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Issue 23: DF532055: From Windows Server 2008 R2 SP1, when an administrator manages Red Hat
Enterprise Linux 6.1 (64-bit) or 5.7 (32 and 64-bit) operating systems, Server Administrator reports
connection error intermittently.
Workaround: Perform the following settings and manage the remote system from webserver.
1. Configure TCP Chimney offload to disable state by running following command:
netsh int tcp set global chimney=disabled
2. Configure RSS (Receive Side Scaling) to disable state by running following command:
netsh int tcp set global rss=disabled
3. Configure NetDMA to disable state by running following command:
netsh int tcp set global NetDMA=disabled
Known Limitations and Workarounds for Storage Management Service
Issue 1: DF529750: Inconsistent reporting between iDRAC7 and Storage Management regarding HBA
adapter batteries.
Description: “Battery Status reported by Storage Management is inconsistent with the one reported by
iDRAC7 interfaces (for example: iDRAC7 Web interface, RACADM and so on) for PERC 8 controllers when a
Learn Cycle is in progress.
Storage Management reports the Battery status as Warning while iDRAC7 interfaces report the Battery
status as ‘ok’.”
Workaround: Warning status is transient and does not warrant any action by the user. Battery status
changes to ‘ok’ once the Learn cycle is complete
Recommendation: Ignore the warning
Issue 2: View slot occupancy report shows 4 HDD slots on backplanes with just two HDD slots for any server.
Issue 3: Physical disk clear operation is not available on PERC 8 family of controllers.
Issue 4: DF489665: Max Config: OM on ESXi 4.1 U2 Experiences Timeouts and very poor performance.
Description: When using ESXi with a large number of directly attached disk drives, delays or timeouts in
OpenManage Storage Manager may be encountered during VD creation. PowerEdge servers support up to
two RAID controllers. Each array controller supports up to eight MD1200/1220 enclosures. In the case of
Server Administrator 7.0 and earlier versions with ESXi, max direct attach storage configs will timeout
during VD creation. To create a VD using ESXi it could take up to 12 minutes to successfully build the XML
output for up to 200 drives. If more than 200 drives exist in the direct attach enclosures you may encounter
a timeout error during VD creation. "The action performed has failed."