diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/README.bootparams | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/docs/README.bootparams b/docs/README.bootparams index 08198cb..c974755 100644 --- a/docs/README.bootparams +++ b/docs/README.bootparams @@ -31,27 +31,26 @@ INDEX and continue booting if ok. Default: (unset) * cow_label= Set the filesystem label where COW (dm-snapshot) - files must be stored. + file must be stored. Default: (unset) -* cow_device= Set the device node where COW (dm-snapshot) files +* cow_device= Set the device node where COW (dm-snapshot) file 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". +* cow_persistent= Set if snapshot is 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%" +* cowfile_size= Set the size for COW file (dm-snapshot). + The argument is an integer and optional unit. + Units are M,G (powers of 1024) or MB,GB (powers of 1000). + Default: "256M" * copytoram_size= Set the size of tmpfs. This space is used for - copy of all SquashFS images used, if copytoram=y. + airootfs.sfs image if copytoram=y. Size is in bytes (suffix with "k", "m" and "g") or in percentage of available RAM. Default: "75%" |