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CloudEC V600R019C00 Security Maintenance (Enterprise On-premises, Only Conference)

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Destroying User Data Safely

Destroying User Data Safely

User data that is stored on devices must be destroyed when the devices are repaired or discarded.

Background

User data includes address book information, user account information, and emails. When repairing devices, delete personal user data as required. If devices are to be discarded, format the CF cards to ensure that user data is destroyed safely.

Procedure

  1. Log in to the MCU from PuTTY.
  2. At the <HUAWEI VP9650> prompt, enter file and press Enter.
  3. At the <HUAWEI VP9630(file)> prompt, enter cd /ata00:1 and press Enter.
  4. At the <HUAWEI VP9630(file)> prompt, enter ll and press Enter.

    The following information is displayed:

    drwxrwxrwx 1 0 0 16384 Sep 18 14:41 ivr/
    drwxrwxrwx 1 0 0 16384 Jan 15 11:04 log/
    drwxrwxrwx 1 0 0 16384 Jan 15 11:05 alarm/
    drwxrwxrwx 1 0 0 16384 Jan 15 11:04 snmp/
    drwxrwxrwx 1 0 0 16384 Oct 15 14:55 edr/
    drwxrwxrwx 1 0 0 16384 Oct 15 14:28 web/
    drwxrwxrwx 1 0 0 16384 Jan 17 02:06 certificate/
    drwxrwxrwx 1 0 0 16384 Jan 17 02:05 ssl/
    drwxrwxrwx 1 0 0 16384 Jan 17 02:06 svrdata/
    drwxrwxrwx 1 0 0 16384 Jan 17 02:06 svrdata_bak/
    drwxrwxrwx 1 0 0 16384 Feb 9 10:39 addrbook/
    drwxrwxrwx 1 0 0 16384 Jul 15 18:16 netcap/
    drwxrwxrwx 1 0 0 16384 Jul 16 12:51 patroll/
    drwxrwxrwx 1 0 0 16384 Sep 2 09:27 diagnose_edr/
    drwxrwxrwx 1 0 0 16384 Sep 29 16:05 collect/

  5. Delete files and directories containing user data.

    • When repairing a device, delete the user data, user data backup, and address book file. Do not delete log files. The files facilitate problem locating.

      rm addrbook

      cd svrdata

      ll

      The following information is displayed:
      drwxrwxrwx  1  0      0                16384  Jan  1    2001   ./
      drwxrwxrwx  1  0      0                16384  Oct  26   03:57  ../
      -rwxrwxrwx  1  0      0                 2558  Oct  20   18:28  user.dat
      -rwxrwxrwx  1  0      0                40231  Oct  23   15:20  site.dat
      -rwxrwxrwx  1  0      0                   52  Oct  21   15:00  siteGroup.dat
      -rwxrwxrwx  1  0      0                 1800  Sep   9   11:16  route.dat
      drwxrwxrwx  1  0      0                16384  Oct  22   10:30  conf/
      drwxrwxrwx  1  0      0                16384  Oct  23   15:30  activeconf/
      drwxrwxrwx  1  0      0                16384  Aug  31    2001  mcu/
      -rwxrwxrwx  1  0      0                  812  Oct  23   15:17  confStat.dat
      -rwxrwxrwx  1  0      0               128932  Oct  26   12:46  resStat.dat
      -rwxrwxrwx  1  0      0                16384  Oct  23   10:49  cdr/
      -rwxrwxrwx  1  0      0                   64  Oct  26   12:00  seq.dat

      Delete user data-related files from the svrdata directory.

      rm user.dat

      rm site.dat

      rm siteGroup.dat

      rm route.dat

      rm conf/

      rm activeconf/

      rm cdr/

      NOTE:
      The rm command cannot directly delete a folder. If you want to delete a folder, for example, conf/, run the cd command to go to the folder and delete all files from the folder. Then go to the svrdata directory to delete the folder.

      Go to the svrdata_bak directory and delete user data-related files.

      cd ..

      cd svrdata_bak

      rm user.dat

      rm site.dat

      rm siteGroup.dat

      rm route.dat

      rm conf/

      rm activeconf/

      rm cdr/

    • If a device is to be discarded, run the format command to format the CF card of the device.

  6. At the <HUAWEI VP9650(file)> prompt, enter quit and press Enter.

    The system quits the large file system.

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Updated: 2019-08-07

Document ID: EDOC1100059091

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