Merge pull request #93760 from lg-rh/abi_dasd_changes

[OCPBUGS-56706]IBM Z Changes  ABI DASD  update

Author: JoeAldinger

modules/installing-ocp-agent-ibm-z-kvm.adoc

@@ -72,6 +72,12 @@ $ virt-install
     --wait=-1
 ----
 <1> For the `--cdrom` parameter, specify the location of the ISO image on the local server, for example, `<path_to_image>/home/<image>.iso`.
++
+[NOTE]
+====
+For KVM-based installations using DASD devices on {ibm-z-title}, a partition (for example, `/dev/dasdb1`) must be created using the `fdasd` partitioning tool.
+====
++
 endif::pxe-boot[]
 
 . Optional: Enable FIPS mode.
@@ -103,6 +109,12 @@ $ virt-install \
    --extra-args "fips=1" \// <2>
    --osinfo detect=on,require=off
 ----
++
+[NOTE]
+====
+For KVM-based installations using DASD devices on {ibm-z-title}, a partition (for example, `/dev/dasdb1`) must be created using the `fdasd` partitioning tool.
+====
++
 <1> For the `--location` parameter, specify the location of the kernel/initrd on the HTTP or HTTPS server.
 <2> To enable FIPS mode, specify `fips=1`. This entry is required in addition to setting the `fips` parameter to `true` in the `install-config.yaml` file.
 +