Enterprise Service Cloud - Docs

Use NFS

Mount an NFS Share

If you use RedHat, please make sure that nfs-utils is installed before you try to mount:

yum install nfs-utils

To establish a connection to a share/mount-point you need to add an entry like below to /etc/fstab:

Raw Command:

<ip>:/<volumeId>/<shareName>/ <your mount-point> nfs nfsvers=4.0,async,hard,nointr,bg,tcp,rsize=65536,wsize=65536
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Important

<your mount-point> has to be replaced with an existing empty directory on the server's filesystem.

Example:

192.168.2.4:/fb75_b1a3_0001/3abc22ab9f0 /mtn/swisscom nfs nfsvers=4.0,async,hard,nointr,bg,tcp,rsize=65536,wsize=65536

The exact mount URI and an example command for a temporary mount can be found in the Swisscom Portal as shown in the screenshot below.

If the share is to be mounted only temporarily (until the next reboot) you can also simply execute the red marked command in your shell.

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Mount Parameters

The mount parameters in the examples above are suggestions and can be changed. For example, you can also soft mountopen in new window your NFS share if needed.

If you use NFSv4, make sure your File System Service has a NFSv4 Domain Name set. Additionally, your linux system needs to have the correct domain name set either in /etc/idmapd.conf (for Red Hat or SUSE Systems), /etc/default/nfs-common (for Ubuntu Systems < 2204) or /etc/nfs.conf (for Ubuntu Systems >= 2204).

Restore Local NFS Snapshot

The local snapshots are located in the .snapshot directory of the respective share.

Example

root@UBUNTU1604--001:/<your mount-point>/.snapshot# ls -asl
total 156
4 drwxrwxrwx 39 root root 4096 Jun 25 10:10 .
4 drwxr-xr-x 2 root root 4096 Jun 7 08:59 ...
4 drwxr-xr-x 2 root root 4096 Jun 7 08:59 d10.2019-06-18_1910
4 drwxr-xr-x 2 root root 4096 Jun 7 08:59 d10.2019-06-19_1910
…<br>
4 drwxr-xr-x 2 root root 4096 Jun 7 08:59 h10.2019-06-25_0710
4 drwxr-xr-x 2 root root 4096 Jun 7 08:59 h10.2019-06-25_1010
4 drwxr-xr-x 2 root root root 4096 Jun 7 08:59 snapmirror.d2535f76-8906-11e9-8f21-00a0989dee7c_2155284212.2019-06-24_225000
4 drwxr-xr-x 2 root root 4096 Jun 7 08:59 w1910.2019-06-22_1910

With Linux commands (cp, ls, ..) the different backups can be viewed and copied back.

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Warning

For a restore of backups older than 7 days an incident ticket must be opened. The following information is mandatory:

  • URI (also shown in the screenshot, above the red marked area)
  • Date of the backup
  • Filename or Directoryname
  • Restore directory

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