[Samba] Samba shares are slow after 4.2.11 upgrade

Daniel Carrasco Marín danielmadrid19 at gmail.com
Tue Apr 19 18:24:23 UTC 2016


2016-04-18 17:00 GMT+02:00 Daniel Carrasco Marín <danielmadrid19 at gmail.com>:

> Hi, first of all i'm sorry for my english.
>
> i'm using sernet packages to keep updated my file server, but after the
> latest update it becames very slow listing and accesing to files... For
> example, a thunderbird profile from networks takes about 1 minute to load.
> Now the profile takes about 20 minutes and the program still loading...
> I've not changed any configuration on server and i don't know what can be
> the problem.
>
> After the update i was using Samba 4.2.9 and all was working without
> problem: Is there any way to downgrade to that version?.
>
> Here's my smb.conf:
> [global]
>         netbios name = serverName
>         security = ADS
>         workgroup = DOMAIN
>         realm = DOMAIN.DOM
>
>         log file = /var/log/samba/%m.log
>         log level = 1
>
>         dedicated keytab file = /etc/krb5.keytab
>         kerberos method = secrets and keytab
> #        encrypt passwords = yes
>
>     idmap cache time = 604800
>         idmap config *:backend = tdb
>         idmap config *:range = 40000001-60000000
>         idmap config DOMAIN:backend = ad
>         idmap config DOMAIN:schema_mode = rfc2307
>         idmap config DOMAIN:range = 500-30000000
>
>
>     winbind nss info = rfc2307
>     winbind trusted domains only = no
>     winbind use default domain = yes
>     winbind enum users  = Yes
>     winbind enum groups = Yes
>     winbind refresh tickets = Yes
>     winbind expand groups = 4
> #    winbind normalize names = Yes
>     winbind offline logon = yes
>
>     vfs objects = acl_xattr
>     map acl inherit = Yes
>     store dos attributes = Yes
>
>     client max protocol = SMB2_22
>
>     #Logs
>     log level = 1
>     syslog = 0
>     log file = /var/log/samba/%m
>     max log size = 50
>
>
>     # Stackable VFS modules
>     #vfs objects = full_audit recycle
>     vfs objects = recycle
>
>     # Audit
>     #full_audit:prefix = %u|%I|%m|%S
>     #full_audit:success = mkdir rename unlink rmdir pwrite pread connect
> disconnect
>     #full_audit:failure = none
>     #full_audit:facility = LOCAL7
>     #full_audit:priority = NOTICE
>
>     #Papelera
>     recycle:config-file = /etc/samba/recycle.conf
>     recycle:repository = /server2/share/Papelera
>     recycle:keeptree = Yes
>     recycle:versions = Yes
>
> [public]
>     path = /server2/share/public
>     read only = No
>     guest ok = Yes
>     create mask = 0666
>     directory mask = 0777
>
>
> [home]
>       path = /server2/share/home
>       writable = yes
>       read only = no
>       browseable = yes
>       create mask = 0600
>       directory mask = 0700
>
>
> I've added the "client max protocol = SMB2_22" and commented the "Encrypt
> passwords" to check.
>
> Thanks.
>

Finally i've restored a backup of the server with Samba 4.2.8 and now is
working perfect... Looks like the 4.2.11 version is bugged or at least the
Debian packages from sernet.

Greetings!


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