LUN在SnapLock后无状态
适用场景
- ONTAP 9
- SnapLock Compliance
- LUN
问题描述
- LUN在SnapLock后没有元数据:
::> lun show -instance -vserver iscsi_svm_snaplock -path /vol/snaplock_mir_SQL_data_vol/lun.dat
          Vserver Name: iscsi_svm_snaplock 
             LUN Path: /vol/snaplock_mir_SQL_data_vol/lun.dat
            Volume Name: snaplock_mir_SQL_data_vol
            Qtree Name: ""
             LUN Name: lun.dat
             LUN Size: -
              OS Type: -
         Space Reservation: -
           Serial Number: -
        Serial Number (Hex): -
              Comment: -
    Space Reservations Honored: -
         Space Allocation: -
               State: -
             LUN UUID: -
              Mapped: unmapped
- 卷正常,并且类型为 DP:
::> volume show -instance -vserver iscsi_svm_snaplock -volume snaplock_mir_SQL_data_vol
                   Vserver Name: iscsi_svm_snaplock
                     Volume Name: snaplock_mir_SQL_data_vol
                   Aggregate Name: cluster1_04_aggr2_sata_snaplock
    List of Aggregates for FlexGroup Constituents: cluster1_04_sata_snaplock
                   Encryption Type: none
          List of Nodes Hosting the Volume: cluster1_04
                     Volume Size: 811.8GB
                 Volume Data Set ID: 5944
              Volume Master Data Set ID: 2154731386
                    Volume State: online
                    Volume Style: flex
                Extended Volume Style: flexvol
               FlexCache Endpoint Type: none
               Is Cluster-Mode Volume: true
                Is Constituent Volume: false
            Number of Constituent Volumes: -
                    Export Policy: default
                       User ID: 0
                      Group ID: 0
                   Security Style: unix
                  UNIX Permissions: ---rwxr-xr-x
                    Junction Path: -
                Junction Path Source: -
                   Junction Active: -
               Junction Parent Volume: -
                       Comment:
                   Available Size: 150.0GB
                   Filesystem Size: 811.8GB
               Total User-Visible Size: 811.8GB
                      Used Size: 661.8GB
                   Used Percentage: 81%
        Volume Nearly Full Threshold Percent: 95%
            Volume Full Threshold Percent: 98%
                  Maximum Autosize: 100TB
                  Minimum Autosize: 322.5GB
         Autosize Grow Threshold Percentage: 85%
        Autosize Shrink Threshold Percentage: 70%
                    Autosize Mode: grow_shrink
         Total Files (for user-visible data): 21251126
         Files Used (for user-visible data): 101
              Space Guarantee in Effect: true
                 Space SLO in Effect: true
                      Space SLO: none
                Space Guarantee Style: none
                 Fractional Reserve: 0%
                     Volume Type: DP
- LUN文件包含在卷快照中:
::> set advanced
Warning: These advanced commands are potentially dangerous; use them only when directed to do so by NetApp personnel.
 Do you want to continue? {y|n}: y
::*> system node run -node cluster1-04 -command "ls /vol/snaplock_mir_SQL_data_vol/.snapshot/SP_2_399842_1711652461"
 .
 ..
 lun.dat
- 尝试使用还原快照时 snapmirror restore,生成的LUN也没有状态,并且无法联线以恢复数据:
::> lun online -vserver iscsi_svm -path /vol/temp_SQL_data_vol/lun.dat
 Error: command failed: Error while looking up LUN "/vol/temp_SQL_data_vol/lun.dat". Reason: Invalid argument.
- SnapMirror关系:
::> snapmirror show -instance -source-path iscsi_svm:mir_SQL_data_vol -destination-path iscsi_svm_snaplock:snaplock_mir_SQL_data_vol
                  Source Path: iscsi_svm:mir_SQL_data_vol
                 Source Cluster: -
                 Source Vserver: iscsi_svm
                  Source Volume: mir_SQL_data_vol
                Destination Path: iscsi_svm_snaplock:snaplock_mir_SQL_data_vol
               Destination Cluster: -
               Destination Vserver: iscsi_svm_snaplock
               Destination Volume: snaplock_mir_SQL_data_vol
                Relationship Type: XDP
- SnapLock之前的源LUN具有预期的元数据:
::> lun show -instance -vserver iscsi_svm -path /vol/mir_SQL_data_vol/lun.dat
          Vserver Name: iscsi_svm
             LUN Path: /vol/mir_SQL_data_vol/lun.dat
            Volume Name: mir_SQL_data_vol
            Qtree Name: ""
             LUN Name: lun.dat
             LUN Size: 500GB
              OS Type: windows
         Space Reservation: disabled
           Serial Number: 802Ks$Fn0v3f
        Serial Number (Hex): 3830324b7324466e30763366
              Comment:
    Space Reservations Honored: false
         Space Allocation: disabled
               State: online
             LUN UUID: 07498d86-41c1-4d05-b87b-ac666774de10
              Mapped: unmapped
- 仅列出源LUN,而不列出SnapLock LUN lun show:
 ::> lun show Vserver Path State Mapped Type Size --------- ------------------------------- ------- -------- -------- -------- iscsi_svm /vol/mir_SQL_data_vol/lun.dat online unmapped windows 500GB