In some instances, using non-standard iSCSI IQN naming can cause connecton problems. For example you may see an error similar to: (From Xen): Normal 0 false false false EN-US X-NONE X-NONE 'Error connecting, target not found, check user name and password.' Even...

In case you are interested on tunning options for your Infiniband interfaces you can perform following changes from the console:  - change infiniband mode from datagram to connected  - in DSS can be done as CTRL+ALT+W -> Infiniband tuning) - after changing to connected mode...

Disable Interrupt Remapping in ESXi 5.0 If you're running ESXi 5.0 and DSS V6 build 5845 (version: 6.0up90.8101.5845) and you are experiencing issues with iSCSI connections and drop outs for short periods of time and the following alert appears in the vmkernel/messages log files: ALERT: APIC:...

After re-arranging the LUNs to separate targets I can't have my datastore mounted correctly by VMware. Sulution: The problem is caused by UID's. When UID of discovered target doesn't match the actual UID VMware considers it as a shapshot. To solve this issue force mount the target by it's vmfs...

Symptom: My iSCSI targets report that I am having corruption Problem: With iSCSI you cannot have multiple connections to the same LUN, iSCSI Target works block based - not file based. Meaning that a changes made by one person is not seen by another person working on the same...

 If you experience a really long booting process of your VMware ESX 5.0 servers that are connected to the DSS V6 iSCSI targets, try to remove the VMKernel Port Bindings - see the images below. Please also make sure that in the iSCSI initiator properties you use is set to Static...

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...

If you are experiencing high latency or decreased transfer rates between iSCSI initiators and targets, try to tune with the MaxOutstandingR2T iSCSI parameter. A detailed explanations about how this parameter works can be found under the following link: ...

Symptom: Open-E storage cannot pass Windows cluster Validation test Problem: Errors when validating that storage supports the SCSI-3 Persistent Reservation commands The following errors appear on initiator site (Windows 2008 R2): Validating Cluster Disk 0 for Persistent Reservation...

Problem:  After update to DSS V6 build 4786 to build 5087with a Xen Citrix Server or VMware ESXi Servers the iSCSI Targets are not recognized by IET standard. Solution:  1. Power off the guest and/or Virtual Machines (Virtual Machine located on Open-E DSS IET iSCSI Target) and...