I've never needed to do anything other than extend the partition and/or filesystem when I increased the size of an RBD. Particularly if I didn't partition the RBD I only needed to extend the filesystem.
Which method are you mapping/mounting the RBD? Is it through a Hypervisor or just mapped to a server? What are you seeing to indicate that the RBD isn't already reflecting the larger size? Which version of Ceph are you using?
On Mon, Sep 18, 2017 at 4:31 PM Marc Roos <M.Roos@xxxxxxxxxxxxxxxxx> wrote:
Is there something like this for scsi, to rescan the size of the rbd
device and make it available? (while it is being used)
echo 1 > /sys/class/scsi_device/2\:0\:0\:0/device/rescan
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