On Tue, Jun 5, 2018 at 10:18 AM Carmelo Zubeldia Matute <
czubel...@intellimentsec.com> wrote:

> I think you are not using the docker-ce version that comes with atomic.
> You can send the result of the command:
>
> rpm -qa | grep -i docker
>

 611:docker-ce-17.03.2.ce-1.el7.centos.x86_64

Yes you are right, I had to use an older version as my machines will be
part of Kubernetes cluster and not all docker versions are compatible. This
could in fact explain my issue, as I already spent many hours using various
methods (manually, helper script, various settings) and can't extend the
atomic root with my volume.



> Thanks,
>
> 2018-06-01 15:06 GMT+02:00 arnaud gaboury <arnaud.gabo...@gmail.com>:
>
>> I created a thin poll storage volume using the helper script
>> "container-storage-setup".
>>
>> Here is my /etc/sysconfig/docker-storage-setup
>> -------------------------
>> VG=vg-docker
>> ROOT_SIZE=+100%FREE
>> MIN_DATA_SIZE=8G
>> GROWPART=true
>> POOL_AUTOEXTEND_PERCENT=10
>> ----------------------
>>
>> NOTE: default driver is devicemapper in
>> "/usr/share/container-storage-setup/container-storage-setup", exactly what
>> I am looking for.
>>
>> After running the script, here is part of docker info:
>> -------------------
>> # docker info
>> Containers: 0
>>  Running: 0
>>  Paused: 0
>>  Stopped: 0
>> Images: 0
>> Server Version: 17.03.2-ce
>> Storage Driver: overlay2
>>  Backing Filesystem: xfs
>> .....
>> -------------------------
>> As you can see, driver is set to overlay2 when I was expecting
>> devicemapper.
>>
>> NOTE: Filesystem is good, xfs, but I don't know where does this
>> filesystem comes from as I didn't format the partition. Did the script do
>> it?
>> when running lsblk, i can see this:
>> -----------------------------
>> # lsblk -f
>> NAME                              FSTYPE      LABEL
>> UUID                                   MOUNTPOINT
>> sr0                               iso9660     config-2
>> 2018-05-30-00-18-35-00
>> vda
>>
>> ├─vda1                            ext4
>> 8eb202fa-c75c-43f6-9a87-7ddb013ce0fa   /boot
>> └─vda2                            LVM2_member
>> Ji8MSG-yiKd-ZSlF-cop0-siUg-SPSN-xMhEkx
>>   └─atomicos-root                 xfs
>> 854965bc-06ad-40df-af9d-7bfb318c1aed   /sysroot
>> vdb
>>
>> └─vdb1                            LVM2_member
>> Wblg0x-nsLd-1eyE-sZfA-jQfO-Ldvi-rUGdK1
>>
>> ├─vg--docker-docker--pool_tmeta
>>
>>   │
>> └─vg--docker-docker--pool
>>
>>
>> └─vg--docker-docker--pool_tdata
>>
>>     └─vg--docker-docker--pool
>> ----------------------
>> As  you can see, there is no shown filesystem for my docker pool . Why?
>>
>>
>> Now, looking at /etc/sysconfig/docker-storage:
>> --------
>> # cat /etc/sysconfig/docker-storage
>> DOCKER_STORAGE_OPTIONS="--storage-driver devicemapper --storage-opt
>> dm.fs=xfs --storage-opt dm.thinpooldev=/dev/mapper/vg--docker-docker--pool
>> --storage-opt dm.use_deferred_removal=true --storage-opt
>> dm.use_deferred_deletion=true "
>> -----------------
>> Here it shows my storage driver as set to devicemapper !
>>
>>
>> So, what is exactly my storage driver, as bot command don't return the
>> same value.
>>
>>
>> Thank you for help/explanations.
>>
>>
>>
>
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