[Gluster-devel] Invitation: Re: Question on merging zfs snapshot supp... @ Tue Dec 20, 2016 2:30pm - 3:30pm (IST) (sriram at marirs.net.in)

Avra Sengupta asengupt at redhat.com
Wed Jan 11 06:28:04 UTC 2017


Hi,

We can have a discussion tomorrow i.e 12th January from 3pm to 4 pm. 
Does that time work for you?

Meeting Link : https://bluejeans.com/u/asengupt/ 
<https://www.google.com/url?q=https%3A%2F%2Fbluejeans.com%2Fu%2Fasengupt%2F&sa=D&usd=2&usg=AFQjCNHgp0xCwA9DqgdbAc9s2OxthUEHRA>

Regards,
Avra

On 01/10/2017 09:35 PM, sriram at marirs.net.in wrote:
> Hello Rajesh, Avra,
>
> Could we have a discussion on the below? This week sometime?
>
> Sriram
>
>
> On Mon, Jan 2, 2017, at 04:56 PM, Rajesh Joseph wrote:
>> Sure, will setup it from next week onward.
>> -Rajesh
>>
>> On Mon, Jan 2, 2017 at 4:38 PM, <sriram at marirs.net.in 
>> <mailto:sriram at marirs.net.in>> wrote:
>>
>>
>>     Hi Rajesh,
>>
>>     Right now bi-weekly should be ok, with progress we could decide.
>>     I'll continue to rework the initial patch set and post it for
>>     review. We'll take it from there, is that ok with you?
>>
>>     Sriram
>>
>>
>>     On Mon, Jan 2, 2017, at 03:32 PM, Rajesh Joseph wrote:
>>>
>>>
>>>     On Mon, Jan 2, 2017 at 3:19 PM, <sriram at marirs.net.in
>>>     <mailto:sriram at marirs.net.in>> wrote:
>>>
>>>
>>>         Hi Avra,
>>>
>>>         Is the below request ok with you?
>>>
>>>         Sriram
>>>
>>>
>>>         On Wed, Dec 21, 2016, at 10:00 AM, sriram at marirs.net.in
>>>         <mailto:sriram at marirs.net.in> wrote:
>>>>         Hi Avra/Rajesh,
>>>>
>>>>         In continuation to the discussion we'd yesterday, I'd be
>>>>         working on the change we'd initiated sometime back for
>>>>         pluggable FS specific snapshot implementation. We'd be
>>>>         moving our gluster deployements to "master" (stable) once
>>>>         this feature goes in. Since, glusterd2.0 release is
>>>>         scheduled release next year, I'd be happy if some of the
>>>>         work done here is re-usable to glusterd2.0 as well.
>>>>
>>>>         Let me know, if this is ok. Like Rajesh mentioned in the
>>>>         call, could we've a weekly meeting for the same feature?
>>>
>>>
>>>     Hi Sriram,
>>>     I was on vacation so could not reply to your mail.
>>>     I am OK with having a regular sync-up on this issue. Let's take
>>>     this to conclusion.
>>>     Do we need a weekly meeting or bi-weekly meeting is fine?
>>>     Best Regards,
>>>     Rajesh
>>>
>>>
>>>>
>>>>
>>>>         Sriram
>>>>
>>>>         On Mon, Dec 19, 2016, at 03:55 PM, asengupt at redhat.com
>>>>         <mailto:asengupt at redhat.com> wrote:
>>>>>
>>>>>
>>>>>         more details »
>>>>>         <https://www.google.com/calendar/event?action=VIEW&eid=YWJoMmtwNHAzc3EyNDgybTRjb2llaW1jNm8gc3JpcmFtQG1hcmlycy5uZXQuaW4&tok=MTkjYXNlbmd1cHRAcmVkaGF0LmNvbTYyNWZlYjFmYzg2NWRkNGI2YzAyY2FlYmVkMTIwM2VlZmMxZTY0Mzg&ctz=Asia/Calcutta&hl=en>
>>>>>
>>>>>
>>>>>               Re: [Gluster-devel] Question on merging zfs snapshot
>>>>>               support into the mainline glusterfs
>>>>>
>>>>>         Hi Sriram,
>>>>>
>>>>>         Could you please join the hangout, so that we can discuss
>>>>>         snapshot plugabbility. Thanks
>>>>>
>>>>>         Meeting Link: https://bluejeans.com/u/asengupt/
>>>>>         <https://www.google.com/url?q=https%3A%2F%2Fbluejeans.com%2Fu%2Fasengupt%2F&sa=D&usd=2&usg=AFQjCNHgp0xCwA9DqgdbAc9s2OxthUEHRA>
>>>>>
>>>>>
>>>>>         Regards, Avra
>>>>>
>>>>>         On 12/19/2016 01:38 PM, sriram at marirs.net.in
>>>>>         <mailto:sriram at marirs.net.in> wrote: > Hi Avra, > > Could
>>>>>         you help on the below request? May I abandon the previous
>>>>>         submitted patches, and could we consider the latest one? >
>>>>>         > Sriram > > > On Thu, Dec 15, 2016, at 12:57 PM,
