On Jun 24, 2013, at 9:13 AM, Edward Huyer <erh...@rit.edu> wrote: > I’m experimenting with ceph 0.61.4 and RBD under Ubuntu 13.0x. I create a > RADOS block device (test), map it, format it as ext4 or xfs, and mount it. > No problem. I grow the underlying RBD. lsblk on both /dev/rbd/rbd/test and > /dev/rbd1 shows the new size, but the filesystem resize commands don’t see > the new size until I unmount and then mount the block device again. “-o > remount” isn’t good enough, nor is partprobe. > > Is there a way to club the filesystem tools into recognizing that the RBD has > changed sizes without unmounting the filesystem?
I know this is possible with e.g. virtual machines (c.f. "virsh blockresize"), so I agree it _ought_ to work. I don't know if the RBD kernel module has or needs any special support for online resizing. It may work the same as "partprobe", but have you tried "blockdev --rereadpt"? JN _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
