Thanks for your answer, no more chance with blockdev --rereadpt or partprobe -s. :(
2013/4/5 Wido den Hollander <[email protected]> > On 04/05/2013 12:34 PM, Laurent Barbe wrote: > >> Hello, >> >> I'm trying online resizing with RBD + XFS. But when i try to make a >> xfs_growfs, it doesn't seen the new size. I don't use partition table, >> os is debian squeeze / kernel 3.8.4 / ceph 0.56.4. >> It seems that the mounted file system prevents update the block device >> size ? >> >> If the file system is not mounted, or if I unmount + mount, xfs_growfs >> works as expected. >> >> > When I block device is in use it can't change. When you unmount the > blockdevice is no longer in use and the new size can be detected. > > This is a not a RBD limitation, but it's something that goes for all block > devices in Linux. > > I've seen some patches floating around that could do this online, but I'm > not sure if they are in the kernel. > > You could try this: > > $ blockdev --rereadpt /dev/rbd1 > > Or > > $ partprobe -s /dev/rbd1 > > > -- > Wido den Hollander > 42on B.V. > > Phone: +31 (0)20 700 9902 > Skype: contact42on > > #### ORIGINAL SIZE #### >> # parted /dev/rbd1 print >> Model: Unknown (unknown) >> Disk /dev/rbd1: *105MB* >> >> Sector size (logical/physical): 512B/512B >> Partition Table: loop >> >> Number Start End Size File system Flags >> 1 0,00B 105MB 105MB xfs >> >> #### RBD RESIZE #### >> # rbd resize rbdxfs --size=200 >> Resizing image: 100% complete...done. >> >> #### SIZE NOT CHANGE IF FS ON RBD1 IS MOUNTED #### >> # parted /dev/rbd1 print >> Model: Unknown (unknown) >> Disk /dev/rbd1: *105MB* >> >> Sector size (logical/physical): 512B/512B >> Partition Table: loop >> >> Number Start End Size File system Flags >> 1 0,00B 105MB 105MB xfs >> >> #### UMOUNT FS --> SIZE OK #### >> # umount /mnt/rbdxfs >> # parted /dev/rbd1 print >> Model: Unknown (unknown) >> Disk /dev/rbd1: *210MB* >> >> Sector size (logical/physical): 512B/512B >> Partition Table: loop >> >> Number Start End Size File system Flags >> 1 0,00B 210MB 210MB xfs >> >> >> Any Ideas ? >> Thanks >> >> -- >> Laurent Barbe >> >> >> ______________________________**_________________ >> ceph-users mailing list >> [email protected] >> http://lists.ceph.com/**listinfo.cgi/ceph-users-ceph.**com<http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com> >> >> > > ______________________________**_________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/**listinfo.cgi/ceph-users-ceph.**com<http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com> >
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