On 10/25/07, Terry Polzin <foxec208@xxxxxxxxxx> wrote: > On Thursday October 25 2007, yonas Abraham wrote: > > On 10/25/07, Dave Burns <tburns@xxxxxxxxxx> wrote: > > > lvresize preparation - how 'ensure filesystem shrunk'? > > > > > > >From the man page: > > > > > > lvresize - resize a logical volume > > > > > > SYNOPSIS[bla bla] > > > > > > DESCRIPTION > > > lvresize allows you to resize a logical volume. Be careful when > > > reduc- ing a logical volume's size, because data in the reduced > > > part is lost!!! You should therefore ensure that any filesystem on the > > > volume is shrunk first so that the extents that are to be removed are > > > not in use. > > > > > > so how do I do that? resize2fs > > > > for ext3, you are right, > > > > resize2fs followed by lvresize. > > > > I like the syetem-config-lvm for this issue actually. I have used it > > for a live ext3 systems and it worked flawlessly. > > > > But first BackUP your staff if you have very important stuff. > > > > /yonas > Actually, you've got the order of the commands jacked. > > Perform the resize operation on the LV before the FS I am quit sure that you have to shirk the FS first before you shirink the LV. doing the otherway round can lead to lose of data. Read the lvresize man page to be sure " You should therefore ensure that any filesystem on the volume is shrunk first so that the extents that are to be removed are not in use." To avoid this confusion I like the system-config-lvm GUI. It does all for you in the correct order. /Yonas
