Which rdisk value in boot.ini maps to which disk?

Posted by MA1 on Super User See other posts from Super User or by MA1
Published on 2010-03-09T07:25:07Z Indexed on 2010/03/15 9:10 UTC
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Windows

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boot

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linux

Following are the contents of a sample boot.ini:

[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /NOEXECUTE=OPTIN /FASTDETECT
multi(0)disk(0)rdisk(0)partition(2)\WINNT="Windows 2000 Professional" /fastdetect
multi(0)disk(0)rdisk(1)partition(1)\WINDOWS="Microsoft Windows XP Home Edition" /NOEXECUTE=OPTIN /FASTDETECT

The rdisk value tells the physical disk number.

So, if I have three hard disks say:

/dev/sda
/dev/sdb
/dev/sdc

Then how to know which disk (/dev/sda or /dev/sdb or /dev/sdc) is rdisk(0) and which disk is rdisk(1), etc.?

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