I found an interesting antidote about AIX recently. I can safely say I was surprised. Here is the lo-down. On AIX System when you create a Logical Volume you can specify that you want the device subtype to be either zero-byte attribute or 4K byte attribute. This attribute is used by oracle to determine where … Read more
host01 Scan the bus for new devices, and add them into EMC PowerPath lspv > /tmp/lspv.1 ; emc_cfgmgr ; lspv > /tmp/lspv.2 powermt config ; lspv > /tmp/lspv.3 host01:~# diff /tmp/lspv.1 /tmp/lspv.3 |grep hdiskpower > hdiskpower15 none None > hdiskpower16 none None > hdiskpower17 none None > hdiskpower18 none None > hdiskpower19 none None > … Read more
Good day. Recently it was discovered that one of the AIX servers is having an issue with a multitude of powerpath devices. When issuing a lsdev |grep hdiskpower | wc -l I was surprised to see over 3000 finds. Upon looking at what was currently being used with lspv |grep power I noticed there was … Read more