Within the last year or so we have hit some issues with an MDS bug and our Qlogic Fibre switches which are modules of the IBM Blade Chassis. During a SAN migration it was noted that the disk paths kept failing kind of randomly. Prior to discovering the MDS bug, we had hard-coded all fcs … Read more
As SMIT didn’t seem to be handling ‘inline log’ very well, I’ll do ’em by hand. 1) Create VG: mkvg -S -y VGNAME PV 2) Create LV: mklv -t FILESYSTEM TYPE -y LVNAME VGNAME PV 3) Create a File System with INLINE log: crfs -v FILESYSTEM TYPE -d LVNAME -m MOUNTPOINT DIRECTORY -a log=INLINE examples: … Read more
I encountered an interesting fact recently when attempting to backup a VIOS. The VIO is running off an old Power Series server which has a HMC. Apparently attempting to run the backupios command from within the VIO cli will fail with an error detailing that you don’t have the proper rights. Hence, here is a … Read more