- Note – Don’t run these commands on your production system as you can easily corrupt your data
- In ASM versions 184.108.40.206 and later, the ASM disk header block is backed up in the second last ASM metadata block in the allocation unit 1.
- aun – Allocation Unit (AU) number to read from. Default is AU0, or the very beginning of the ASM disk.
- aus – AU size. Default is 1048576 (1MB). Specify the aus when reading from a disk group with non-default AU size.
- blkn – block number to read. Default is block 0, or the very first block of the AU.
- dev – ASM disk or device name. Note that the keyword dev can be omitted, but the ASM disk name is mandatory.
4 thoughts on “Using kfed/dd to repair ASM disk header corruption”
Howdy fantastic blog! Does running a blog such as this take a great deal of work? I have absolutely no knowledge of programming but I was hoping to start my own blog in the near future. Anyways, should you have any ideas or tips for new blog owners please share. I understand this is off topic nevertheless I simply had to ask. Kudos!
Ok- you need some time to understand the basic of blogging.
Having some understanding of CSS, PHP would be helpfull too.
But Workpress ( I’m using 4.1 ) should help you to start quickly.
If you use my menu MISC -> Workpress Details
you can find out my styles.css changes done compared to the original Twenty Twelve Theme