb]
> [2016/03/02 11:27:17.072670, 0]
> ../source4/smbd/server.c:211(samba_terminate)
> samba_terminate: dreplsrv: Failed to connect to local samdb:
> WERR_DS_UNAVAILABLE
>
> [2016/03/02 11:27:17.073896, 0]
> ../source4/smbd/server.c:211(samba_terminate)
> samba_terminate: nbtd failed to open samdb
> [2016/03/02 11:27:17.075031, 0]
> ../source4/smbd/server.c:211(samba_terminate)
> samba_terminate: cldapd failed to open samdb
> [2016/03/02 11:27:17.075614, 0]
> ../source4/smbd/server.c:211(samba_terminate)
> samba_terminate: kdc: krb5_init_context samdb connect failed
> [2016/03/02 11:27:17.086051, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: dsdb_get_schema: refresh_fn() failed
> [2016/03/02 11:27:17.091786, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: dsdb_get_schema: refresh_fn() failed
> [2016/03/02 11:27:17.091860, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.091890, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module schema_load initialization failed : Operations error
> [2016/03/02 11:27:17.091919, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module rootdse initialization failed : Operations error
> [2016/03/02 11:27:17.091946, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module samba_dsdb initialization failed : Operations error
> [2016/03/02 11:27:17.091974, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
> schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.093919, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> task_server_terminate: [dns: samdb_connect failed]
> [2016/03/02 11:27:17.095175, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.095232, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module schema_load initialization failed : Operations error
> [2016/03/02 11:27:17.095261, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module rootdse initialization failed : Operations error
> [2016/03/02 11:27:17.095288, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module samba_dsdb initialization failed : Operations error
> [2016/03/02 11:27:17.095317, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
> schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.095940, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: dsdb_get_schema: refresh_fn() failed
> [2016/03/02 11:27:17.097255, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> [2016/03/02 11:27:17.098404, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> task_server_terminate: [kccsrv: Failed to connect to local samdb:
> WERR_DS_UNAVAILABLE
> ]
> [2016/03/02 11:27:17.102052, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.102608, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module schema_load initialization failed : Operations error
> [2016/03/02 11:27:17.103164, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module rootdse initialization failed : Operations error
> [2016/03/02 11:27:17.103210, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module samba_dsdb initialization failed : Operations error
> [2016/03/02 11:27:17.103241, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
> schema_load_init: dsdb_get_schema failed
> ldb: dsdb_get_schema: refresh_fn() failed
> [2016/03/02 11:27:17.103939, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.103974, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module schema_load initialization failed : Operations error
> [2016/03/02 11:27:17.104003, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module rootdse initialization failed : Operations error
> [2016/03/02 11:27:17.107759, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> task_server_terminate: [dnsupdate: Failed to connect to local samdb
> ]
> [2016/03/02 11:27:17.109612, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module samba_dsdb initialization failed : Operations error
> [2016/03/02 11:27:17.109672, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
> schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.114754, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> task_server_terminate: [ntp_signd failed to open samdb]
> [2016/03/02 11:27:17.731614, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: dsdb_get_schema: refresh_fn() failed
> [2016/03/02 11:27:17.731721, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.731750, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module schema_load initialization failed : Operations error
> [2016/03/02 11:27:17.731779, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module rootdse initialization failed : Operations error
> [2016/03/02 11:27:17.731807, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module samba_dsdb initialization failed : Operations error
> [2016/03/02 11:27:17.731835, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
> schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.762162, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: dsdb_get_schema: refresh_fn() failed
> [2016/03/02 11:27:17.762247, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.762276, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module schema_load initialization failed : Operations error
> [2016/03/02 11:27:17.762305, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module rootdse initialization failed : Operations error
> [2016/03/02 11:27:17.762332, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: module samba_dsdb initialization failed : Operations error
> [2016/03/02 11:27:17.762361, 0]
> ../lib/ldb-samba/ldb_wrap.c:72(ldb_wrap_debug)
> ldb: Unable to load modules for /usr/local/samba/private/sam.ldb:
> schema_load_init: dsdb_get_schema failed
> [2016/03/02 11:27:17.763923, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> task_server_terminate: [Failed to startup ldap server task]
> [2016/03/02 11:27:18.247740, 0]
> ../file_server/file_server.c:46(file_server_smbd_done)
> file_server smbd daemon died with exit status 1
> [2016/03/02 11:27:18.247875, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> task_server_terminate: [smbd child process exited]
> [2016/03/02 11:27:23.987725, 0]
> ../source4/winbind/winbindd.c:49(winbindd_done)
> winbindd daemon exited normally
> [2016/03/02 11:27:23.989217, 0]
> ../source4/smbd/service_task.c:35(task_server_terminate)
> task_server_terminate: [winbindd child process exited]
>
> Relevant info:
>
> itwerks at filer:~$ samba -V
> Version 4.3.3
> itwerks at filer:~$ lsb_release -a
> No LSB modules are available.
> Distributor ID: Ubuntu
> Description: Ubuntu 15.10
> Release: 15.10
> Codename: wily
> itwerks at filer:~$ uname -a
> Linux filer 4.2.0-30-generic #36-Ubuntu SMP Fri Feb 26 00:58:07 UTC 2016
> x86_64 x86_64 x86_64 GNU/Linux
> itwerks at filer:~$
>
> Please advise. It is end of year for this company, I simply cannot afford
> failures like this every three to four weeks, and I cannot blow the entire
> domain out again and rebuild from scratch.
>
> Frustrated.
>
> JS
>
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