>>>>>         sriram at marirs.net.in <mailto:sriram at marirs.net.in> wrote:
>>>>>         >> Hi Avra, >> >> Thanks for the reply, >> >> But the
>>>>>         problem I see here is the previous patch set sent would'nt
>>>>>         compile individually. So, I merged the changes into a
>>>>>         single patch , which i'd posted today. Is it ok to drop
>>>>>         all the previous posted patches and consider from the new
>>>>>         one? Please suggest. >> >> Sriram >> >> >> On Thu, Dec 15,
>>>>>         2016, at 12:45 PM, Avra Sengupta wrote: >>> Hi Sriram, >>>
>>>>>         >>> I have already provided comments on the new patch. It
>>>>>         seems this new patch while addressing merge cloflicts, has
>>>>>         undone some previous patches. I suggest you send this
>>>>>         patch on top of the previous
>>>>>         patchset(http://review.gluster.org/#/c/15554/1
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F%23%2Fc%2F15554%2F1&sa=D&usd=2&usg=AFQjCNE4gL3TlKKImxMOU_yOKoCFnP27BA>)
>>>>>         instead of creating a new one. This will allow you to view
>>>>>         the diff between the new version and the previous version,
>>>>>         and will give u an idea if the diff is something that you
>>>>>         added in the patch or got added as part of merge conflict.
>>>>>         >>> >>> Regards, >>> Avra >>> >>> On 12/15/2016 12:09 PM,
>>>>>         sriram at marirs.net.in <mailto:sriram at marirs.net.in> wrote:
>>>>>         >>>> Hi Avra, >>>> >>>> I've update the patch according to
>>>>>         the comments below. And created a single patch which does
>>>>>         the initial modularization. Fixed the tab->space issue as
>>>>>         well. I've raised a new review request for the same bug ID
>>>>>         here: >>>> http://review.gluster.org/#/c/16138/
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F%23%2Fc%2F16138%2F&sa=D&usd=2&usg=AFQjCNGST3yFW0o5r4X5DiUXR0GOvgUUUQ>
>>>>>         >>>> >>>> Added, Rajesh and You as the reviewers, let me
>>>>>         know if I need to do anything else. >>>> >>>> Could you
>>>>>         have a look and let me know? >>>> >>>> (Sorry for the
>>>>>         delay in creating this) >>>> >>>> Sriram >>>> >>>> On Thu,
>>>>>         Oct 13, 2016, at 12:15 PM, Avra Sengupta wrote: >>>>> Hi
>>>>>         Sriram, >>>>> >>>>> The point I was trying to make is,
>>>>>         that we want that each patch should compile by itself, and
>>>>>         pass regression. So for that to happen, we need to
>>>>>         consolidate these patches(the first three) into one patch,
>>>>>         and have the necessary make file changes into that patch
>>>>>         too. >>>>> >>>>> http://review.gluster.org/#/c/15554/
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F%23%2Fc%2F15554%2F&sa=D&usd=2&usg=AFQjCNEgad6GCmPU7P8S1wod8fgs-vOJLw>
>>>>>         >>>>> http://review.gluster.org/#/c/15555/
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F%23%2Fc%2F15555%2F&sa=D&usd=2&usg=AFQjCNG6W-AdS5f66QUqkj1ywoxXGes7NQ>
>>>>>         >>>>> http://review.gluster.org/#/c/15556/
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F%23%2Fc%2F15556%2F&sa=D&usd=2&usg=AFQjCNG_1vMwB5YePfBQSG0lhYUTxoAM3w>
>>>>>         >>>>> >>>>> That will give us one single patch, that
>>>>>         contains the changes of having the current code moved into
>>>>>         separate files, and it should get compiled on it's own,
>>>>>         and should pass regression. Also, we use spaces, and not
>>>>>         tabs in the code. So we will need to get those changed
>>>>>         too. Thanks. >>>>> >>>>> Regards, >>>>> Avra >>>>> >>>>>
>>>>>         On 10/12/2016 10:46 PM, sriram at marirs.net.in
>>>>>         <mailto:sriram at marirs.net.in> wrote: >>>>>> Hi Avra,
>>>>>         >>>>>> >>>>>> Could you let me know on the below request?
