Wednesday, August 19, 2020

What is .sdd.sf file inside the root of ESXi VMFS volumes?

 All of you maybe see a file name like ".sdd.sf " in the ESXi root directory of each VMFS volume especially when you connect via SSH, and also you couldn't edit/delete it. But what's that file and what's the usage of this one exactly ?!

Based on information in the KB1001618 they are some system files that are resided in the root of any VMFS volumes as hidden files (start with a dot). So the abbreviation for the .sdd.sf file is:

.sdd = SCSI device description / .sf = system file

  To know about the other types of file:

 

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