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Questions tagged [server-message-block]

Server Message Block is a network file sharing protocol created by Microsoft. This is the protocol used for file and printer sharing on Windows networks.

603 questions
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Linux servers in a (primarily) Windows (AD) environment

When I arrived at my current position, our environment existed almost exclusively of Windows servers. However, I am a big fan of using Linux for certain applications, like the webgallery I was asked to set up, a simple SFTP server, Nagios for…
HannesFostie
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Mounting windows shares with Active Directory permissions

I've managed to get my Ubuntu (server 10.04 beta 2) box to accept logins from users with Active Directory credentials, now I'd like those users to access their permissible windows shares on a W2003 R2 server. The Windows share ("\srv\Users\") has…
Jamie
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No write permission on mounted CIFS drive

I'm on a Linux machine trying to mount an SMB share inside a big network via my Active Directory username: mount -t cifs -o username=myuser,domain=mydomain //server/share /mount/path After the password + succesful mount I try touch…
R-obert
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Can't Disable SMB 2/3 Signing between Windows 10 and Windows Server 2019

I've been having some strange file copy issues between a Windows 10 client and Window Server 2019 system (DC/Fileserver). I don't want to explain that issue in detail here other than to say it appears it is caused by SMB signing (random Invalid…
BenH
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How to disallow SMB1 and SMB2 but still allow connections from Linux smbclient and list shares using Thunar?

Running a Samba server, I guess it is a good idea to require encryption and SMB3. So I tried setting these two options in /etc/samba/smb.conf (see documentation) in the [global] section: smb encrypt = mandatory min protocol = SMB3 After a sudo…
lumbric
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SMB/CIFS verify data integrity

I'm in the middle of setting up a new fileserver on my network, and can't decide which file-transfer protocol to use. Ensuring that any data transferred to/from the server isn't corrupted in transit is my highest priority, since I'll be transferring…
Jake
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What's the difference between "Open Mode" and "# Locks" in Open Files section of Shared Folder Management?

In the Shared Folders Management Console, most sysadmins are quite familiar with the "Open Files" section, but I've never really felt the need to distinguish between the "Open Mode" column, and Number of Locks ("# Locks"). We're having issues with a…
user3343110
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CTDB Samba failover not highly available

TL;DR Failing a node in a ctdb + samba cluster while interacting with a share interrupts share connection. here and here state there is work in progress to make this possible here states it is already possible with Samba 3.0 (currently using…
Christoph Girstenbrei
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Can SMB Direct be used together with a SMB network share on one NAS?

I'm currently working on upgrading our server storage and I'm looking into SMB direct in combination with an RDMA supported NIC. SMB Direct is interesting as it has very low latency compared to competitive protocols. I would however, like the server…
aardbol
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What is bottlenecking my SMB share?

I set up a SMB/CIFS share on my FreeNAS box (Xeon E3-1220v5, 8GB DDR4 RAM) and I noticed that transfer rates are limited to ~70 MB/s, while I can easily get around 110 MB/s via WebDAV and using iperf I can achieve the complete theoretical maximum of…
comfreak
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ID mapping with SSSD and SMB

I'm trying to get a samba share working with correct IDs on Windows (SID) and Linux (uid/gid) clients. The problem is that the uids and gids are not properly mapped back to SIDs and SIDs are not resolved to names. What could lead to this problem and…
Sethos II
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Initial delay when browsing SMB share from Windows

We have a NAS (Synology, running DSM 6) which is connected to our Active Directory on a Windows 2016 server. The NAS has 7 shared folders which are shared using SMB2. When browsing to the NAS using Windows Explorer (tested on both Windows 7 and…
Björn
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Slow Access to Mapped Drive and WebDav

I'm running a Windows 8.1 x64 media server for my living group on my university's campus which serves about 40 people (though not all at the same time). It has a 1000Mbps synchronous connection to all authorized users on our campus. Currently I've…
mc1175
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How to automatically restart Opensolaris/OmniOS service/daemon that logs notices, but not critical errors to syslog?

The following problem can be viewed as a CIFS/AD related problem (specific view) or as a question about service restarts, error handling and log parsing (general view). I will present both areas here, but would be happy to receive answers on any of…
user121391
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SMB File Transfer Manager application for Windows?

I'm in the process of transferring very large files over an unreliable network connection using normal SMB (windows share folder). Of course, using Windows Explorer means that any time that connection is interrupted, all progress were lost, and any…
Justin Searls
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