>>>>>         >>>>>> >>>>>> Sriram >>>>>> >>>>>> >>>>>> On Tue, Oct 4,
>>>>>         2016, at 11:16 AM, sriram at marirs.net.in
>>>>>         <mailto:sriram at marirs.net.in> wrote: >>>>>>> Hi Avra,
>>>>>         >>>>>>> >>>>>>> I checked the comment, the series of
>>>>>         patches, (There are nine patches) for which I've posted
>>>>>         for a review below. They've all the necessary makefiles to
>>>>>         compile. >>>>>>> >>>>>>> Would you want me to consolidate
>>>>>         all'em and post them as a single patch? (I thought that
>>>>>         would be a little confusing, since it'd changes with
>>>>>         different intentions). >>>>>>> >>>>>>> Sriram >>>>>>>
>>>>>         >>>>>>> >>>>>>> On Mon, Oct 3, 2016, at 03:54 PM, Avra
>>>>>         Sengupta wrote: >>>>>>>> Hi Sriram, >>>>>>>> >>>>>>>> I
>>>>>         posted a comment into the first patch. It doesn't compile
>>>>>         by itself. We need to update the respective makefiles to
>>>>>         be able to compile it. Then we can introduce the tabular
>>>>>         structure in the same patch to have the framework set for
>>>>>         the zfs snapshots. Thanks. >>>>>>>> >>>>>>>> Regards,
>>>>>         >>>>>>>> Avra >>>>>>>> >>>>>>>> On 09/30/2016 10:24 AM,
>>>>>         sriram at marirs.net.in <mailto:sriram at marirs.net.in> wrote:
>>>>>         >>>>>>>>> Hi Avra, >>>>>>>>> >>>>>>>>> Could you have a
>>>>>         look into the below request? >>>>>>>>> >>>>>>>>> Sriram
>>>>>         >>>>>>>>> >>>>>>>>> >>>>>>>>> On Fri, Sep 23, 2016, at
>>>>>         04:10 PM, sriram at marirs.net.in
>>>>>         <mailto:sriram at marirs.net.in> wrote: >>>>>>>>>> Hi Avra,
>>>>>         >>>>>>>>>> >>>>>>>>>> Have submitted the patches for
>>>>>         Modularizing snapshot, >>>>>>>>>> >>>>>>>>>>
>>>>>         https://bugzilla.redhat.com/show_bug.cgi?id=1377437
>>>>>         <https://www.google.com/url?q=https%3A%2F%2Fbugzilla.redhat.com%2Fshow_bug.cgi%3Fid%3D1377437&sa=D&usd=2&usg=AFQjCNFg-7VmX5CLxzVmud3uCFN8S8CDoA>
>>>>>         >>>>>>>>>> >>>>>>>>>> This is the patch set: >>>>>>>>>>
>>>>>         >>>>>>>>>> http://review.gluster.org/15554
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F15554&sa=D&usd=2&usg=AFQjCNHk_z5vu62VRSnxCltQhL-8H7w5-w>
>>>>>         This patch follows the discussion from the gluster-devel
>>>>>         mail chain of, ... >>>>>>>>>>
>>>>>         http://review.gluster.org/15555
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F15555&sa=D&usd=2&usg=AFQjCNFtjkyj_R7NYpRk-tnP3ol4tpthYQ>
>>>>>         Referring to bugID:1377437, Modularizing snapshot for
>>>>>         plugin based modules. >>>>>>>>>>
>>>>>         http://review.gluster.org/15556
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F15556&sa=D&usd=2&usg=AFQjCNEi_WhUMxIIYJe2LZ6b43yFJtO9YA>
>>>>>         - This is third patch in the series for the bug=1377437
>>>>>         >>>>>>>>>> http://review.gluster.org/15557
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F15557&sa=D&usd=2&usg=AFQjCNH7GHU6yX6hZrloWQOovx3sRni2pQ>
>>>>>         [BugId:1377437][Patch4]: Refering to the bug ID,
>>>>>         >>>>>>>>>> http://review.gluster.org/15558
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F15558&sa=D&usd=2&usg=AFQjCNEdvqKP6ZkiNzBS6PG0V4yXPPe2Mg>
>>>>>         [BugId:1377437][Patch5]: Refering to the bug ID,
>>>>>         >>>>>>>>>> http://review.gluster.org/15559
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F15559&sa=D&usd=2&usg=AFQjCNEapBOtXvqFtGb5va2ZzWgtD2BFIQ>
>>>>>         [BugId:1377437][Patch6]: Refering to the bug ID,
>>>>>         >>>>>>>>>> http://review.gluster.org/15560
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F15560&sa=D&usd=2&usg=AFQjCNHs2bZyIlC78giiYEi-4q2-PA6IMw>
>>>>>         [BugId:1377437][Patch7]: Refering to the bug ID. * This
>>>>>         patch has some minor ... >>>>>>>>>>
>>>>>         http://review.gluster.org/15561
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F15561&sa=D&usd=2&usg=AFQjCNGFuuYDikEfaccqIiQ_Bo-amMC1Jw>
>>>>>         [BugId:1377437][Patch8]: Refering to the bug ID, this
>>>>>         commit has minor fixes ... >>>>>>>>>>
>>>>>         http://review.gluster.org/15562
>>>>>         <https://www.google.com/url?q=http%3A%2F%2Freview.gluster.org%2F15562&sa=D&usd=2&usg=AFQjCNGH9R8bTbHfGsVvL9R-1m41gGHGRg>
>>>>>         [BugId:1377437][Patch9]: Refering to the bug ID, - Minor
>>>>>         header file ... >>>>>>>>>> >>>>>>>>>> Primarily, focused
>>>>>         on moving lvm based implementation into plugins. Have
>>>>>         spread the commits across nine patches, some of them are
>>>>>         minors, except a couple of ones which does the real work.
