> Can kickstart in Red Hat be configured to partition one set of drives
> for basic OS image, leaving another set of Linux partitions untouched?
>
> Scenario:
> - you have an external disk farm (say, 10TB)
> - attached to disk farm is a server where internal disks contain just
> the OS
> - you need to rebuild the server -- only the OS image on the server, not
> touching the external disk farm
>
> Currently, we have a kickstart procedure which will lay down the file
> system on everything -- internal OS drives, and external disk farm.
> This is a "totally from scratch" rebuild procedure.
>
> Now we want a kickstart procedure to rebuild just the server; could be
> for any number of reasons: replacement w/ new server (following hw
> failure, for hw upgrade), or restoring to a known good source following
> an intrusion or corruption (restore onto same system).
>
> But we cannot seem to limit the disk partitioning to just the internal
> drives.
> "clearpart --linux" touches the disk farm
> "clearpart --none" would not cleanse what currently exists on the disk
>
> We tried an option of the device ("clearpart --linux device") to no
> avail -- it cleaned everything.
>
> Is there some method with kickstart to limit to just the OS disks,
> leaving the external disks untouched without having to uncable or power
> off anything?
> We do not want to have to power down the disk farm or disconnect it from
> the server to do an OS rebuild -- this method seems much too prone to
> error, too great a likelihood that an OS procedure with "clearpart
> --linux" and manual instruction to disconnect before initiating
> kickstart would result in a wiped clean disk farm (and days reading from
> tape)
See if any of this helps. I know it is for RH7.2, but I doubt KS has changed
that much:
clearpart — Removing Partitions Based On Partition Type
clearpart (optional)
Removes partitions from the system, prior to creation of new partitions. By
default, no partitions are removed.
--linux
Erases all Linux partitions.
--all
Erases all partitions from the system.
--drives [1]
Specifies which drives to clear partitions from.
--initlabel [1]
Initializes the disk label to the default for your architecture (msdos
for x86 and gpt for Itanium). It is useful so that the installation program does
not ask if it should initialize the disk label if installing to a brand new hard
drive.
http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/custom-guide/s1-kickstart2-options.html#S2-KICKSTART2-CLEARPART
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