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-rw-r--r--docs/README.bootparams17
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%"