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Volume Replication
[DSS V7] How can I properly expand a NAS or iSCSI volume in a clustered environment?
Question: NAS share has become too small, currently it has 15TB, needs to be expanded to 25TB. Customer has 59TB of available / unused space. Is it possible to increase a volume during operation? Or does a new volume have to be created and share assigned to it? Answer:   There is no need...
rating 30 Nov, 2016 Views: 927
Volume replication Error: 28
Problem: I cannot establish the Volume Replication to the new server. I always get this error:   Task type: Volume replication. Task name: Repl00.Status:                    Error 28: Logical volume on...
rating 14 Sep, 2015 Views: 1145
Data access is slower after starting Volume Replication task.
Volume replication is a synchronous process. While read is independent of link between two nodes, write operation is considered done only when it is confirmed on both nodes. It is very important, than both machines have similar capabilities in terms of storage speed, and fast enough network...
rating 05 Aug, 2015 Views: 1857
What does "Error 28" mean?
If you are getting following error: "Error 28: Logical volume on mirror server is already configured to replicate with another logical volume on remote host." probably you have wrong configuration of your replication tasks. Please investigate all of your tasks and check if they are adjusted to...
rating 15 Mar, 2013 Views: 1193
How can I enable "Replication" option for already created volumes?
Problem: I created iSCSI volume on my DSS server and I didn’t chose the "replication" option when creating the volumes. Now, I want to replicate those volumes to a destination server, but the replication document on the site show the procedure for newly created volumes only....
rating 08 Aug, 2012 Views: 3345
Memory requirements for replication in latest version of DSS V6
Volume replication and memory requirements   Latest versions of DSS V6 will support up to 16TB volumes in replication and as such, this amount of storage will require more memory since the system now checks how much memory is left for system usage.   The...
rating 16 Nov, 2011 Views: 1895
Cannot see destination Volume
Symptom:  I am trying to create volume replication and I cannot see the destination volume. Problem: I have my primary volume volume selected and checked as source and my secondary volume selected as destination and do not know what is wrong. Solution: A few things to check are as...
rating 01 Apr, 2011 Views: 3249
I cannot see the NFS Storage Repository after enabling volume replication for the NAS logical volume in the Citrix XEN.
Symptom: The Citrix XEN cannot see the NFS Storage Repository after enabling volume replication for the NAS logical volume. Problem: This seems to be a related to the Citrix XEN. Solution: Before enabling volume replication for the NAS logical, please do the following steps: 1) Detach...
rating 02 Feb, 2011 Views: 2986
Why my Volume replication or Failover doesn't work in case of NIS authentication?
Symptom: When DSS is connected to NIS server the volume replication fails to configure and start. While configuring the replication the destination volumes are not listed on the GUI. Problem: Problem is related to NIS users - some system users can be doubled or replaced by...
rating 12 Aug, 2009 Views: 2981
What DUnknown replication status mean?
Problem: The Replication Connection States regarding Asynchronous Replication and receiving the messages "DUnknown". What does it mean?   Solution: This message is ok and the messages you are receiving are not an issue. The reason is you are using asynchronous replication - which...
rating 29 Jul, 2009 Views: 2900

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