Release Notes

Issue Description
SCOS-1392 When upgrading from a 3G SAS I/O card to a 6G SAS I/O card using the hardware change wizard,
the new I/O card is displayed in slot 100x, where x is the slot number.
Table 34. Fixed Storage Management Issues in Storage Center 7.2.10
Issue Description
SCOS-40999 Metadata on inconsistent RAID mirrors/stripes might cause Data Progression failures and lead to
inefficient system space usage and performance degradation.
SCOS-40856 A controller might reset if the iSCSI initiator is redirected to an IPv4 address of 0.0.0.0.
SCOS-40725 A controller might reset when updating statistics for page moves between classes if the source page
is on a device marked for deletion.
SCOS-40677 When setting up an SC7020 storage system using Storage Manager, the "Launch Initial
Configuration" link might be redisplayed after clicking finish in the initial setup wizard.
SCOS-40529 A controller reset might occur if there are a large number of metadata space allocation requests at the
same time for a volume.
SCOS-40491 SNMP management queries might fail to function properly on storage systems running Storage
Center 7.1.
SCOS-37561 A controller might reset unexpectedly under certain rare timing conditions.
SCOS-40094 Storage Center might delay Data Progression/restripe activity to unacceptable levels if there are
other higher priority background processes.
SCOS-37719 A controller might reset after updating to Storage Center 7.1.3, 7.1.4, or 7.1.5. because of an issue with
memory fragmentation.
SCOS-36475 A storage system might encounter high CPU usage during page validation stage of Data Progression.
This issue is limited to pages consumed from the storage type.
SCOS-36534 Storage Center is unable to create more than a single spare drive on an SC280 enclosure if an SC220
and SC280 were connected to the storage system during the initial system configuration.
SCOS-36336 A controller might reset when the lock associated with a particular message type cannot be found.
Due to variable timing conditions within the platform, messages can arrive out of order.
SCOS-36319 On storage systems that only have spinning drives and have large volumes with a large number of
new page writes, existing snapshots take a very long to expire.
SCOS-35648 Removing a port from a fault domain while a controller is down might result in storage system
configuration issues.
SCOS-32925 In rare instances, a storage system might experience performance degradations due to a mismatch in
a virtualization threshold value.
SCOS-31707 Importing multiple volumes from an external device using Thin Import causes the volumes to appear as
external devices with the following error:
illegal character found for Attribute: Name [Illegal Chracters: [<, >,
&] ]]
SCOS-18247 Drives in the archived disk folder might count against the total number of managed drives in the
storage system.
SCOS-4797 If QoS limiting is not enabled, system latency might increase when writing to volumes using RAID 5 or
RAID 6.
Table 35. Fixed Storage Management Issues in Storage Center 7.2.1
Issue Description
SCOS-21562 In Storage Center 7.1, manual and scheduled restripes are restricted to 12 hours per day.
SCOS-21399 A controller might reset during cross-platform replication initialization with a PS Series array.
SCOS-20142 A controller might reset when the settings of a new Fault Domain are modified.
SCOS-18899 A storage system might incorrectly report snapshot bad pages when the system is low on memory.
18 Dell Storage Center 7.2 Release Notes