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Deploying local portions of the master image

For some machines, having all or part of the root filesystem reside on a local disk may be desirable. This is accomplished by using the DEPLOYMOUNT and DEPLOYSWAP directives in combination with the mk-diskful script. These directives cause oneSIS to create partitions and copy portions of the root filesystem to one or more local disks on a machine.

If a BOOTLOADER directive is defined for a node, and the /boot directory is deployed on a local disk, the specified bootloader will be installed.

As a convenience, when deploying local partitions, oneSIS creates some links on the local disk to abstract out the actual device names of the boot device and the root device.

/dev/oneSIS-boot is created, which points to the actual boot device.
/dev/oneSIS-root is created, which points to the actual root device.

These links can be used when configuring lilo or grub so that the same configuration can be used for all diskful nodes of a heterogeneous cluster without needing to specify the actual device name of the boot or root device.


next up previous contents
Next: DEPLOY* syntax Up: Management of local disks Previous: DISK* syntax   Contents
root 2005-06-19