Power Flash Cache

The Power Flash Cache arrived 2017 and can be used directly with AIX or via the VIOS to allow Live Partition Mobility. Information links: KnowledgeCenter https://www.ibm.com/support/knowledgecenter/en/ssw_aix_72/devicemanagement/caching_storage_data.html cache_mgt https://www.ibm.com/support/knowledgecenter/en/ssw_aix_72/c_commands/cache_mgt.html IBM Systems Magazine https://ibmsystemsmag.com/Power-Systems/05/2017/flash-cache-aix-v7-2 https://ibmsystemsmag.com/Power-Systems/7/2017/flash-cache-aix-statistics Development team articles https://www.ibm.com/support/pages/flash-cache-setup-guide https://www.ibm.com/developerworks/aix/library/au-performance-flash-cache/index.html Power Flash Cache Best Practice (unofficial) https://www.ibm.com/support/pages/aix-7-ssdflash-cache-best-practice AIX direct One pool (with multiple disks) and one partition - I recommend you should make the partition the maximum size. Via the VIOS One pool (with multiple disks) and multiple partitions - one for each LPAR/virtual machine. Note: You can not have redundant caches for HA on a single AIX. Command Reminder cache_mgt device list cache_mgt pool create -d hdisk2 -p cmpool0 cache_mgt pool list -l cache_mgt partition create -p cmpool0 -s 300G -P cmpart0 cache_mgt partition list -l cache_mgt partition assign -t hdisk6 -P cmpart0 cache_mgt partition assign -t hdisk7 -P cmpart0 cache_mgt cache start -t all cache_mgt cache list Note: I have retired from IBM but I am still interesting is supporting and helping nmon and njmon users. Plus questions on AIX 7 and Power10 servers, Please use [email protected] from now on.