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4.22. mkinitrd

The mkinitrd utility creates file system images for use as initial ramdisk (initrd) images.
  • When using an encrypted device, the following error message may be reported during bootup: 
    insmod: error inserting '/lib/aes_generic.ko': -1 File exists
    This message can safely be ignored. (BZ#466296)
  • Installation using a Multiple Device (MD) RAID on top of multipath will result in a machine that cannot boot. Multipath to Storage Area Network (SAN) devices which provide RAID internally are not affected. (BZ#467469)
The following note applies to s390x Architectures:
  • When installing Red Hat Enterprise Linux 5.4, the following errors may be returned in install.log: 
    Installing kernel-2.6.18-158.el5.s390x
cp: cannot stat `/sbin/dmraid.static': No such file or directory
    This message can be safely ignored.
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