[Samba] ctdb domain question
Hi, Is there any reason against making a ctdb connected 2 pc samba cluster also a domain member? After setting the [include = registry] option, one member of the cluster didn't let the users to log in. If I relogin this cluster member to the domain, then the other member starts to refuse users to log in. Did I miss some option that I have to use in this scenario? The name of the servers are different, but at the netbios aliases option they are the same. The used samba version is: 3.5.6~dfsg-3squeeze5. -- Cheers, Zsiga -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
Re: [Samba] ctdb domain question
On Mon, Oct 17, 2011 at 01:03:25PM +0200, Daniel Müller wrote: Your both ctdb nodes have the same name and the same ip? Is winbind running: http://ctdb.samba.org/samba.html CTDB_MANAGES_WINBIND This is a parameter in /etc/sysconfig/ctdb When this parameter is set to yes CTDB will start/stop/restart the local winbind daemon as the cluster configuration changes. When this parameter is set you should also make sure that winbind is NOT started by default by the linux system when it boots: chkconfig winbind off Example: CTDB_MANAGES_WINBIND=yes It is strongly recommended that you set this parameter to yes if you intend to use clustered samba in DOMAIN or ADS security mode. smb-cluster-1 and smb-cluster-2: --- Debian Squeeze linux-image-2.6.32-5-amd64 ctdb 1.10+git20110722-1 glusterfs 3.2.3-1 samba 3.5.6~dfsg-3squeeze5 smb-cluster-1: - - eth0 - 192.168.100.144 (Bcast:192.168.100.255 Mask:255.255.255.0) - eth1 - 10.10.10.1 (Bcast:10.10.10.255 Mask:255.255.255.0) - /dev/sdb1 - ~5 GB, mount /dev/sdb1 /mnt -t ext3 smb-cluster-2: - - eth0 - 192.168.100.145 (Bcast:192.168.100.255 Mask:255.255.255.0) - eth1 - 10.10.10.2 (Bcast:10.10.10.255 Mask:255.255.255.0) - /dev/sdb1 - ~5 GB, mount /dev/sdb1 /mnt -t ext3 # grep -v ^\# /etc/default/ctdb | grep -v ^$ CTDB_RECOVERY_LOCK=/samba/ctdb/ctdb CTDB_PUBLIC_INTERFACE=eth0 CTDB_PUBLIC_ADDRESSES=/etc/ctdb/public_addresses CTDB_MANAGES_SAMBA=yes CTDB_SAMBA_SKIP_SHARE_CHECK=no CTDB_SAMBA_CHECK_PORTS=445 CTDB_MANAGES_WINBIND=yes CTDB_MANAGES_VSFTPD=no CTDB_MANAGES_ISCSI=no CTDB_MANAGES_NFS=no CTDB_MANAGES_HTTPD=no CTDB_INIT_STYLE=debian ulimit -n 3 CTDB_NODES=/etc/ctdb/nodes CTDB_NOTIFY_SCRIPT=/etc/ctdb/notify.sh CTDB_DBDIR=/var/lib/ctdb CTDB_DBDIR_PERSISTENT=/var/lib/ctdb/persistent CTDB_EVENT_SCRIPT_DIR=/etc/ctdb/events.d CTDB_SOCKET=/tmp/ctdb.socket CTDB_TRANSPORT=tcp CTDB_START_AS_DISABLED=no CTDB_CAPABILITY_RECMASTER=yes CTDB_CAPABILITY_LMASTER=yes CTDB_LOGFILE=/var/log/ctdb/log.ctdb CTDB_DEBUGLEVEL=ERR CTDB_SUPPRESS_COREFILE=no CTDB_SYSLOG=no CTDB_RUN_TIMEOUT_MONITOR=no CTDB_MAX_PERSISTENT_CHECK_ERRORS=0 # ctdb status Number of nodes:2 pnn:0 10.10.10.1 OK (THIS NODE) pnn:1 10.10.10.2 OK Generation:1071551548 Size:2 hash:0 lmaster:0 hash:1 lmaster:1 Recovery mode:NORMAL (0) Recovery master:0 # testparm -v /dev/null | grep 'netbios aliases' netbios aliases = samba -- Cheers, Zsiga -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
Re: [Samba] ctdb domain question
On Mon, Oct 17, 2011 at 06:26:05PM +0800, David Roid wrote: Sounds like domain membership is not in sync for your cluster, make sure smb.conf is identical and net ads join is executed on only one node after ctdb reaches stable state. The smb.conf file is identical on the two servers because I scp-ed it from one to the other. The ctdb was in a stable state, no AD is present, a third samba server (same version) is the PDC. -- Cheers, Zsiga -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
