Re: Rbd resize, refresh rescan

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Disk Management in Windows should very easily extend a partition to use the rest of the disk.  You should just right click the partition and select "Extend Volume" and that's it.  I did it in Windows 10 over the weekend for a laptop that had been set up weird.  

On Mon, Sep 18, 2017 at 4:49 PM Marc Roos <M.Roos@xxxxxxxxxxxxxxxxx> wrote:

Yes, I think you are right, after I saw this in dmesg, I noticed with
fdisk the block device was updated
 rbd21: detected capacity change from 5368709120 to 6442450944

Maybe this also works (found a something that refered to a /sys/class,
which I don’t have) echo 1 > /sys/devices/rbd/21/refresh

(I am trying to online increase the size via kvm, virtio disk in win
2016)


-----Original Message-----
From: David Turner [mailto:drakonstein@xxxxxxxxx]
Sent: maandag 18 september 2017 22:42
To: Marc Roos; ceph-users
Subject: Re: Rbd resize, refresh rescan

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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