分离虚拟机后挂载不工作（-115） [英] Mount not working (-115) after detaching virtual machine

问题描述

我需要在我的Ubuntu虚拟机上安装一个网络共享，直到现在我仍然无法做到这一点，尽管阅读了一些你的Linux文档。

<到目前为止我做了什么：

我使用Ubuntu 18.04.1 LTS的官方图像设置了一台Ubuntu机器，并在"/ etc / fstab"中添加了一行代码。文件，现在看起来如下，其中10.0.0.4是一个在线永久持有samba共享的机器"共享"：

 / /10.0.0.4/share / datadrive cifs guest，_netdev，iocharset = utf8，file_mode = 0777，dir_mode = 0777 00 

当调用"mount -a"时如果我重新启动VM，系统可以找到共享文件夹并安装它。但是当解除分配然后启动它时，我收到以下错误消息：

 [30.172043] CIFS VFS：连接到套接字时出错。中止操作。 
 [30.176740] CIFS VFS：cifs_mount失败w /返回码= -115 

我做错了什么？在您的教程中，https：//docs.microsoft.com/en-us/azure/virtual-machines/linux/mount-azure-file-storage-on-linux-using-smb#persist-the-mount那里应该没有额外的要求，但是这个（使用文件存储
而不是另一个VM的samba-share）给出了相同的结果。

EDIT ：

以下是我今天再次收集的一些其他数据：

systemctl status datadrive.mount 返回：

●datadrive.mount  -  / datadrive 
已加载：已加载（/ etc / fstab;已生成）
有效：失败（结果：退出代码）自周一2018-09-17 17:09:52 UTC; 2分59秒前
其中：/ datadrive 
什么：//10.0.0.4/share 
文档：man：fstab（5）
 man：systemd-fstab-generator（8） 
流程：1040 ExecMount = / bin / mount //10.0.0.4/share / datadrive -t cifs -o x-systemd.requires = cloud-init.service，x-systemd.before = docker.service，guest ，iocharset = utf8，file_mode = 0777，dir_mode = 0777（code = exited，status = 32）
 
 Sep 17 17:09:41 stripes-master-s6 systemd [1]：挂载/ datadrive。 .. 
 Sep 17 17:09:52 stripes-master-s6 mount [1040]：mount error（115）：正在进行操作
 Sep 17 17:09:52 stripes-master-s6 mount [1040]：请参阅mount.cifs（8）手册页（例如man mount.cifs）
 Sep 17 17:09:52 stripes-master-s6 systemd [1]：datadrive.mount：挂载进程已退出，code = exited status = 32 
 Sep 17 17:09:52 stripes-master-s6 systemd [1]：datadrive.mount：结果'exit-code'失败。 
 9月17日17:09:52 stripe-master-s6 systemd [1]：无法挂载/ datadrive。

这次只有5台机器中的4台失败了应该挂载这个共享驱动器。

解决方案

您可以尝试以下问题排查步骤：

• 首先确保你可以ping IP地址
• Telnet IP on端口445
• 是否有任何IP最近有变化吗？请确保正确设置了防火墙。
• 检查DNS问题
• 检查防火墙（包括本地防火墙或网络防火墙）
• 检查日志文件 - / var / log / syslog或/ var / log / messages

有关详细信息，请参阅

MSDN 线程，解决类似的问题。

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I need to mount a network share on my Ubuntu virtual machine, which I wasn't able to do until now despite reading through quite some of your and the Linux documentation.

What I did so far:

I've set up a Ubuntu machine using the official image for Ubuntu 18.04.1 LTS and added a line to the "/etc/fstab" file, which now looks like following, whereby 10.0.0.4 is a machine which is online permanently holding a samba share on "share":

//10.0.0.4/share	/datadrive	cifs	guest,_netdev,iocharset=utf8,file_mode=0777,dir_mode=0777	00

When calling "mount -a" the system is able to find the shared folder and mount it, same if I restart the VM. But when deallocating it and then starting it, I get the following error message:

[   30.172043] CIFS VFS: Error connecting to socket. Aborting operation.
[   30.176740] CIFS VFS: cifs_mount failed w/return code = -115

What am I doing wrong? Out of your tutorial on https://docs.microsoft.com/en-us/azure/virtual-machines/linux/mount-azure-file-storage-on-linux-using-smb#persist-the-mount there should be no additional requirements, but also this one (taking a file-storage instead of a samba-share of another VM) gave the same result.

EDIT:

Here's some additional data I gathered when it today happened again:

systemctl status datadrive.mount returns:

● datadrive.mount - /datadrive
   Loaded: loaded (/etc/fstab; generated)
   Active: failed (Result: exit-code) since Mon 2018-09-17 17:09:52 UTC; 2min 59s ago
    Where: /datadrive
     What: //10.0.0.4/share
     Docs: man:fstab(5)
           man:systemd-fstab-generator(8)
  Process: 1040 ExecMount=/bin/mount //10.0.0.4/share /datadrive -t cifs -o x-systemd.requires=cloud-init.service,x-systemd.before=docker.service,guest,iocharset=utf8,file_mode=0777,dir_mode=0777 (code=exited, status=32)

Sep 17 17:09:41 stripes-master-s6 systemd[1]: Mounting /datadrive...
Sep 17 17:09:52 stripes-master-s6 mount[1040]: mount error(115): Operation now in progress
Sep 17 17:09:52 stripes-master-s6 mount[1040]: Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
Sep 17 17:09:52 stripes-master-s6 systemd[1]: datadrive.mount: Mount process exited, code=exited status=32
Sep 17 17:09:52 stripes-master-s6 systemd[1]: datadrive.mount: Failed with result 'exit-code'.
Sep 17 17:09:52 stripes-master-s6 systemd[1]: Failed to mount /datadrive.

This time it only failed for 4 of the 5 machines who are supposed to mount this shared drive.

解决方案

You try the below troubleshooting steps:

• First Make sure that you can ping the IP address
• Telnet IP on Port 445
• Has there be any IP changes lately? Please make sure that the firewall is properly set.
• Check DNS issue
• Check firewall (include local firewall or network firewall)
• Check your Log files - /var/log/syslog or /var/log/messages

For more details, you may refer the suggestions outlined in the MSDN thread, which addresses similar issue.

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