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OceanStor 9000 V300R006C00 File System Feature Guide 12

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Accessing a Snapshot

Accessing a Snapshot

A Linux host user can access snapshot data from hidden folder .snapshot in the snapshot directory. A Windows client user can access snapshot data from hidden folder .snapshot in the snapshot directory or the Previous Versions page.

Prerequisites

The source directory of a snapshot or the parent directory of a source directory has been configured into a CIFS or NFS share.

Procedure

  • Access snapshot data using a Linux host.
    1. Mount and access a shared folder on a Linux client.
    2. Go to folder .snapshot in the shared directory and view the snapshot.

      For example, there is an NFS shared directory named test01 that contains subdirectory dir3. Create snapshots dir3.sp1 and dir3.sp2 for dir3. On the Linux client, mount shared directory test01 using NFS. The mount point is /mnt/client. Go to the .snapshot folder. The result is as follows:

      [root@suse11-96-95-10-102 11:41:10 /mnt/client/dir3/.snapshot]# ll
      total 8.0K
      drwxr-xr-x 4 root root 4.0K Aug 25  2014 dir3.sp1
      drwxr-xr-x 4 root root 4.0K Aug 25  2014 dir3.sp2

  • Access snapshot data using a Windows host.
    1. Access a shared directory on a Windows host.
    2. View snapshot information in hidden folder .snapshot or on the Previous Versions tab page of the folder property window.

      For example, there is a CIFS shared directory named snapshottest that contains subdirectories test1 and test2. Create snapshots snapshot_142511498019 and snapshot_142511514948 for snapshottest. On the Windows client, install CIFS and access snapshottest. You can see hidden folder .snapshot and snapshot directories in it, as shown in Figure 5-11.

      Figure 5-11  Viewing snapshot information in hidden folder .snapshot

      Right-click directory test1 and choose Properties from the shortcut menu. In the window that is displayed, click the Previous Versions tab to view snapshot information, as shown in Figure 5-12.

      Figure 5-12  Viewing snapshot information on the Previous Versions tab page

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Updated: 2019-06-27

Document ID: EDOC1000122519

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