I created a Debian Live for USB-HDD with the current make-live
make-live --bootstrap cdebootstrap -d lenny --username usblive
--filesystem
squashfs -b usb-hdd
My USB stick has a 2 partitions, one for the Debian live (vfat) and another
one labeled 'casper-rw' (ext2) for the the persistency. In an attempt to
reduce the write-cycles to the persistent /cow (mounted from the 'casper-rw
partition) I also tried to have this 2nd 'casper-rw' partition (/cow) mounted
with the '-o noatime' option. I changed the following files:
/usr/share/initramfs-tools/scripts/casper
Changed the line
mount ${cowdevice} -t ${cow_fstype} -o rw /cow || panic "Can not
mount
$cowdevice on /cow"
to
mount ${cowdevice} -t ${cow_fstype} -o rw,noatime /cow || panic "Can
not
mount $cowdevice on /cow"
Also changed the line
mount -t unionfs -o dirs=/cow=rw:$rofsstring unionfs "$rootmnt" ||
panic "Unionfs mount failed"
to
mount -t unionfs -o noatime,dirs=/cow=rw:$rofsstring unionfs
"$rootmnt" ||
panic "Unionfs mount failed"
However, it seems that it is not mounted with the 'noatime' option. How can I
accompish this?
J.Neuhoff
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