>>>>>         Others are minors. Followed this method since, it would be
>>>>>         easy for a review (accept/reject). Let me know if there is
>>>>>         something off the methods followed with gluster devel.
>>>>>         Thanks >>>>>>>>>> >>>>>>>>>> Sriram >>>>>>>>>> >>>>>>>>>>
>>>>>         On Mon, Sep 19, 2016, at 10:58 PM, Avra Sengupta wrote:
>>>>>         >>>>>>>>>>> Hi Sriram, >>>>>>>>>>> >>>>>>>>>>> I have
>>>>>         created a bug for this
>>>>>         (https://bugzilla.redhat.com/show_bug.cgi?id=1377437
>>>>>         <https://www.google.com/url?q=https%3A%2F%2Fbugzilla.redhat.com%2Fshow_bug.cgi%3Fid%3D1377437&sa=D&usd=2&usg=AFQjCNFg-7VmX5CLxzVmud3uCFN8S8CDoA>).
>>>>>         The plan is that for the first patch as mentioned below,
>>>>>         let's not meddle with the zfs code at all. What we are
>>>>>         looking at is segregating the lvm based code as is today,
>>>>>         from the management infrastructure (which is addressed in
>>>>>         your patch), and creating a table based pluggable
>>>>>         infra(refer to gd_svc_cli_actors[] in
>>>>>         xlators/mgmt/glusterd/src/glusterd-handler.c and other
>>>>>         similar tables in gluster code base to get a understanding
>>>>>         of what I am conveying), which can be used to call this
>>>>>         code and still achieve the same results as we do today.
>>>>>         >>>>>>>>>>> >>>>>>>>>>> Once this code is merged, we can
>>>>>         use the same infra to start pushing in the zfs code (rest
>>>>>         of your current patch). Please let me know if you have
>>>>>         further queries regarding this. Thanks. >>>>>>>>>>>
>>>>>         >>>>>>>>>>> Regards, >>>>>>>>>>> Avra >>>>>>>>>>>
>>>>>         >>>>>>>>>>> On 09/19/2016 07:52 PM, sriram at marirs.net.in
>>>>>         <mailto:sriram at marirs.net.in> wrote: >>>>>>>>>>>> Hi Avra,
>>>>>         >>>>>>>>>>>> >>>>>>>>>>>> Do you have a bug id for this
>>>>>         changes? Or may I raise a new one? >>>>>>>>>>>>
>>>>>         >>>>>>>>>>>> Sriram >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>>
>>>>>         On Fri, Sep 16, 2016, at 11:37 AM, sriram at marirs.net.in
>>>>>         <mailto:sriram at marirs.net.in> wrote: >>>>>>>>>>>>> Thanks
>>>>>         Avra, >>>>>>>>>>>>> >>>>>>>>>>>>> I'll send this patch to
>>>>>         gluster master in a while. >>>>>>>>>>>>> >>>>>>>>>>>>>
>>>>>         Sriram >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> On Wed,
>>>>>         Sep 14, 2016, at 03:08 PM, Avra Sengupta wrote:
>>>>>         >>>>>>>>>>>>>> Hi Sriram, >>>>>>>>>>>>>> >>>>>>>>>>>>>>
>>>>>         Sorry for the delay in response. I started going through
>>>>>         the commits in the github repo. I finished going through
>>>>>         the first commit, where you create a plugin structure and
>>>>>         move code. Following is the commit link: >>>>>>>>>>>>>>
>>>>>         >>>>>>>>>>>>>>
>>>>>         https://github.com/sriramster/glusterfs/commit/7bf157525539541ebf0aa36a380bbedb2cae5440
>>>>>         <https://www.google.com/url?q=https%3A%2F%2Fgithub.com%2Fsriramster%2Fglusterfs%2Fcommit%2F7bf157525539541ebf0aa36a380bbedb2cae5440&sa=D&usd=2&usg=AFQjCNEo6QDZCzyg9yMQ4mqkY0zM6Z9krg>
>>>>>         >>>>>>>>>>>>>> >>>>>>>>>>>>>> FIrst of all, the overall
>>>>>         approach of using plugins, and maintaining plugins that is
>>>>>         used in the patch is in sync with what we had discussed.
