On 07/18/2015 06:18 PM, Gerardo Exequiel Pozzi wrote: > Hello > > Guys, what do you think about switching to overlay filesystem by > default? This is already implemented around Jan 2015 of this year. > > Why?: > * It seems the most "natural" way. > * Low RAM usage if user wants do to some changes inside live-enviroment. > * No crazy crashes if zero-free-space is reached (some bbs/wiki talks > posts ask about this) > > There is at least two issues at boot time: > (1) /var/log/journal: Cannot set file attribute for '/var/log/journal', > value=0x00800000, mask=0x00800000: Inappropriate ioctl for device > (2) /etc/machine-id: Failed to unmount transient /etc/machine-id file in > our private namespace: Invalid argument > > (1) Does not care. > (2) Unsure about it. The file has an "id" after bootup, maybe the most > safe thing to do, is to generate machine-id at build time (or at > initramfs), instead of just placing an empty file and generate an "id" > at runtime (on switched-root). > > # hostnamectl > Static hostname: archiso > Icon name: computer-vm > Chassis: vm > Machine ID: b0e5ffa9728f421dacf4564936dce6e1 > Boot ID: 92e4f6a2202f49798cb0e4782e791daf > Virtualization: kvm > Operating System: Arch Linux > Kernel: Linux 4.1.2-2-ARCH > Architecture: x86-64 >
archiso-23 now uses by default overlayfs, there are no warnings anymore with newer systemd-226 and linux-4.2. Old mode can be used with "mkarchiso ... -s img prepare".
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