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--- tsm:ndmp_snapdiff [2021/01/01 21:25]
127.0.0.1 external edit
+++ tsm:ndmp_snapdiff [2022/03/10 09:54] (current)
manu [Backup Netapp/Ontap using snapdiff]
@@ Line 12: / Line 12: @@
 https://www.ibm.com/support/knowledgecenter/SSEQVQ_8.1.7/client/c_cfg_snapmirror_supt_netapp_snapdiff.html
+https://www.ibm.com/docs/en/spectrum-protect/8.1.8?topic=cspc-configuring-netapp-spectrum-protect-snapshot-difference-incremental-backups
+Compatibility matrix
+  https://www.ibm.com/support/pages/node/154613
+**IMPORTANT NOTE end of support of snapdiff**
+  https://www.ibm.com/support/pages/using-ibm-spectrum-protect-protect-netapp%C2%AE-filers-snapdiff%E2%84%A2-changing
+  https://mysupport.netapp.com/info/communications/ECMLP2876788.html
+Following the docs for TSM 7.1.2.2 you should enter the following commands:
+===== snapdiff configuration =====
+we've just migrated our first vFiler from 7mode 8.2.1 to cDOT 8.3.2 - and tsm snapdiff Backup works like a charm.
+But you have to be careful how to setup the connection from the TSM BAclient to the cDOT Filer.
+    you need TSM BackupArchive Client Version 7.1.4.x (recommended is 7.1.4.2 due to TSM bug IT12436 http://www-01.ibm.com/support/docview.wss?uid=swg1IT12436
+    a NetApp cDOT Security Role on the cDOT Cluster, which is to be backuped with TSM - of course you could use the admin role - but it's a security concern.
+    this example grants very wide readonly rights for the role used, but it works - of course you can tune and optimize the rights needed for the role used in your installation.
+    i've not found a sample listing for the needed commands for the SnapDiff Usage of TSM in cDOT environment.
+    security login role create -role tsm-snapdiff-role -cmddirname DEFAULT -access readonly
+    security login role create -role tsm-snapdiff-role -cmddirname "vserver" -access readonly
+    security login role create -role tsm-snapdiff-role -cmddirname "volume snapshot" -access all
+    a NetApp cDOT User on the cDOT Cluster, which is associated with the just created Security Role. In the first line you have to define a password for that user, please use a complex one and remind that password for later use on the TSM BackupArchive Client System (in this example i've used a local cDOT User, i've not yet tried a domain-user for this - if you want to do it that way, you have to setup a domain tunnel for it in the cDOT Cluster - syntax for this is described here
+    security login create -username snapdiff-user -application http -role tsm-snapdiff-role -authmethod password
+    security login create -username snapdiff-user -application ontapi -role tsm-snapdiff-role -authmethod password
+    the just created user has to be defined on the System which is responsible for backup of the CIFS Shares of the NetApp cDOT Cluster-System vServers/SVMs.
+    just log into that System (in my example its a Windows Server System) and define it in the Client Option File Registry Hive with the TSM-Tools
+    define the clustered Data Ontap Management Cluster Connection:
+    dsmc set netappsvm <hostname of svm sharing the volume> <fqdn of netapp cluster management server> <svm name in cDOT-cluster> -optfile=<optfile of TSM-Node used for Backup the CIFS-Shares>
+    example: dsmc set netappsvm svm1 cluster1.contoso.com svm1 -optfile=svm1.opt
+    after that, the login credentials defined on the cDOT system must be defined on the TSM BAclient System responsable for the Backup too
+    dsmc set password -type=filer <fqdn of cluster mgmt, running the svm> <password> -optfile<optfile of the tsm-node used for the backup>
+    dsmc set password -type=filer <hostname of svm owning the volume> <password> -optfile<optfile of the tsm-node used for the backup>
+    example:
+    dsmc set password -type=filer cluster1.contoso.com snapdiff-user password -optfile=svm1.opt
+    dsmc set password -type=filer svm1 snapdiff-user password -optfile=svm1.opt
+    finally, you can try a backup with
+    net use w: \\svm1\share1 /persistent:no
+    and
+    dsmc i w: -snapdiff -snapdiffhttps -optfile=svm1.opt
+    the result should show something like this:
+    C:\Program Files\Tivoli\TSM\baclient>dsmc i w: -snapdiff -snapdiffhttps -optfile=svm1.opt
+    IBM Tivoli Storage Manager
+    Command Line Backup-Archive Client Interface
+      Client Version 7, Release 1, Level 4.2
+      Client date/time: 04/05/2016 18:50:32
+    (c) Copyright by IBM Corporation and other(s) 1990, 2015. All Rights Reserved.
+    Node Name: SVM1
+    Session established with server TSM-SERVER: Windows
+      Server Version 7, Release 1, Level 3.100
+      Server date/time: 04/16/2016 18:50:32  Last access: 04/16/2016 18:46:27
+    Incremental by snapshot difference of volume 'w:'
+    Connected to NetApp Storage Virtual Machine
+        Management Filer Host/IP Address : cluster1.contoso.com
+        Filer Version Information        : NetApp Release 8.3.2: Wed Feb 24 03:29:11 UTC 2016
+        Storage VM Name                  : svm1
+        Storage VM Host/IP Address       : svm1
+        Storage VM Volume Style          : Flex
+        Login User                       : snapdiff-user
+        Transport                        : HTTPS
+    Performing a Full Incremental Backup of volume  \\svm1\share1'
+    Creating Base Snapshot.
+    Using Base Snapshot 'TSM_CONT5703ECDC6AB08_SHARE1' with timestamp 04/16/2016 16:50:36
+    Directory-->                   0 \\svm1\share1\ [Sent]
+    ...
+    [Sent]
+    ...
+    Normal File-->            42,496
+    ANS2327I Creating Snapshot Differential Change Log.
+    Successful incremental backup of '\\svm1\share1'
+    Total number of objects inspected:       26,814
+    Total number of objects backed up:       26,814
+    Total number of objects updated:              0
+    Total number of objects rebound:              0
+    Total number of objects deleted:              0
+    Total number of objects expired:              0
+    Total number of objects failed:               0
+    Total number of objects encrypted:            0
+    Total number of subfile objects:              0
+    Total number of objects grew:                 0
+    Total number of retries:                      0
+    Total number of bytes inspected:          11.26 GB
+    Total number of bytes transferred:        11.27 GB
+    Data transfer time:                       38.75 sec
+    Network data transfer rate:          305,047.47 KB/sec
+    Aggregate data transfer rate:          6,261.52 KB/sec
+    Objects compressed by:                        0%
+    Total data reduction ratio:                0,00%
+    Subfile objects reduced by:                   0%
+    Elapsed processing time:               00:31:27

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