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diff --git a/docs/README.bootparams b/docs/README.bootparams new file mode 100644 index 0000000..13e1ead --- /dev/null +++ b/docs/README.bootparams @@ -0,0 +1,127 @@ +INDEX +----- + +* Boot parameters (initramfs stage) + * hooks/archiso + * hooks/archiso_pxe_common + * hooks/archiso_pxe_nbd + * hooks/archiso_pxe_http + * hooks/archiso_pxe_nfs + * hooks/archiso_loop_mnt + + + +*** Boot parameters (initramfs stage) + +** hooks/archiso + +* archisolabel= Set the filesystem label where archiso files reside. + Default: (unset) +* archisodevice= Set the device node where archiso medium is located. + Default: "/dev/disk/by-label/${archisolabel}" +* archisobasedir= Set the base directory where all files reside. + Default: "arch" +* aitab= Set the path for "aitab" file. + Default: ${archisobasedir}/aitab +* copytoram= If set to "y" or just "copytoram" without arguments, + all SquashFS are copied to "RAM". + Default: (unset) +* checksum= If set to "y" or just "checksum" without arguments, + performs a self-test of all files inside ${install_dir}, + and continue booting if ok. + Default: (unset) +* cow_label= Set the filesystem label where COW (dm-snapshot) + files must be stored. + Default: (unset) +* cow_device= Set the device node where COW (dm-snapshot) files + must be stored. + Default: (unset) or "/dev/disk/by-label/${cow_label}" +* cow_directory= Set a directory inside ${cow_device}. + Default: "/persistent_${archisolabel}/${arch}" +* cow_persistent= Set if snapshots are persistent "P" or non-persistent "N". + Default: "N" (if no ${cow_device} is used) otherwise "P". +* cowspace_size= Set the size of tmpfs /cowspace. This space is used for + Copy-On-Write files of dm-snapshot. + Size is in bytes (suffix with "k", "m" and "g") or + in percentage of available RAM. + Default: "75%" +* cowfile_size= Set the size for all files to be used as COW (dm-snapshot), + in percentage of the ro-device.fs file. This is mostly useful + when cow_device= is used and filesystem does not support + sparse files (ie VFAT). + Default: "100%" +* copytoram_size= Set the size of tmpfs. This space is used for + copy of all SquashFS images used, if copytoram=y. + Size is in bytes (suffix with "k", "m" and "g") or + in percentage of available RAM. + Default: "75%" +* dm_snap_prefix= Set a prefix for device-mapper snapshot node names. + Default: "arch" +* arch= Force an architecture type (i686 | x86_64). + Do not set it for normal operations. + Useful for running a 64 bit kernel / 32 bit userspace. + Default: (architecture of running kernel) + + +** hooks/archiso_pxe_common + +* ip= This parameter is setup automatically by PXELINUX + when option "IPAPPEND" is set to 1 or 2 in config. + ip=<client-ip>:<boot-server-ip>:<gw-ip>:<netmask> + Default: (set via PXE server) +* BOOTIF= This parameter is setup automatically by PXELINUX + when option "IPAPPEND" is set to 2 or 3 in config. + BOOTIF=<hardware-address-of-boot-interface> + Default: (set via PXELINUX) +* copy_resolvconf= Copy /etc/resolv.conf from initramfs to live-enviroment. + Set to "n" to skip them. + Default: "y" + + +** hooks/archiso_pxe_nbd + +* archiso_nbd_name= Set NBD export name used by the server. + Default: archiso +* archiso_nbd_srv= Set an IP address where NBD reside. + If ${pxeserver} is used, PXE IP will be used. + Default: (unset) + + +** hooks/archiso_pxe_http + +* archiso_http_srv= Set an HTTP URL (must end with /) where ${archisobasedir} + is found with all *.sfs files. + In the IP/domain part if ${pxeserver} is used, use PXE IP. + Default: (unset) +* archiso_http_spc= Set the size of tmpfs where *.sfs files are downloaded. + Default: "75%" + + +** hooks/archiso_pxe_nfs + +* archiso_nfs_srv= Set the NFS-IP:/path of the server + In the IP part if ${pxeserver} is used, PXE IP will be used. + Default: (unset) +* archiso_nfs_opt= Set NFS mount options separated by comma. + Default: (unset, see below) + These are the implicit options: + port = as given by server portmap daemon + rsize = 1024 + wsize = 1024 + timeo = 7 + retrans = 3 + acregmin = 3 + acregmax = 60 + acdirmin = 30 + acdirmax = 60 + flags = hard, nointr, noposix, cto, ac + + +** hooks/archiso_loop_mnt + +* img_label= Set the filesystem label where archiso-image.iso. + Default: (unset) +* img_dev= Device where archiso-image.iso reside. + Default: (unset) or "/dev/disk/by-label/${img_label}" +* img_loop= Full path where archiso-image.iso is located on ${img_dev} + Default: (unset) |