Release Notes

Issue Description

CQ00503244

CQ00501895

CQ00500072

CQ00493850

CQ00503237

CQ00502304

CQ00502267

CQ00502263

CQ00502250

After updating to Storage Center version 6.7.4, Data Progression, Data Compression, and

RAID Rebalance operations may stop working without warning.

CQ00499176 CT-SC040 controllers may issue event alerts and reset due to a system size memory allocation

issue.

Fixed Issues in Version 6.7.4

The following table summarizes the issues fixed in Storage Center 6.7.4.

Issue Description

CQ00500413 Volumes utilizing the Data Compression feature may become inaccessible.

Fixed Issues in Version 6.7.3

The following table summarizes the issues fixed in Storage Center 6.7.3.

Issue

Description

CQ00497501 For SC8000 and SC9000 controllers, Data Progression may experience latency due to

compression threads utilizing a single socket instead of using both available sockets.

CQ00495709 After upgrading a controller, performing a Storage Center software update may cause

performance issues due to improperly handled update file links.

CQ00495063 Phone Home may fail after updating from Storage Center versions 6.4 or 6.5 to Storage

Center version 6.6 and later due to previous, pending requests that are unable to complete.

CQ00491768 A controller may reset and failover may be unsuccessful due to an iSCSI IO cache card

memory leak with iSCSI attached Oracle and Linux servers.

CQ00491256 On rare occasions, Data Progression and subsequent rebalancing may fail due to snapshot full

page memory limitations.

CQ00489465 A volume restripe operation with large amounts of compressed data may take an extended

period of time to restripe due to Data Progression errors.

CQ00484347 For SC4020 controllers, an enclosure firmware update may fail due to missing electronically

stored information (ESI) paths during installation.

CQ00465226 When performing a non-service affecting upgrade, upgrading from a CHA3 cache card to a

4GB Write cache card may cause the upgrade to fail due to card installation errors.

CQ00395022 On rare occasions, when performing a non-service affecting upgrade, a controller may reset

due to duplicate or overlapping data writes.