Re: [Samba] ctdb node disable windows xcopy break
On Thu, Sep 08, 2011 at 02:39:09PM +0200, Kosa Attila wrote: Hi, What did I miss / do wrong? My config didn't work like on the below linked video: http://www.samba.org/~tridge/ctdb_movies/node_disable.html With my config, the copy process fails/breaks despite that the tesztxp PC successfully maps the other (samba) PC in case the first (samba) PC is out. In the samba logs (even at log level = 10) I didn't see any information that can help me solve this problem. I tested if I copy files from a dos window at C:\ with the command (xcopy /S /E /F /Y /Z C:\DATA1 Z:\DATA2), the copy process didn't break when I disable the active ctdb (ctdb disable -n 0). On the other hand, if I reverse the direction and copy from the share to the local disk, shortly after the execution of the ctdb disable -n 0 command, the copy process breaks. Because the copy only broke when the remote share was the source I thought that the problem might be somewhere around the reading process. I tried the process with increased windows memory (512MB - 1G) and with different file sizes (0 byte, 1MB and 2 MB) but none of them changed the result (the copy process breaks when the active node gets disabled) As previously, the samba logs didn't contain any information that could lead me to the root of the problem. Can anyone help me what should I try/do to find a working cluster config/solution? -- Cheers, Zsiga -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
[Samba] ctdb node disable windows xcopy break
Hi, What did I miss / do wrong? My config didn't work like on the below linked video: http://www.samba.org/~tridge/ctdb_movies/node_disable.html With my config, the copy process fails/breaks despite that the tesztxp PC successfully maps the other (samba) PC in case the first (samba) PC is out. In the samba logs (even at log level = 10) I didn't see any information that can help me solve this problem. Please help me to find the error in the above config or suggest one, that actually works. smb-cluster-1 and smb-cluster-2: --- Debian Squeeze linux-image-2.6.32-5-amd64 ctdb 1.10+git20110722-1 glusterfs 3.2.3-1 samba 3.5.6~dfsg-3squeeze5 smb-cluster-1: - - eth0 - 192.168.100.144 (Bcast:192.168.100.255 Mask:255.255.255.0) - eth1 - 10.10.10.1 (Bcast:10.10.10.255 Mask:255.255.255.0) - /dev/sdb1 - ~5 GB, mount /dev/sdb1 /mnt -t ext3 # cat /etc/resolv.conf domain in.mithrandir.hu search in.mithrandir.hu nameserver 192.168.100.2 # cat /etc/hosts 127.0.0.1 localhost 192.168.100.144 smb-cluster-1.in.mithrandir.hu smb-cluster-1 192.168.100.145 smb-cluster-2.in.mithrandir.hu smb-cluster-2 192.168.100.144 samba.in.mithrandir.hu samba 192.168.100.145 samba.in.mithrandir.hu samba 10.10.10.1 gluster1.in.mithrandir.hu gluster1 10.10.10.2 gluster2.in.mithrandir.hu gluster2 smb-cluster-2: - - eth0 - 192.168.100.145 (Bcast:192.168.100.255 Mask:255.255.255.0) - eth1 - 10.10.10.2 (Bcast:10.10.10.255 Mask:255.255.255.0) - /dev/sdb1 - ~5 GB, mount /dev/sdb1 /mnt -t ext3 # cat /etc/resolv.conf domain in.mithrandir.hu search in.mithrandir.hu nameserver 192.168.100.2 # cat /etc/hosts 127.0.0.1 localhost 192.168.100.144 smb-cluster-1.in.mithrandir.hu smb-cluster-1 192.168.100.145 smb-cluster-2.in.mithrandir.hu smb-cluster-2 192.168.100.144 samba.in.mithrandir.hu samba 