EMC AX100i Release Notes - Page 10

Fixed problems Fixed problems This section identifies issues fixed in various releases. Visit the EMC Powerlink® Issue Tracker website at http://Powerlink.EMC.com for the most recent updates and information on previous AX100 Integrated Management Software releases. Hardware problems fixed in version 02.19.100.5.043 Problem AX100SC, AX100SCi, AX100, AX100i - Read cache is not enabled when the storage system enables the system write cache (135473). AX100SC, AX100SCi, AX100, AX100i - In very infrequent cases heavy I/O to the same LBA causes the front-end ports to hang (154617). AX100, AX100i - System Fault LED does not light when the UPS serial cable is disconnected (156802). AX100SC, AX100SCi - System Fault LED does not light when the wrong cache card (from another storage system) is installed in a storage system (156803). AX100SC, AX100SCi, AX100, AX100i - Sniff verify is disabled (163178). AX100SCi, AX100i - iSCSI cluster and congestion issues caused performance problems(159238 & 159278). Details Fixed in version: 02.19.100.5. 043 Solution: Storage system now consistently enables the read cache when it enables system cache. Fixed in version: 02.19.100.5. 043 Solution: Prevents overlapped I/O from reaching FLARE, which prevents the front-end ports from hanging. Fixed in version: 02.19.100.5. 043 Solution: Fixed the System Fault LED so that it will light when the UPS serial cable is not connected. Fixed in version: 02.19.100.5. 043 Solution: Fixed the System Fault LED to light when the wrong cache card is installed. Fixed in version: 02.19.100.5. 043 Solution: Sniff verify is now enabled. Fixed in version: 02.19.100.5. 043 Solution: Fixed iSCSI cluster and congestion issues. Hardware problems fixed in version 02.19.100.5.041 Problem AX100SC, AX100SCi - Heavy host I/O to the storage system causes a cache resource problem, which causes the storage system to panic. (142940). AX100SC, AX100SCi, AX100, AX100i - When Solaris clustered hosts attempt to trespass a double-faulted LUN, the storage system returns an event (reservation conflict) to the cluster that causes the storage system to panic (139699). Details Fixed in version: 02.19.100.5. 041 Solution: Optimized cache resource allocation to accommodate heavy I/O and prevent an SP panic. Fixed in version: 02.19.100.5. 041 Solution: FLARE now returns the proper error to the host when the condition described occurs. 10 EMC AX100-Series Integrated Management Software Release Notes