HDa vs HDb: Difference in Pin Settings & File System

  • Thread starter Thread starter Shawnzyoo
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SUMMARY

The discussion clarifies the naming convention used by Linux for IDE drives, specifically the designations hda and hdb. The drive labeled hda is recognized as the primary master, while hdb is identified as the primary slave. The change in labeling occurs due to the pin settings on the hard drive, which directly influence how the operating system recognizes and assigns names to the drives. This is not a coincidence; the file system utilizes these pin settings to determine the hierarchy of the drives.

PREREQUISITES
  • Understanding of Linux file systems
  • Knowledge of IDE drive configurations
  • Familiarity with master/slave pin settings
  • Basic Linux command line usage
NEXT STEPS
  • Research Linux IDE drive naming conventions
  • Learn about configuring master/slave settings on IDE drives
  • Explore the implications of drive hierarchy on performance
  • Investigate modern alternatives to IDE drives, such as SATA
USEFUL FOR

This discussion is beneficial for system administrators, hardware technicians, and Linux enthusiasts who are configuring or troubleshooting IDE drives in Linux environments.

Shawnzyoo
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So I got into an argument with a buddy over the following:
I originally inserted a hard drive into my system and it was labeled hda, what i hadn't notice was that it was on the master pin setting
now when i switched the pin to the slave setting and rebooted it showed it as hdb
are the two related? or completely unrelated and just a coincedence?
how does the file system see the different pin selections (if it sees it at all)?
Thanks
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Computer science news on Phys.org
There is nothing wrong there. This is a naming convention that linux uses to assign labels to IDE drives.

hda primary master
hdb primary slave
hdc secondary master
hdd secondary slave
 

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