Asm

To keep a list of my ASM posts.

• ASM Rebalance: Why is the avg By/Read equal to 1MB while the allocation unit is 4MB?
• A closer look at ASM rebalance, Part III: Disks have been added and dropped (at the same time)
• A closer look at ASM rebalance, Part II: Disks have been dropped
• A closer look at ASM rebalance, Part I: Disks have been added
• Are ASM rebalance and preferred read working together?
• Simulate and Visualize the impact of the ASM preferred feature on the read IOPS and throughput
• ASM performance metrics visualization: Use cases
• Graphing ASM performance metrics
• ASM free and usable space in case of Imbalanced Diskgroup
• ASM metrics are a gold mine. Welcome to asm_metrics.pl, a new utility to extract and to manipulate them in real time
• Find out the most physical IO consumers through ASM in real time
• Flex ASM 12c (12.1): be careful to “invisible” I/O !
• ASM I/O Statistics Utility V2
• Flex ASM 12c (12.1) and Extended Rac: be careful to “unpreferred” read !
• Build your own Flex ASM 12c lab using Virtual Box
• ASM Preferred Read: Collect performance metrics thanks to my amsiostat utility and SLOB 2
• ASM Asynchronous or Synchronous I/O
• ASM I/O Statistics Utility
• ASM Preferred Read: Collect performance metrics
• ASM I/O Statistics Utility: Update for Exadata