(please reply to the maillist)

Next step is check status for ceph (ceph status). If there is issues with OSD/placement, IO may hang indefinitely.

If HEALTH_OK, try reduce pool min_size (ceph osd pool set data min_size 1), and retry.

On 06/17/2016 04:01 PM, Ishmael Tsoaela wrote:
cluster-admin@nodeB:~/.ssh/ceph-cluster$ sudo rbd -p data ls
data_01


network connectivity is fine as per icmp output, is there any other way I can confirm this?

On Fri, Jun 17, 2016 at 2:59 PM, George Shuklin <george.shuk...@gmail.com <mailto:george.shuk...@gmail.com>> wrote:

    What did

    sudo rbd -p data ls

    show?

    If it freezes too, issue is with pool itself (ceph health) or
    network connectivity.


    On 06/17/2016 03:37 PM, Ishmael Tsoaela wrote:
    Hi,

    Thank you for the response but with sudo all it does is freeze:

    rbd map data_01 --pool data


    cluster-admin@nodeB:~/.ssh/ceph-cluster$
    <mailto:cluster-admin@nodeB:%7E/.ssh/ceph-cluster$> date && sudo
    rbd map data_01 --pool data && date
    Fri Jun 17 14:36:41 SAST 2016





    On Fri, Jun 17, 2016 at 2:01 PM, Ishmael Tsoaela
    <ishmae...@gmail.com <mailto:ishmae...@gmail.com>> wrote:

        Hi,

        Will someone please assist, I am new to cepph and I am trying
        to map image and this happens:

        cluster-admin@nodeB:~/.ssh/
        <mailto:cluster-admin@nodeB:%7E/.ssh/>ceph-cluster$ rbd map
        data_01 --pool data
        rbd: sysfs write failed
        In some cases useful info is found in syslog - try "dmesg |
        tail" or so.
        rbd: map failed: (13) Permission denied

        If someone could help it would be great

        cluster-admin@nodeB:~/.ssh/
        <mailto:cluster-admin@nodeB:%7E/.ssh/>ceph-cluster$ ceph -v
        ceph version 10.2.1 (3a66dd4f30852819c1bdaa8ec23c795d4ad77269)

        cluster-admin@nodeB:~/.ssh/
        <mailto:cluster-admin@nodeB:%7E/.ssh/>ceph-cluster$
        lsb_release -r
        Release: 14.04




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