Supported Scenarios
The goal of this document is to have a single source of information which scenarios are supported by yast2-bootloader.
bootloaders
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grub2
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grub2-efi
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only for UEFI boot
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only with GPT (see bug)
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none
Partition table
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requires bios_boot partition if stage1 will be on disk
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only s390x
storage configuration
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software RAID
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/boot cannot be on RAID unless it is RAID1
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cannot have stage1 on MD RAID1 ( so no /boot on RAID1 )
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LVM
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/boot cannot be encrypted (not bootloader limitation see bug)
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multipath
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Device mapper
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local hard disk (including USB/ieee1394)
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local (hardware) RAID array of any type
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BIOS-RAID (handled via DM-RAID or MD RAID)
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iSCSI server with persistent IP address / disk identification
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NFSv3,v4 share on server with fixed IP address
Architectures
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x86
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x86_64
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ppc64(le and be)
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only GRUB2
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there must be at least one PReP partition which size must not exceed 8MB (see fate)
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s390x
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/boot/zipl must be on ext fs ( unless upgraded from working zipl configuration )
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only GRUB2
Stage1 locations
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MBR of disk where is /boot
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MBR of identical disks in MD RAID if it contains /boot fate
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/boot
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extended partition
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/boot has to be on a logical partition