192.168.100.145 samba.in.mithrandir.hu samba 10.10.10.1 gluster1.in.mithrandir.hu gluster1 10.10.10.2 gluster2.in.mithrandir.hu gluster2 root@smb-cluster-1:~# dig samba.in.mithrandir.hu ; DiG 9.7.3 samba.in.mithrandir.hu ;; global options: +cmd ;; Got answer: ;; -HEADER- opcode: QUERY, status: NOERROR, id: 57648 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 1 ;; QUESTION SECTION: ;samba.in.mithrandir.hu.IN A ;; ANSWER SECTION: samba.in.mithrandir.hu. 5 IN A 192.168.100.144 samba.in.mithrandir.hu. 5 IN A 192.168.100.145 ;; AUTHORITY SECTION: in.mithrandir.hu. 5 IN NS bastya.in.mithrandir.hu. ;; ADDITIONAL SECTION: bastya.in.mithrandir.hu. 5 IN A 192.168.1.254 ;; Query time: 2 msec ;; SERVER: 192.168.100.2#53(192.168.100.2) ;; WHEN: Wed Sep 7 10:59:39 2011 ;; MSG SIZE rcvd: 109 root@smb-cluster-2:~# dig samba.in.mithrandir.hu ; DiG 9.7.3 samba.in.mithrandir.hu ;; global options: +cmd ;; Got answer: ;; -HEADER- opcode: QUERY, status: NOERROR, id: 55075 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 1 ;; QUESTION SECTION: ;samba.in.mithrandir.hu.IN A ;; ANSWER SECTION: samba.in.mithrandir.hu. 5 IN A 192.168.100.145 samba.in.mithrandir.hu. 5 IN A 192.168.100.144 ;; AUTHORITY SECTION: in.mithrandir.hu. 5 IN NS bastya.in.mithrandir.hu. ;; ADDITIONAL SECTION: bastya.in.mithrandir.hu. 5 IN A 192.168.1.254 ;; Query time: 11 msec ;; SERVER: 192.168.100.2#53(192.168.100.2) ;; WHEN: Wed Sep 7 11:00:50 2011 ;; MSG SIZE rcvd: 109 tesztxp (Windows XP Professional): --- - 192.168.100.128 (Mask: 255.255.255.0) root@smb-cluster-1:~# gluster volume info Volume Name: SAMBAVOL Type: Replicate Status: Started Number of Bricks: 2 Transport-type: tcp Bricks: Brick1: 10.10.10.1:/mnt Brick2: 10.10.10.2:/mnt Options Reconfigured: nfs.disable: on auth.allow: 10.10.10.* root@smb-cluster-1:~# mount -t glusterfs -o log-level=WARNING,log-file=/var/log/glusterfs/samba.log 10.10.10.1:/SAMBAVOL /samba root@smb-cluster-2:~# mount -t glusterfs -o log-level=WARNING,log-file=/var/log/glusterfs/samba.log 10.10.10.2:/SAMBAVOL /samba root@smb-cluster-1:~# mkdir /samba/ctdb root@smb-cluster-1:~# chmod 0770 /samba/ctdb root@smb-cluster-1:~# mkdir /samba/demo root@smb-cluster-1:~# mkdir /samba/demo/DATA1 /samba/demo/DATA2 root@smb-cluster-1:~# chmod 0700 /samba/demo root@smb-cluster-1:~# chmod 0755 /samba/demo/DATA1 /samba/demo/DATA2 root@smb-cluster-1:~# for i in `seq -w 1000` ; do touch /samba/demo/DATA1/$i ; done root@smb-cluster-1:~# chown demo001 /samba/demo root@smb-cluster-1:~# chown demo001:demo001 /samba/demo/DATA1 /samba/demo/DATA2 root@smb-cluster-1:~# find /samba/demo/DATA1 -type f -exec chmod 644 {} \; root@smb-cluster-1:~# find /samba/demo/DATA1 -type f -exec chown 0:0 {} \; Ctdb config: --- root@smb-cluster-1:~# cat /etc/ctdb/nodes 10.10.10.1 10.10.10.2 root@smb-cluster-1:~# cat
Re: [Samba] samba + xp Delayed Write Failed
Hello! I testing samba and XP (file size ~14MB). Copy, 2.2.3a-15 samba-XP (Explorer) Packet Size (bytes) Count Packet Size (bytes) Count 1 to 75:4723 751 to 825: 66 76 to 150: 490 826 to 900: 1 151 to 225: 201 901 to 975: 0 226 to 300: 4 976 to 1050: 7 301 to 375: 0 1051 to 1125: 1 376 to 450: 3 1126 to 1200: 0 451 to 525: 3 1201 to 1275: 0 526 to 600: 0 1276 to 1350: 194 601 to 675: 0 1351 to 1425: 2 676 to 750: 3 1426 to 1500+: 10300 Copy, 2.2.9-0 samba-XP (Explorer) Packet Size (bytes) Count Packet Size (bytes) Count 1 to 75:4699 751 to 825: 103 76 to 150: 503 826 to 900: 1 151 to 