[Gluster-devel] Question on merging zfs snapshot support into the mainline glusterfs

[sriram at marirs.net.in]

Hi Rajesh,
 
Could you let us know the idea on how to go about this?
 
Sriram
 
 
On Wed, Jul 6, 2016, at 03:18 PM, Pranith Kumar Karampuri wrote:
> I believe Rajesh already has something here. May be he can post an
> outline so that we can take it from there?
>
> On Tue, Jul 5, 2016 at 10:52 PM, <sriram at marirs.net.in> wrote:
>> __
>> Hi,
>>
>> I tried to go through the patch and find the reason behind the
>> question posted. But could'nt get any concrete details about
>> the same.
>>
>> When going through the mail chain, there were mentions of generic
>> snapshot interface. I'd be interested in doing the changes if you
>> guys could fill me with some initial information. Thanks.
>>
>> Sriram
>>
>>
>> On Mon, Jul 4, 2016, at 01:59 PM, B.K.Raghuram wrote:
>>> Hi Rajesh,
>>> I did not want to respond to the question that you'd posed on the
>>> zfs snapshot code (about the volume backend backup) as I am not too
>>> familiar with the code and the person who's coded it is not with us
>>> anymore. This was done in bit of a hurry so it could be that it was
>>> just kept for later..
>>>
>>> However, Sriram who is cc'd on this email, has been helping us by
>>> starting to look at the gluster code  and has expressed an interest
>>> in taking the zfs code changes on. So he can probably dig out an
>>> answer to your question. Sriram, Rajesh had a question on one of the
>>> zfs related patches -
>>> (https://github.com/fractalio/glusterfs/commit/39a163eca338b6da146f72f380237abd4c671db2#commitcomment-18109851)
>>>
>>> Sriram is also interested in contributing to the process of creating
>>> a generic snapshot interface in the gluster code which you and
>>> Pranith mentioned above. If this is ok with you all, could you fill
>>> him in on what your thoughts are on that and how he could get
>>> started?
>>> Thanks!
>>> -Ram
>>>
>>> On Wed, Jun 22, 2016 at 11:45 AM, Rajesh Joseph <rjoseph at redhat.com>
>>> wrote:
>>>>
>>>>
>>>> On Tue, Jun 21, 2016 at 4:24 PM, Pranith Kumar Karampuri
>>>> <pkarampu at redhat.com> wrote:
>>>>> hi,
>>>>>       Is there a plan to come up with an interface for snapshot
>>>>>       functionality? For example, in handling different types of
>>>>>       sockets in gluster all we need to do is to specify which
>>>>>       interface we want to use and ib,network-socket,unix-domain
>>>>>       sockets all implement the interface. The code doesn't have
>>>>>       to assume anything about underlying socket type. Do you guys
>>>>>       think it is a worthwhile effort to separate out the logic of
>>>>>       interface and the code which uses snapshots? I see quite a
>>>>>       few of if (strcmp ("zfs", fstype)) code which can all be
>>>>>       removed if we do this. Giving btrfs snapshots in future will
>>>>>       be a breeze as well, this way? All we need to do is
>>>>>       implementing snapshot interface using btrfs snapshot
>>>>>       commands. I am not talking about this patch per se. Just
>>>>>       wanted to seek your inputs about future plans for ease of
>>>>>       maintaining the feature.
>>>>
>>>>
>>>> As I said in my previous mail this is in plan and we will be doing
>>>> it. But due to other priorities this was not taken in yet.
>>>>
>>>>
>>>>>
>>>>>
>>>>> On Tue, Jun 21, 2016 at 11:46 AM, Atin Mukherjee
>>>>> <amukherj at redhat.com> wrote:
>>>>>>
>>>>>>
>>>>>> On 06/21/2016 11:41 AM, Rajesh Joseph wrote:
>>>>>>  > What kind of locking issues you see? If you can provide some
>>>>>>  > more information I can be able to help you.
>>>>>>
>>>>>> That's related to stale lock issues on GlusterD which are there
>>>>>> in 3.6.1 since the fixes landed in the branch post 3.6.1. I have
>>>>>> already provided the workaround/way to fix them [1]
>>>>>>
>>>>>>  [1]http://www.gluster.org/pipermail/gluster-users/2016-June/thread.html#26995
>>>>>>
>>>>>>  ~Atin
>>>>>>
>>>>>> _______________________________________________
>>>>>>  Gluster-devel mailing list Gluster-devel at gluster.org
>>>>>>  http://www.gluster.org/mailman/listinfo/gluster-devel
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Pranith
>>>>>
>>>>
>>
>
>
>
> --
> Pranith
 
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