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What's behind the Linux disk naming convention with sdX and hdX?

Fresh3 days ago
Mar 15, 20265381 views
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Problem

Can someone tell me what's behind the hdX and sdX naming convention for hard disks under Linux? I understand it's a "convention" but what does that mean? Does that mean, for example, that a SCSI drive must be called sdX or it won't work? The background is that I'm mucking around with a custom linux…

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Fix for: What's behind the Linux disk naming convention with sdX and hdX?

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The kernel deals with two types of drives: IDE drives, like old hard drives and many CD/DVD drives -- these use the name hd$x SCSI drives -- these use the name sd$x SATA, SAS, and USB drives all use the SCSI subsystem because it has certain advantag…

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