225: 16 901 to 975: 0 226 to 300: 171 976 to 1050: 11 301 to 375: 0 1051 to 1125: 2 376 to 450: 4 1126 to 1200: 1 451 to 525: 3 1201 to 1275: 0 526 to 600: 0 1276 to 1350: 174 601 to 675: 0 1351 to 1425: 2 676 to 750: 4 1426 to 1500+: 10297 Copy, 3.0.14a samba-XP (Explorer) Packet Size (bytes) Count Packet Size (bytes) Count 1 to 75:4718 751 to 825: 21 76 to 150: 481 826 to 900: 0 151 to 225: 11 901 to 975: 0 226 to 300: 222 976 to 1050: 0 301 to 375: 1 1051 to 1125: 2 376 to 450: 1 1126 to 1200: 0 451 to 525: 1 1201 to 1275: 0 526 to 600: 0 1276 to 1350: 217 601 to 675: 0 1351 to 1425: 2 676 to 750: 2 1426 to 1500+: 10305 Copy, 3.0.20pre1-1 samba-XP (Explorer) Packet Size (bytes) Count Packet Size (bytes) Count 1 to 75:4683 751 to 825: 103 76 to 150: 494 826 to 900: 0 151 to 225: 12 901 to 975: 0 226 to 300: 178 976 to 1050: 7 301 to 375: 1 1051 to 1125: 1 376 to 450: 4 1126 to 1200: 1 451 to 525: 0 1201 to 1275: 0 526 to 600: 0 1276 to 1350: 179 601 to 675: 0 1351 to 1425: 1 676 to 750: 4 1426 to 1500+: 10298 I not see here significant difference. Program running, 2.2.3a-15 samba Packet Size (bytes) Count Packet Size (bytes) Count 1 to 75: 12920 751 to 825: 469 76 to 150:1780 826 to 900: 2 151 to 225: 528 901 to 975: 0 226 to 300: 216 976 to 1050: 0 301 to 375: 1 1051 to 1125: 3 376 to 450: 6 1126 to 1200: 1 451 to 525: 1 1201 to 1275: 1 526 to 600: 1 1276 to 1350: 1 601 to 675: 1 1351 to 1425: 390 676 to 750: 3 1426 to 1500+: 28431 Program running, 2.2.9-0 samba Packet Size (bytes) Count Packet Size (bytes) Count 1 to 75:8041 751 to 825: 470 76 to 150: 186872 826 to 900: 2 151 to 225: 132 901 to 975: 3 226 to 300: 218 976 to 1050: 4 301 to 375: 1 1051 to 1125: 1 376 to 450: 6 1126 to 1200: 1 451 to 525: 1 1201 to 1275: 0 526 to 600: 1 1276 to 1350: 1 601 to 675: 1 1351 to 1425: 346 676 to 750: 3 1426 to 1500+: 28430 Program running, 3.0.14a samba Packet Size (bytes) Count Packet Size (bytes) Count 1 to 75: 10179 751 to 825: 469 76 to 150: 225618 826 to 900: 2 151 to 225: 145 901 to 975: 0 226 to 300: 232 976 to 1050: 0 301 to 375: 12 1051 to 1125:
Re: [Samba] samba + xp Delayed Write Failed
On Fri, Jul 08, 2005 at 03:11:45PM +0200, Kosa Attila wrote: Every test under running tcpdump: tcpdump -ni eth1 -w tcpdump.dmp tcpdump -ln -r tcpdump.dmp -s 0 -xX less 150 \ | egrep ^SMB P tcpdump-sambaversion.dmp I append the tcmpdump (egrep) issue and smb.conf-sambaversion. Sorry, stranded :) -- Bye Zsiga Sorry, for my poor English! -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/listinfo/samba
Re: [Samba] samba + xp Delayed Write Failed
On Fri, Jul 08, 2005 at 03:21:57PM +0200, Kosa Attila wrote: On Fri, Jul 08, 2005 at 03:11:45PM +0200, Kosa Attila wrote: I append the tcmpdump (egrep) issue and smb.conf-sambaversion. Sorry, stranded :) Sorry, I don't send :( http://members.chello.hu/kosa.attila/smb.conf-2.2.3a-15.gz http://members.chello.hu/kosa.attila/smb.conf-2.2.9-0.gz http://members.chello.hu/kosa.attila/tcpdump-2.2.3a-15.dmp.gz http://members.chello.hu/kosa.attila/tcpdump-2.2.9-0.dmp.gz -- Udvozlettel Zsiga Sorry, for my poor English! -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/listinfo/samba
[Samba] samba + xp Delayed Write Failed
