Release Notes

Issue Description
SCOS-26905 A storage system that performs Deduplication might send SupportAssist information to Dell Technical
Support that cannot be properly processed.
SCOS-26753 A replacement drive might fail to initialize because of depleted Storage Center software resources.
SCOS-24830 A storage controller might reset while Data Progression performs a clean-up action on compressed
data.
SCOS-21900 Updating to Storage Center 6.7.5 might cause an increase in BadRegionsPresent health code errors
for drives.
SCOS-20142 A controller might reset when the settings of a new Fault Domain are modified.
SCOS-19766 A storage system might enter emergency mode if it is unable to create page pool devices due to CA
out of space errors.
SCOS-18185 A controller might reset when removing an enclosure or reinserting a previously archived or deleted
drives into the enclosure from which it was removed.
SCOS-16637 A storage system with Chelsio 10 Gb iSCSI HBAs might be unable to handle large I/O sizes.
Table 25. Fixed Storage Management Issues in Storage Center 7.1.4
Issue Description
SCOS-22591 The defragmentation attributes have been modified to reduce CPU usage that could impact server
I/O latency.
Table 26. Fixed Storage Management Issues in Storage Center 7.1.3
Issue Description
SCOS-21562 In Storage Center 7.1, manual and scheduled restripes are restricted to 12 hours per day.
SCOS-18899 A storage system might incorrectly report snapshot bad pages when the system is low on memory.
SCOS-20668 An SCv2000 series or SC4020 storage system might trigger alerts or reset because of high memory
utilization caused by memory fragmentation.
SCOS-18540 A controller revert might take several minutes to complete while deactivating the history of a large
volume (several TBs) if the storage system has space management snapshots.
Table 27. Fixed Storage Management Issue in Storage Center 7.1.2
Issue Description
SCOS-18932 Using Offloaded Data Transfer (ODX) in Hyper-V might result in degraded MPIO paths.
Table 28. Fixed Storage Management Issues in Storage Center 7.1.1
Issue Description
SCOS-17884 When deduplication is enabled, Data Progression might not complete successfully due to memory
allocation recovery issues.
SCOS-16576 In rare instances, a short timing window might occur during a RAID rebalance where inaccurate
pagepool information is read from the system resulting in volumes becoming inaccessible for a brief
period.
SCOS-15831 A controller reset might occur while modifying or deleting an iSCSI fault domain.
SCOS-15651 Data Progression failures might occur if Data Progression is running on a volume with snapshots that
expire at the same time.
SCOS-15239 After updating to Storage Center 7.0, Data Progression times might increase when compression or
deduplication is enabled.
SCOS-14111 Secondary storage deactivation process is not flushing prefetch pages.
SCOS-13724 A single controller storage system shows servers as partially connected when servers are connected
using Fibre Channel.
18 Dell Storage Center 7.1 Release Notes