On 18.3.2012 18:53, John R Pierce wrote: > On 03/18/12 10:34 AM, madunix@xxxxxxxxx wrote: >> I need to shrink /home(755G) to 150GB and use free space to add to the >> existing /(50G). >> #df -kh >> Filesystem Size Used Avail Use% Mounted on >> /dev/mapper/vg_web-lv_root 50G 7.8G 40G 17% / >> tmpfs 7.8G 384K 7.8G 1% /dev/shm >> /dev/sda2 485M 79M 381M 18% /boot >> /dev/sda1 200M 256K 200M 1% /boot/efi >> /dev/mapper/vg_web-lv_home755G 6.2G 711G 1% /home >> >> Need to have the step, can this be done online or need to go offline >> (umount) the file systems. > > IMHO, the only sane way to shrink a file system is to back it up to > other media, delete it, then recreate it at the new smaller size and > restore the backup. Thats a safe way to do it. Anyway, regardless of how the goal will be achieved, I agree that a restorable backup should exist. -- Kind Regards, Markus Falb
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