Hello! Hardver: Windows XP Compaq Proliant DL360, Linux Compaq Proliant DL380. 2 pieces of processors Intel Xeon 3,2GHz, 2GB RAM, 6 gigabit interface (2 tg3, 4 e1000), Debian Woody, 2.4.31 vanilla kernel. 6 U320 SCSI 15krpm HDD, 2 HDD RAID1 system, 4 HDD RAID1+0 data. Every network cards connect at speed of 1000MB full duplex, with XP crosscable (but we've tried with gigabit switch, too, we have tried both types of cards). In the XP's (there are more of them) there are 2 pieces of interface at gigabit speed, one of them is connected to the network of PDC, the other is connected to the cards of the above mentioned computer with crosscable. There is also a Windows NT 4.0 SP6 server with gigabit card, too. Surroundings: Windows domain, samba PDC (2.2.8a) that gets users from LDAP. The Linux computer belongs to the domain, the LDAP-server is set to it in libnss-ldap.conf file (the getent passwd sees the users and groups), and the samba is able to authentify the users with the help of the options security = server, password server = IP.address, there's no problem with this. DL380 the samba's version is: 2.2.3a-15. Its speed is convencing, the program mentioned below communicates with the server at a speed of 140-15kbit/s (measuring with iptraf, Incoming ~9, Outgoing ~5), by the netwatch of Windows the utilization of the network sometimes reaches the 19%. When I make run the program below onto files on an XP, then by the network of Windows the utilization of the net is never higher than 15%. The utilization of the processor on the XP is above 50% while the program is running. There's a program that - when running on the XP - reads from mapped network drive and writes back there. It reads certain data and generates different files from the data. These files are relatively big size (both the read and written ones), now the biggest is the size of 400MB. However undefinable times we get the next error message in Windows: Delayed Write Failed. This time a note gets also into the diary of the events, its the status code is: c20c (see later why it's important). Searching in the Microsoft's Knowledge Base we've found these messages that are like the error message above: http://support.microsoft.com/default.aspx?scid=kb;en;321733 - here the error message is the same but the status code is not. It seems that the SP2 solves this problem on XP, we've looked through the mentioned things and everything is OK, they are set up so that they should work. http://support.microsoft.com/default.aspx?scid=kb;en-us;Q293842 - the error message is similar, the status code is the same, too but by Microsoft this error doesn't happen on XP. http://www.tangent-systems.com/support/delayedwrite.html - this is a good summary of the problem above. It analyses what kind of settings are needed for servers and clients in order to avoid this error (that is depending on the combination of the server and the client to switch on or to switch off the SMB signing). On the basis of the last link we have checked the settings of the Windows NT server (on that making the program run the error message doesn't happen) and they suit the requirements written in the article. The 2.2.3a-15 samba Windows NT behaves as a server on the network, that is SMB signing should be switched off in it, too... however this version doesn't know such an option! (I can't understand, if it doesn't know the option of SMB signing how it can use? Otherwise, if this samba can't use it, it can't be switched off because it is not switched on...) Anyway, we've also tried 2.2.8, 2.2.9 versions, but there was no result beside the drastic slowing down, the error message arises again on XP. (Drastic