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Hello. Having an issue making Vserver root volume recover work with snapmirror in DP mode using make-vsroot on cdot 9.3 .
Its my inderstanding that once the the snapmirror relationship to the root volume is broken and you run make-vsroot against the DP volume that the DP volume becomes the Vservers root and all the volumes of that vserver will remount to the new volume.
From netapp documentation..
When the new volume is promoted as the Vserver root volume, the other data volumes get associated with the new Vserver root volume.
Thats not what happens though. when i make the DP volume the new root it does apear to become the new root but all the junction paths still point to the original as orphaned. i have to unmount and remount them all..
so after running make-vsroot against my dp volume it does become the new root..
luster1::*> volume show -volume vs1_root_dp -instance
Vserver Name: vs1 Volume Name: vs1_root_dp Aggregate Name: aggr1_node2 List of Aggregates for FlexGroup Constituents: aggr1_node2 Volume Size: 1GB Name Ordinal: base Volume Data Set ID: 1053 Volume Master Data Set ID: 2161074734 Volume State: online Volume Style: flex Extended Volume Style: flexvol Is Cluster-Mode Volume: true Is Constituent Volume: false Export Policy: default User ID: - Group ID: - Security Style: ntfs UNIX Permissions: ------------ Junction Path: / Junction Path Source: - Junction Active: true Junction Parent Volume: - Vserver Root Volume: true
But the volumes that were mounted dont move over to it and are inaccesable..
Thank you for the reply. Yes that is the behavior i am seeing. However according to this Netapp document on root server recovery there is no mention of having to unmount and remount. It leads to believe that follow these instructions and your recovered.
Not a very good way to recover if you a lot of mounted volumes. I did test the LS mirror recovery and it works as expected. Why I was told DP was the preferred protection method and why netapp configured our system this way is beyond me.