~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
squashfs-lzma-tools 4.0-2 is available via the grml repositories. It provides
-the mksquashfs-lzma and unsquashfs-lzma binaries and the package does NOT
-conflict with the squashfs-tools package (you can install both of them at the
-same time).
+the mksquashfs-lzma and unsquashfs-lzma binaries. The package does NOT conflict
+with Debian's squashfs-tools package (you can install both of them at the same
+time).
The packages can be downloaded from
link:http://deb.grml.org/pool/main/s/squashfs-lzma-tools/[http://deb.grml.org/pool/main/s/squashfs-lzma-tools/]
It provides support for the new squashfs file format version 4 and therefore
-requires kernel versions newer than 2.6.28-grml[64].
+requires kernel versions newer than 2.6.28-grml[64]. It supports LZMA as well as
+ZLIB compression. Just use the defaults for enabling LZMA or use grml-live's
+'-z' option if you want to use ZLIB instead.
* Kernel 2.6.23-grml[64]: does not work
* Kernel 2.6.26-grml[64]: does not work
* Kernel 2.6.28-grml[64]: does not work
* Kernel 2.6.31-grml[64]: works
+////////////////////////////////////////////////////////////////////////////////
+[IMPORTANT]
+
+Do NOT use a blocksize different than the default (131072 / 128kb). The kernel
+will very probably oops then - so please do not touch the '-b' option of
+mksquashfs.
+////////////////////////////////////////////////////////////////////////////////
+
[NOTE]
+
Please use squashfs-lzma-tools >=4.0-2 from Grml if you want to remaster any
grml release being MORE RECENT than 2009.05.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
squashfs-tools 1:4.0-1 is available in Debian/unstable and Debian/testing. It
-provides the mksquashfs and unsquashfs binaries and the package does NOT
-conflict with the squashfs-lzma-tools 4.0-1 package (you can install both of
+provides the mksquashfs and unsquashfs binaries. The package does NOT
+conflict with the squashfs-lzma-tools 4.0-2 package (you can install both of
them at the same time).
The packages can be downloaded from
requires kernel versions newer than 2.6.28-grml[64].
It does NOT support LZMA compression. If you need LZMA support please use
-squashfs-lzma-tools (see section above) instead.
+Grml's squashfs-lzma-tools (see section above) instead.
* Kernel 2.6.23-grml[64]: does not work
* Kernel 2.6.26-grml[64]: does not work
How much is the difference between LZMA and ZLIB compression?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-Note: LZMA sizes is work in progress.
-
-[width="40%",cols="3,^2,^2",options="header"]
-|==================================
-|ISO |LZMA |ZLIB
-|grml64_lenny |X |745M
-|grml64-medium_lenny |X |231M
-|grml64-medium_sid |X |245M
-|grml64-medium_squeeze |X |244M
-|grml64_sid |X |791M
-|grml64-small_lenny |X |116M
-|grml64-small_sid |X |120M
-|grml64-small_squeeze |X |120M
-|grml64_squeeze |X |785M
-|grml_lenny |X |723M
-|grml-medium_lenny |X |220M
-|grml-medium_sid |X |236M
-|grml-medium_squeeze |X |234M
-|grml_sid |X |771M
-|grml-small_lenny |X |112M
-|grml-small_sid |X |118M
-|grml-small_squeeze |X |117M
-|grml_squeeze |X |761M
-|==================================
+ISO size (bs = blocksize):
+
+[width="45%",cols="3,^2,^2,^2",options="header"]
+|============================================================
+|ISO |LZMA (256kB bs) |LZMA (128kB bs)|ZLIB
+|grml_sid |666M | WIP | 771M
+|grml_squeeze |659M | WIP | 761M
+|grml_lenny |624M | WIP | 723M
+|grml64_sid |677M | WIP | 791M
+|grml64_squeeze |671M | WIP | 785M
+|grml64_lenny |639M | WIP | 745M
+|grml-medium_sid |208M | WIP | 236M
+|grml-medium_squeeze |206M | WIP | 234M
+|grml-medium_lenny |193M | WIP | 220M
+|grml64-medium_sid |213M | WIP | 245M
+|grml64-medium_squeeze |213M | WIP | 244M
+|grml64-medium_lenny |201M | WIP | 231M
+|grml-small_sid |102M | WIP | 118M
+|grml-small_squeeze |101M | WIP | 117M
+|grml-small_lenny |97M | WIP | 112M
+|grml64-small_sid |103M | WIP | 120M
+|grml64-small_squeeze |103M | WIP | 120M
+|grml64-small_lenny |99M | WIP | 116M
+|============================================================
+
+Build time of grml-medium's squashfs file (depends on your system, though just
+to get the ratio between the different options):
+
+* 10 minutes and 4 seconds with LZMA default blocksize (128k)
+* 7 minutes 27 seconds with LZMA and blocksize 256k
+* 6 minutes and 8 seconds with LZMA blocksize 512k
+* 1 minute and 40 seconds with ZLIB
[[install-local-files]]
How to I install further files into the chroot/ISO?