[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] Resize Disk
you have erased your data to resize a disk you need conv=notrunc this is the correct way. dd if=/dev/zero of=root_fs.ext3 bs=1 count=1 seek=20G conv=notrunc e2fsck -f root_fs.ext3 -y resize2fs -p root_fs.ext3 >> >> >>[root@Mars home]# dd if=/dev/zero of=cferge-vm bs=1MB count=0 >>seek=20480; e2fsck -f -y cferge-vm; resize2fs -p cferge-vm >>0+0 records in >>0+0 records out >>0 bytes (0 B) copied, 2.7e-05 seconds, 0.0 kB/s >>e2fsck 1.38 (30-Jun-2005) >>Couldn't find ext2 superblock, trying backup blocks... >>e2fsck: Bad magic number in super-block while trying to open cferge-vm >> >> >> > It seems that you haven't created a filesystem on the image befor you > resize it. > Have you created a filesystem runnng "mkfs.ext3 <imagename>" ? > >>The superblock could not be read or does not describe a correct ext2 >>filesystem. If the device is valid and it really contains an ext2 >>filesystem (and not swap or ufs or something else), then the superblock >>is corrupt, and you might try running e2fsck with an alternate >>superblock: e2fsck -b 8193 <device >>resize2fs 1.38 (30-Jun-2005) >>resize2fs: Bad magic number in super-block while trying to open >>cferge-vm >>Couldn't find valid filesystem superblock. >> >>-----Original Message----- >>From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx >>[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Sadique >>Sent: Monday, May 01, 2006 3:07 PM >>To: cferge@xxxxxxxxxxxxx; xen-users@xxxxxxxxxxxxxxxxxxx >>Subject: Re: [Xen-users] Resize Disk >> >> Yes, you can >> >>Shutdown the Dom-U >>TO resize it to 20GB >> >>dd if=/dev/zero of=<image name> bs=1MB count=0 seek=20480 >>e2fsck -f -y <imagename> >>resize2fs -p <image name> >> >> >>Chad F wrote: >> >> >> >>>Is there a way I can resize the disk/file that Xen is on -- I created a >>>10GB Disk for my install but I've just realized it's not enough; anyway >>> >>> >>I >> >> >>>could possibly increase it to 20gb? or even more if I wanted? Let me >>> >>> >>know. >> >> _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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