On 07/09/15 17:42, Pascal Hambourg wrote: > David Baron a écrit : >>> David Baron a écrit : >>>> Problem is that with that darned partitioning by the Debian installation, >>>> there is not enough room on /var to accomplish upgrade of such size. >>> >>> Too bad you did trust the Debian installer instead of using LVM and >>> leaving some space available for future needs. Worth thinking about for >>> your next installation. >>> >> What was presented for LVM did not look any better. > > Because you selected LVM in the assisted mode, which messes up sizes and > does not leave any free extents for future growth. You can still reduce > an oversized LV to free some extents but if the filesystem is ext2/3/4 > it cannot be reduced online so it must be unmounted first. Depending on > the mount point, it may require to switch to single user mode or boot > from a maintenance system.
Resize2fs is quite good at online resizing, not sure i'd do it on / but i have lvresize and resize2fs /home and others many times without issue. > Knowing this, I always select the manual mode to set up LVM and leave > free space in the VG. It's worth the extra work. When I later find out > that /var (or whatever) has become too small, I just use free extents in > the VG to grow the related LV and filesystem. Online. No reboot, no > maintenance system, no partition resizing or moving needed. This is why I now always use LVM, online resizing and much safer than resizing partitions.
