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Auto Failover
How to setup gateway for Virtual IP (VIP) ?
Unfortunately DSS V6 doesn't give functionality to setup gateway for Virtual IP (VIP). To overide that you can setup static routing table in network setup on console tools. To do this please: 1. Go to console and push ALT+CTRL+N, 2. Choose "Routing" from the "Network...
rating 22 Dec, 2009 Views: 5022
Can't access my shares when NFS Failover is on.
Can't access my shares when NFS Failover is on. There are 3 things that you need to be aware of when using NFS Failover. First of all NFS Failover works only with NFS protocol and not with Samba. If you start the NFS Failover, the Samba access to all of your shares will be disabled. You...
rating 15 Mar, 2013 Views: 6389
Expanding iSCSI Volumes in failover configuration
Expanding a iSCSI Volume that is used in failover configuration and volume replication. This can be done in 6 easy steps. 1- Stop the Auto Failover service on the Primary and Secondary 2- Stop and Delete the Volume Replication Tasks on the Primary 3- Disable the Replication feature...
rating 07 Jul, 2011 Views: 2780
Loosing connection to iSCSI target during Failover
If you have Microsoft hosts connected to DSS V6 with iSCSI Failover configuration and you loose the connection to the iSCSI target during a Failover, please modify the MaxRequestHoldTime in the Windows registry MaxRequestHoldTime. This can be located in:...
rating 15 Mar, 2013 Views: 3705
How to move from Active-Passive to Active-Active mode
In order to migrate from Active-Passive failover to Active-Active you should perform following steps: Node "B" 1. First of all you have to apply activation key for Active- Active mode on both machines and reboot. 2. After your machines will boot again stop Failover : Setup -> Failover ->...
rating 08 Feb, 2013 Views: 2013
Starting cluster manually in "local" mode after failure of a node
There is a possibility to start cluster in a "local" mode, serving data from one working node exclusively. Once your DSS node-b [or node-a, for that matter] goes down, working node will automatically switch itself into "source" mode, changing its volumes state into "source" as well. Also. cluster...
rating 12 May, 2017 Views: 734
JovianDSS: Node reboot loop when removing ping node and ring access from a single node.
This is by design and is used as a node isolation mechanism. When the node has no access to second node (ring) and ping nodes it will reboot in loop until the ring returns. We have to use reboot mechanism because our kernel does not support shutdown. Attempt to join the node to the cluster is...
rating 29 Sep, 2015 Views: 1552
Is it possible to extend NAS LV with shares in Active-Active HA NFS cluster in production envionment without any downtime?
Unfortunately, this will cause NFS session/connection reset, as explained in the following NAS LV expanding procedure: Resizing NAS LV in NFS cluster will cause shares residing on the LV in question to be inaccessible for ~1-4s. Thus, we do recommend modifying NAS LV size during...
rating 16 Feb, 2018 Views: 369

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