Thanks.
but how to use these features ???
so,there is no way to implement them on ubuntu 16.04 kernel (4.4.0) ???
it's strange !!! 🤔
On Mon, May 23, 2016 at 5:28 PM, Albert Archer <albertarche...@gmail.com>
wrote:
> Thanks.
> but how to use these features ???
> so,there is no way to implement them on ubuntu 16.04 kernel (4.4.0) ???
> it's strange !!! 🤔
>
> On Mon, May 23, 2016 at 5:24 PM, Ilya Dryomov <idryo...@gmail.com> wrote:
>
>> On Mon, May 23, 2016 at 12:27 PM, Albert Archer
>> <albertarche...@gmail.com> wrote:
>> > Hello All,
>> > There is a problem to mapping RBD images to ubuntu 16.04(Kernel
>> > 4.4.0-22-generic).
>> > All of the ceph solution is based on ubunut 16.04(deploy, monitors,
>> OSDs and
>> > Clients).
>> > #################################
>> > #################################
>> >
>> > there are some output of my config :
>> >
>> > $ ceph status
>> >
>> > cluster 8f2da78c-89e9-4924-9238-5bf9110664cd
>> > health HEALTH_OK
>> > monmap e1: 3 mons at
>> > {mon1=
>> 192.168.0.52:6789/0,mon2=192.168.0.53:6789/0,mon3=192.168.0.54:6789/0}
>> > election epoch 4, quorum 0,1,2 mon1,mon2,mon3
>> > osdmap e50: 9 osds: 9 up, 9 in
>> > flags sortbitwise
>> > pgmap v183: 576 pgs, 2 pools, 306 bytes data, 4 objects
>> > 324 MB used, 899 GB / 899 GB avail
>> > 576 active+clean
>> >
>> > when i want to map testpool/vdisk1(for example) :
>> >
>> > $ sudo rbd map testpool/vdisk1
>> >
>> >
>> > rbd: sysfs write failed
>> > RBD image feature set mismatch. You can disable features unsupported by
>> the
>> > kernel with "rbd feature disable".
>> > In some cases useful info is found in syslog - try "dmesg | tail" or so.
>> > rbd: map failed: (6) No such device or address
>> >
>> > $ rbd info testpool/vdisk1
>> >
>> > rbd image 'vdisk1':
>> > size 4096 MB in 1024 objects
>> > order 22 (4096 kB objects)
>> > block_name_prefix: rbd_data.1064238e1f29
>> > format: 2
>> > features: layering, exclusive-lock, object-map, fast-diff,
>> > deep-flatten
>> > flags:
>> > ############################
>> > ############################
>> >
>> > But, when i disabled following features, finally i could map my
>> > image(vdisk1).
>> >
>> > exclusive-lock, object-map, fast-diff, deep-flatten
>> >
>> > So, what is the problem ???
>>
>> No problem - those features aren't yet supported by the kernel client.
>>
>> Thanks,
>>
>> Ilya
>>
>
>
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