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Disk Encryption User Guide

OceanStor V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5300F V5, 5500 V5, 5500F V5, 5600 V5, 5600F V5, 5800 V5, 5800F V5, 6800 V5, 6800F V5, 18500 V5, 18500F V5, 18800 V5, and 18800F V5. It introduces how to install and configure key management servers connected to the storage systems that use self-encrypting disks.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Creating a Self-encrypting Disk Domain

Creating a Self-encrypting Disk Domain

After a self-encrypting disk domain is created on the storage system, an encryption key is automatically generated.

Prerequisites

SEDs have been configured on the storage system. The AutoLock status of the SEDs is OFF.

To query the AutoLock status of the SEDs, you can log in to the CLI of the storage system and run the show disk general command.

admin:/>show disk general 
ID        Health Status  Running Status  Type  Capacity   Role       Disk Domain ID  Speed(RPM)  Health Mark  Bar Code              Item      AutoLock State   
  --------  -------------  --------------  ----  ---------  ---------  --------------  ----------  -----------  --------------------  --------  -------------- 
  DAE000.0  Normal         Online          SSD-SED   366.965GB  Free Disk  --              --          --           2102350LGX10FB000131  02350LGX  OFF        
  DAE000.1  Normal         Online          SSD-SED   366.965GB  Free Disk  --              --          --           2102350LGX10FB000124  02350LGX  OFF        
  DAE000.2  Normal         Online          SSD-SED   366.965GB  Free Disk  --              --          --           2102350LGX10FB000238  02350LGX  OFF        
  DAE000.3  Normal         Online          SSD-SED   366.965GB  Free Disk  --              --          --           2102350LGX10FA000228  02350LGX  OFF        
  DAE000.4  Normal         Online          SSD-SED   371.965GB  Free Disk  --              --          --           2102350LGX10FA000227  02350LGX  OFF        
  DAE000.5  Normal         Online          SSD-SED   371.965GB  Free Disk  --              --          --           2102350LGX10FA000187  02350LGX  OFF        
  DAE100.0  Normal         Online          SSD-SED   366.965GB  Free Disk  --              --          --           2102350LGX10FA000159  02350LGX  OFF        
  DAE100.1  Normal         Online          SSD-SED   366.965GB  Free Disk  --              --          --           2102350LGX10FA000161  02350LGX  OFF        
  DAE100.2  Normal         Online          SSD-SED   366.965GB  Free Disk  --              --          --           2102350LGX10G3000505  02350LGX  OFF        
  DAE100.3  Normal         Online          SSD-SED   366.965GB  Free Disk  --              --          --           2102350LGX10FA000182  02350LGX  OFF        
  DAE100.4  Normal         Online          SSD-SED   371.965GB  Free Disk  --              --          --           2102350LGX10G3000511  02350LGX  OFF        

If AutoLock State is OFF, disk encryption is disabled.

Procedure

  1. Log in to DeviceManager.
  2. Choose Provisioning > Disk Domain.
  3. Click Create.

    The Create Disk Domain dialog box is displayed, as shown in Figure 3-73.

    Figure 3-73 Creating a disk domain

  4. Name and describe the disk domain.

    1. In Name, enter a name for the disk domain.
      NOTE:
      • Each disk domain has a unique name.
      • A disk domain name can contain only letters, digits, underscores (_), hyphens (-), and periods (.).
      • A disk domain name contains 1 to 31 characters.
    2. In Description, enter the usage and properties of the disk domain. The descriptive information helps identify the disk domain.

  5. Set Encryption Type to Self-Encrypting Disk.
  6. Select disks to be contained in the disk domain using any of the following methods:

    • Select All available disks.
    • Select Specify disk type.
      1. Select a storage tier.
      2. Set the number of disks that compose the storage tier.
    • Select Manually select.
      1. Click Select.
      2. In the Select Disk dialog box, select desired disks and click .
      3. Click OK to finish selecting disks.
    NOTE:
    • You are advised to create a disk domain using Manually select. Ensure that the disk domain is made up of disks from the same engine. This will reduce disk failure rates and improve disk read/write performance.
    • If you want to create RAID 10 storage pools in the new disk domain, manually select disks for each storage tier in the disk domain and ensure that an even number of disks in each storage tier belong to the same engine. Such a configuration ensures the reliability of RAID 10 storage pools.

  7. Click OK.

    A message is displayed indicating that the operation succeeded.

  8. Click OK.

    After a disk domain is created, choose Provisioning > Disk Domain. In the lower pane, check that AutoLock of the SEDs in the disk domain is Enable.

  9. View the encryption key on the key management server.

    1. Log in to the key management server's web interface as a group manager.
    2. Click the Keys tab.
      Figure 3-74 Key management
    3. Set the filter criteria as needed. In the result list, check whether a key has been generated based on the serial numbers of the disks in the disk domain, and whether the key is in the Active state.

      You can run the show disk general disk_id= command and obtain the Serial Number of a disk from the command output.

      admin:/>show disk general disk_id=CTE0.0 
       
        ID                              : CTE0.0                  
        Health Status                   : Normal                  
        Running Status                  : Online                  
        Type                            : NVMe SSD SED            
        Capacity                        : 1.813TB                 
        Role                            : Member Disk             
        Disk Domain ID                  : 0                       
        Speed(RPM)                      : --                      
        Interface Bandwidth(Mbps)       : 6000                    
        Sector Size                     : 520B                    
        Temperature(Celsius)            : 35                      
        Model                           : HSSD-0235G6PF           
        Firmware Version                : 1064                    
        Manufacturer                    : HUAWEI                  
        Serial Number                   : HS000000000000338144    
        Light Status                    : Off                     
        Disk Domain Name                : DiskDomain002           
        Disk Domain Tier ID             : 0.4294967295            
        Coffer Disk                     : Yes                     
        Run Time(Day)                   : 69                      
        Progress(%)                     : 0                       
        Health Mark                     : --                      
        Multipathing                    : A,B                     
        Bad Time                        : --                      
        Bad Type                        : --                      
        Sense Key                       : --                      
        Sense Code                      : --                      
        Fru                             : --                      
        Bar Code                        : 210235G6BB1000000007

Follow-up Procedure

After creating the self-encrypting disk domain, you can create LUNs or file systems to allocate the storage space to application servers. For details, see Basic Storage Service Configuration Guide for Block or Basic Storage Service Configuration Guide for File of the corresponding product model.

On DeviceManager, you can choose Settings > Export Data > Running Data to export running data. You can query the key management configurations in the running data.

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Updated: 2019-07-11

Document ID: EDOC1000181504

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