[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] real HDD usage of XEN images
On Thu, Jan 15, 2009 at 2:23 PM, Kai Schaetzl <maillists@xxxxxxxxxxxxx> wrote: > Heiko wrote on Thu, 15 Jan 2009 12:37:58 +0100: > >> Are the XEN images pre allocated or does XEN only use that space that >> really is used by the VM inside the image? > > If I remember correctly virt-install does *not* create sparse files. This > is a not a matter of Xen, but simply how the image file gets created. You > can create it before use by virt-install for instance. > Hello, in the future we will create the file with dd before installing,seems to be better. >> I know have the Problem that an "du -h" inside my /VM folder gives me >> nearly a higher number that the harddisk has on size. > > well, du is missing from your quotes now ;-) > >> /dev/sda3 106G 102G 0 100% / > > your root system is full. Independant of the question whether your VMs are > using sparse files or not ;-) > >> [root@x1blade3:~]# ls -lah /VM >> total 101G > > ls gives you the amount that is reserved for the file in the directory > list, it doesn't give you the real size of the file. The real size is > shown by du -s. Run a "du -s *" in that folder and it will list real sizes > for each file and folder in there (or a "du -s /VM" to get the complete > value for that directory). > mmh,i get the same number with both commands when i sum up all the imagesizes below I get 100GB, but df says I still have 34GB free and df that are only 50GB in use. So for planning new VM i should always count on the imagesize and not what df/du are telling me? [root@x1blade1:/VM]# ls -lah total 50G drwxr-xr-x 2 root root 4.0K Jan 15 11:24 . drwxr-xr-x 25 root root 4.0K Mar 10 2008 .. 2.0G May 5 2008 auto-input_swapfile.img 31G Jan 15 13:36 auto-input-vm1.img 2.0G Mar 13 2008 distribution_swap.img 11G Jan 15 13:36 distribution-vm1.img 26G Jan 15 13:36 monitoring-1.img 2.0G Mar 19 2008 monitoring-1_swapfile.img 2.0G Jan 7 08:26 translator_swap.img 11G Jan 15 13:36 translator-vm1.img 11G Jan 15 13:36 uat-vm1.img 2.0G Mar 26 2008 uat-vm1_swapfile.img [root@x1blade1:/VM]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 106G 67G 34G 67% / /dev/sda1 99M 24M 71M 25% /boot tmpfs 3.9G 0 3.9G 0% /dev/shm greetings Heiko > Kai > > -- > Kai SchÃtzl, Berlin, Germany > Get your web at Conactive Internet Services: http://www.conactive.com > > > > > _______________________________________________ > Xen-users mailing list > Xen-users@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-users > _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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