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8.1. boot parametersSCSI drivers that are built into the kernel are checked in a pre-determined order to see if HBAs that they can control are present. The user has no control over this order which in most cases is arbitrary but in the case of some older ISA adapters is required to stop misidentification [1] .
The recently introduced devfs defines a "scsihosts" boot time parameter to give the user some control over this. See the devfs documentation [ref: W5] for a description. The host names given in the list to the "scsihosts" boot option are the names of lower level drivers (e.g. "scsihosts=advansys:imm::ide-scsi"). Devfs does not need to be present for "scsihosts" to be used. The "scsihosts" parameter, if given, is echoed during in the boot up messages. For example:
A full list of kernel parameters with some explanations can be found in the file /usr/src/linux/Documentation/kernel-parameters.txt. Notes
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