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CONFIG_ROOT_NFS: Root file system on NFS

General informations

The Linux kernel configuration item CONFIG_ROOT_NFS has multiple definitions:

Root file system on NFS found in fs/Kconfig

The configuration item CONFIG_ROOT_NFS:

• prompt: Root file system on NFS
• type: bool
• depends on: CONFIG_NFS_FS = CONFIG_y && CONFIG_IP_PNP
• defined in fs/Kconfig
• found in Linux kernels: 2.6.0–2.6.28

Help text

If you want your Linux box to mount its whole root file system (the one containing the directory /) from some other computer over the net via NFS (presumably because your box doesn't have a hard disk), say Y. Read Documentation/nfsroot.txt for details. It is likely that in this case, you also want to say Y to "Kernel level IP autoconfiguration" so that your box can discover its network address at boot time.

Most people say N here.

Root file system on NFS found in fs/nfs/Kconfig

The configuration item CONFIG_ROOT_NFS:

• prompt: Root file system on NFS
• type: bool
• depends on: CONFIG_NFS_FS = CONFIG_y && CONFIG_IP_PNP
• defined in fs/nfs/Kconfig
• found in Linux kernels: 2.6.29–2.6.39, 3.0–3.9, 3.10-rc+HEAD

Help text

If you want your system to mount its root file system via NFS, choose Y here. This is common practice for managing systems without local permanent storage. For details, read Documentation/filesystems/nfs/nfsroot.txt.

Most people say N here.

Hardware

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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