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  • Blog Post: What Did Storport Do With My I/O?

    In a previous article I showed how to track an I/O request from the filesystem, through the class driver, and to the storage driver.  In that article I concluded with " From this data we can usually assume that the request has been sent to the disk drive and we are waiting for the disk to respond"...
  • Blog Post: Where Did My Disk I/O Go?

    Hello, Mr. Ninja back again.   I recently discovered that although my team often tracks I/O from the file system through to the disk controller, we have never publicly documented the steps required to do this.   This seems like a great opportunity for a blog because most of the structures are...
  • Blog Post: LUN Discovery in a Nutshell

    The way the disk configuration is determined on a Windows system is by a process called “discovery”.   If the disk configuration is ISCSI or Fibre the process is very similar.   I will describe the process on each and you will see they are very similar.   To simplify things this blog will...
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