>>>>>         There are some gaps though, like in the zfs functions the
>>>>>         snap brick is mounted without updating labels, and in
>>>>>         restore you perform a zfs rollback, which significantly
>>>>>         changes the behavior between how a lvm based snapshot and
>>>>>         a zfs based snapshot. >>>>>>>>>>>>>> >>>>>>>>>>>>>> But
>>>>>         before we get into these details, I would request you to
>>>>>         kindly send this particular patch to the g
>>>>>
>>>>>         /When/
>>>>>         	Tue Dec 20, 2016 2:30pm – 3:30pm India Standard Time
>>>>>         /Calendar/
>>>>>         	sriram at marirs.net.in <mailto:sriram at marirs.net.in>
>>>>>         /Who/
>>>>>         	
>>>>>>>>>>         asengupt at redhat.com <mailto:asengupt at redhat.com>- organizer
>>>>>>>>>>         rjoseph at redhat.com <mailto:rjoseph at redhat.com>
>>>>>>>>>>         ram at fractalio.com <mailto:ram at fractalio.com>
>>>>>>>>>>         gluster-devel at gluster.org <mailto:gluster-devel at gluster.org>
>>>>>>>>>>         sriram at marirs.net.in <mailto:sriram at marirs.net.in>
>>>>>
>>>>>         Going? *Yes
>>>>>         <https://www.google.com/calendar/event?action=RESPOND&eid=YWJoMmtwNHAzc3EyNDgybTRjb2llaW1jNm8gc3JpcmFtQG1hcmlycy5uZXQuaW4&rst=1&tok=MTkjYXNlbmd1cHRAcmVkaGF0LmNvbTYyNWZlYjFmYzg2NWRkNGI2YzAyY2FlYmVkMTIwM2VlZmMxZTY0Mzg&ctz=Asia/Calcutta&hl=en>-
>>>>>         Maybe
>>>>>         <https://www.google.com/calendar/event?action=RESPOND&eid=YWJoMmtwNHAzc3EyNDgybTRjb2llaW1jNm8gc3JpcmFtQG1hcmlycy5uZXQuaW4&rst=3&tok=MTkjYXNlbmd1cHRAcmVkaGF0LmNvbTYyNWZlYjFmYzg2NWRkNGI2YzAyY2FlYmVkMTIwM2VlZmMxZTY0Mzg&ctz=Asia/Calcutta&hl=en>-
>>>>>         No
>>>>>         <https://www.google.com/calendar/event?action=RESPOND&eid=YWJoMmtwNHAzc3EyNDgybTRjb2llaW1jNm8gc3JpcmFtQG1hcmlycy5uZXQuaW4&rst=2&tok=MTkjYXNlbmd1cHRAcmVkaGF0LmNvbTYyNWZlYjFmYzg2NWRkNGI2YzAyY2FlYmVkMTIwM2VlZmMxZTY0Mzg&ctz=Asia/Calcutta&hl=en>*
>>>>>         more options »
>>>>>         <https://www.google.com/calendar/event?action=VIEW&eid=YWJoMmtwNHAzc3EyNDgybTRjb2llaW1jNm8gc3JpcmFtQG1hcmlycy5uZXQuaW4&tok=MTkjYXNlbmd1cHRAcmVkaGF0LmNvbTYyNWZlYjFmYzg2NWRkNGI2YzAyY2FlYmVkMTIwM2VlZmMxZTY0Mzg&ctz=Asia/Calcutta&hl=en>
>>>>>
>>>>>
>>>>>         Invitation from Google Calendar
>>>>>         <https://www.google.com/calendar/>
>>>>>
>>>>>         You are receiving this courtesy email at the account
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>>>>>         you are an attendee of this event.
>>>>>
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