Release Notes

Table 11. Fixed Hardware Issues in Storage Center 7.4.10

Issue Description

SCOS-59862 A storage system with SEDs might fail to initialize after a complete system power cycle.

SCOS-59486 A controller with an MVLAN fault domain and iSCSI QRQ ports might fail to boot because of

an issue with iSCSI QRQ port logic.

SCOS-59111 The iSCSI QRQ interfaces on SCv3000 series and SC5020 storage systems might reset

repeatedly after updating to Storage Center 7.4.2.

SCOS-58697 A controller might reset because of resource contention issues with Chelsio iSCSI HBAs.

SCOS-54645 A link up failure might occur when a Chelsio T5 or T6 iSCSI HBA is connected to a Dell

Networking switch.

Table 12. Fixed Hardware Issues in Storage Center 7.4.2

Issue Description

SCOS-56774 On storage systems that use Chelsio T3 iSCSI HBAs with port two enabled, the HBA might

send TCP Reset commands to remote initiators on the wrong port.

SCOS-56549 If self-encrypting drives (SEDs) are being managed while the Parent Folder is being changed

from Unsecured to Secured, Storage Center might perform a Crypto Erase the SEDs.

SCOS-56536 Read errors might occur if Storage Center attempts to read data from a T10-PI drive after a

Crypto Erase has been performed, but before Storage Center initializes the drive.

SCOS-55569 On storage systems that use Chelsio iSCSI HBAs with the T420 driver, the 768 MB limit of SG

Payload pool size was increased to 1 GB to prevent iSCSI connection timeouts.

SCOS-55572 On storage systems that use Chelsio T3 iSCSI HBAs, connectivity issues might occur if the

iSCSI driver memory allocations exceed a pre-defined threshold.

SCOS-52053 A Storage Center that is in distributed spare mode might select the wrong disk spare for

SC460 or SCv360 expansion enclosures.

SCOS-49124 Intermittent erroneous battery failures might occur on SC4020 and SCv2000 series storage

systems because of an issue with the BMC firmware.

Fixed Issues Related to Licensing, SupportAssist, and Updating

The following issues are fixed in Storage Center 7.4:

Table 13. Fixed Licensing, SupportAssist, and Updating Issues in Storage Center 7.4.21

Issue Description

SCOS-61862 If the iDRAC login credentials have been changed on an SC5020 or SC5020F storage system

that is running Storage Center 7.4.20 or being updated to Storage Center 7.4.20, the storage

system controllers might fail to boot.

Table 14. Fixed Licensing, SupportAssist, and Updating Issues in Storage Center 7.4.20

Issue Description

SCOS-59083 During a Storage Center software update, the lead controller reboots and sends a Drive Self

Test (DST) command to multiple drives. The DST command might cause some drives to go

down on the peer controller, which is now the lead controller.

SCOS-58699 If a storage system is updated from Storage Center version 6.4.x or earlier to Storage Center

version 7.3.1 or later, a problem with the system metadata might impact host I/Os.

Table 15. Fixed Licensing, SupportAssist, and Updating Issues in Storage Center 7.4.2

Issue Description

SCOS-54886 Storage Center might stop sending SupportAssist diagnostic data to CloudIQ if the Phone

Home Daemon enters a recursive loop.