slowing down means: the speed doesn't exceed 2kbit/s in contradiction to the previous 15kbit/s, Incoming ~10700, Outgoing ~8500). We have ported 3.0.14a and 3.0.20pre1-1 versions aswell, they have SMB signing option (client signing = diabled, server signing = disabled), and it solves the question of error. Using these versions the error message doesn't arise on XP. But the speed is awful! We aren't able to reach 3kbit/s :( If debug level = 3, even 2kbit/scan't be exceeded! On XP the utilization of the processor doesn't go over 27%! By the Windows netwatch the utilization of the network never exceeds 2%! The utmost packet size (with iptraf) 76-150 byte. It's interesting that in case of simple copy (that is I copy from samba to XP starting copy from XP with Explorer) by the Windows netwatch speed is fixed 11%, by iptraf it is roughly fixed 117000kbit/s (with version 2.2.3a-15). And neither copies always run without errors! Sometimes an error message arrives: Network name can't be reached (or something like that - it can't be totally reproducted the copy is sometimes successful, sometimes not). Here is the 2.2.3a-15 samba version's smb.conf file (as it can be seen, we haven't tuned too much on it, it's almost the default config):
Re: [Samba] samba + xp Delayed Write Failed
On Thu, Jul 07, 2005 at 03:07:56AM -0700, Jeremy Allison wrote: On Thu, Jul 07, 2005 at 11:53:39AM +0200, Kosa Attila wrote: max xmit = 8192 block size = 4096 Why have you changed these ? What was the purpose of doing so ? Just remove them from your smb.conf. My disks block size is 4096 byte. We tried all kinds of value to both options, in order to find the optimal values. man smb.conf (samba 3.0.14a version) /max xmit \(G\) The default is 65535, which is the maximum. In some cases you may find you get better performance with a smaller value. Therefore we tried to lower the default value. But we tried the default value, too. Unfortunately it hasn't changed for the better :( I make a little drawing to make the network topology clear (it may help). | WIN | | NT 4 | |1000 | |-firewall--Internet -- 100 1000 | --- | | samba |--|switch|| XP | |VNC | PDC| | VNC | | | LDAP || | | | | replica||1000 | | | --| --- | |1000MB| my | eth1 | cable| Linux| |samba |---| | box | |3.0.20| samba PDC eth0 192.168.3.35 (192.168.3.0/24) samba 3.0.20 eth0 192.168.3.190 (192.168.3.0/24) samba 3.0.20 eth1 192.168.20.1 (192.168.20.0/24) XP nic1 192.168.3.191 (192.168.3.0/24) XP nic2 192.168.20.2 (192.168.20.0/24) WIN NT 4192.168.3.21 (192.168.3.0/24) -- Bye Zsiga Sorry, for my poor English! -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/listinfo/samba
Re: [Samba] Seeking help with Samba shares OPLOCKS Quickbooks databases
On Wed, Jul 06, 2005 at 12:54:03PM -0600, Liz Ackerman wrote: [accting] comment = Accounting Volume path = /accting writeable = yes valid users = a list of valid users level2 oplocks = no veto oplock files = /*.*db/*.ldb/*.mde/*.xls/*.QB*/*.*/ blocking locks = no locking = no strict locking = no share modes = no The first user opens the database, and as soon as the second person attempts to access the same database, the database is corrupting and crashing. man smb.conf /locking \(S\) Be careful about disabling locking either globally or in a specific service, as lack of locking may result in data corruption. Well, switch locking back. -- Udvozlettel Zsiga -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/listinfo/samba