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2015-01-27[archiso] Add optional OverlayFS supportGerardo Exequiel Pozzi
This is the first attemp to test overlayfs in archiso. The current dm-snapshot mode is keep and is enabled by default, while the new mode is enabled via "-s sfs" to mkarchiso. No new boot parameters are added, since archiso hooks detects if the .sfs file is for dm-snapshot (airootfs.img inside) or for overlayfs. Persistence is supported in overlayfs mode using the same options (cowlabel or cowdevice), but warning while in dm-snapshot mode, only one file is used (airootfs.cow), in overlayfs mode internal files for workdir/ and upperdir/ are allocated, so you can not use VFAT or NTFS. To test this, you need to enable [testing] in pacman.conf from releng profile and edit build.sh then add "-s sfs" in make_prepare() Look at: setarch ${arch} mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" prepare Replace with: setarch ${arch} mkarchiso ${verbose} -w "${work_dir}" -s sfs -D "${install_dir}" prepare The build requires just half of space that the build for dm-snapshot, since there is no ext4 img ;) Just to remember: there is no space gain in .sfs (just about 2M) There is at least one thing during boot with machine-id service: Dec 24 03:31:39 archiso systemd-machine-id-commit[183]: Failed to unmount transient /etc/machine-id file in our private namespace: Invalid argument Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@gmail.com>
2015-01-02allow to change dm snapshot chunksizeChristian Hesse
Copying big amount of data results in bad performance as data is written in chunks of 4kiB (8 * 512 bytes). The default is not changed but can be overwritten. Signed-off-by: Christian Hesse <mail@eworm.de>
2015-01-02use consistent syntax for boot parameter processingChristian Hesse
Signed-off-by: Christian Hesse <mail@eworm.de>
2014-12-13[archiso] Merge cowspace_size= option in cowfile_size=Gerardo Exequiel Pozzi
Since now cowspace_size == cowfile_size (only one file inside) Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@gmail.com>
2014-10-13[archiso] Change cowfile_size= behaviorGerardo Exequiel Pozzi
Move from percent to explicit size and set a default of 256M (sparse) Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@gmail.com>
2014-08-12archiso_pxe_http: Fix location of airootfs.md5Lukas Fleischer
Currently, when booting via HTTP, the airootfs.md5 file is downloaded to /run/archiso/bootmnt/arch/. However, the checksum file is later assumed to be located at "/run/archiso/bootmnt/arch/${arch}". Fix the _curl_get invocation and directly place the file in the right directory. Fixes a regression introduced in commit b3e1d31 ([archiso] Rework checksum function, 2014-06-28). Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
2014-08-08Reintroduce the possibility to force an architectureLukas Fleischer
Among other things, 36459f3 ([archiso] Drop aitab support, 2014-06-28) removed the possibility to manually set a specific architecture by using kernel parameters. This, however, is useful, e.g. when installing Arch Linux on a device that reports itself as i586 but works fine with the i686 flavor. Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
2014-06-28[archiso] Rework checksum functionGerardo Exequiel Pozzi
2014-06-28[archiso] rename airootfs.fs.sfs to airootfs.sfsGerardo Exequiel Pozzi
* Make it ISO9660 friendly (extra dot "." is replaced by "_") * Was used when support both .fs.sfs and .sfs
2014-06-28[archiso] Drop aitab supportGerardo Exequiel Pozzi
Always create one filesystem of a fixed size (32G), format (ext4) and know name "airootfs". Simplify logic a lot.
2013-01-08[archiso] Avoid integer overflow when .fs is > 10.2GGerardo Exequiel Pozzi
2012-10-16[archiso] Allow set copytoram=n for NBD/NFSGerardo Exequiel Pozzi
On low memory systems installing via PXE is not possible. Do not force copytoram=y for NFS/NDB. Broken/hang things: * On shutdown. * On run-time if some network settings changed. Implements FS#32006. Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
2012-10-13[archiso] Introduce cowfile_size= bootparamGerardo Exequiel Pozzi
If not set, nothing is changed in current behaviour. Since dm-snapshot allows to use as "COW" a file with any size, without caring about the the size of "origin", we can avoid creating a "COW" file of the same size as the "origin". This is really useful, when using as cow_device= a filesystem that is VFAT where sparse files are not supported, so if root-image.fs is 1000M, passing cowfile_size=25% will create a root-image.cow of 250M instead of 1000M. Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
2012-10-06Use tmpfs for /etc/pacman.d/gnupg instead of a symlink to /runPierre Schmitz
This fixes FS#31815 Signed-off-by: Pierre Schmitz <pierre@archlinux.de>
2012-08-25[archiso] Rework Makefile / Reorder filesGerardo Exequiel Pozzi
Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>