Release Notes

Issue Description
Workaround: Update the QLogic firmware on the adapter. The QLogic firmware is available at http://
www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=6RGDW
SQAI-2 An ESXi 5.5 or 6.0 host with an Emulex FC/FCoE HBA running driver version 11.0.x.x might crash
during a controller failover.
Workaround: Update to the latest Dell custom images of ESXi 5.5, 6.0, or 6.5.
SCOS-27133 Server bandwidth to the onboard 10 Gb Ethernet ports on an SC7020 drops significantly on reads
when the server iSCSI initiator has interrupt moderation set to default (enabled).
Workaround: From the server, disable interrupt moderation on the iSCSI cards as described in Dell
EMC SC Series Storage: Microsoft Multipath I/O Best Practices.
SCOS-18123 Fibre Channel volumes that are mapped to a Hyper-V virtual machine using NPIV are not discovered
by the virtual machine when the server has a QLogic HBA with out-of-date drivers.
Workaround: Update the HBA to the latest version of the QLogic driver listed in the Dell Storage
Compatibility Matrix.
SCOS-10166 Emulex FC and FCoE driver version 10.7.170.0 might cause an ESXi 5.5 or 6.0 host to fail during
controller failovers.
Workaround: Use the latest recommended driver version for the Emulex adapters. See the Dell
Storage Compatibility Matrix.
CQ00358236 ESXi 5.x hosts with QxE82xx iSCSI adapters using QLA4xxx driver version 634.5.18 (ESXi 5.1) or
6.34.55.20 (ESXi 5.5) might fail to log in to the Storage Center after a controller reset or failover.
Workaround: Use the latest recommended driver version for the QLogic adapters. See the Dell
Storage Compatibility Matrix.
CQ00252780 On a storage system with iSCSI front-end ports, if a controller or port is in a failover process when a
Windows boot from SAN is requested, the boot might fail.
Workaround: Subsequent boot from SAN requests succeed when the controller or port is up.
Storage Center Update Information
Contact technical support to determine the Storage Center software version that is required to update to Storage Center 7.2.
NOTE:
When updating both the Storage Center and Storage Manager software, update the Storage Manager software before
updating the Storage Center software. A storage system that is running a newer version of the Storage Center software cannot
be managed by an older version of Storage Manager software.
Support Resources
The following section provides resources for finding more information on using a Storage Center storage system.
Related Documentation
The following documents are available for a storage system running Storage Center 7.2.
Dell Storage Center Software Update Guide
Describes how to update Storage Center software from an earlier version to the current version.
Dell Storage Center Update Utility Administrator’s Guide
Describes how to use the Storage Center Update Utility to install Storage Center software updates. Updating Storage Center
software using the Storage Center Update Utility is intended for use only by sites that cannot update Storage Center using standard
methods.
Dell Storage Manager Installation Guide
Provides installation and setup instructions.
Dell Storage Manager Administrator’s Guide
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Dell Storage Center 7.2 Release Notes