On Sat, Nov 18, 2017 at 4:49 PM, Fred Gansevles <f...@betterbe.com> wrote:
> Hi, > > Currently our company has +/- 50 apps where every app has its own > data-area on NFS. > We need to switch S3, using Ceph, as our new data layer with > every app using its own s3-bucket, equivalent to the NFS data-area. > The sizes of the data-areas, depending on the app, varies from 1.3 GB to > 358 GB. > > In order to test multiple versions of the app, we currently make a > writable snapshot of > the data-area to avoid copying or 'polluting' the original (i.e. > 'production' data). > Since a snapshot is fast we can make multiple snapshots easy and discard > them > afterwards. > > With Ceph, we would like to do something alike, i.e. 'fast' copying and > easily discardable. > The path we are trying to take is: make a 'clone' of the bucket (i.e. > writable > snapshots) into a test-bucket. > why not S3 multiversion? > > Our design for this is the following: > - We need to have every app bucket in its own unique pool-set. > - (on the ceph-nodes) determine the pool-set that is used by the given > bucket > - (on the ceph-nodes) make snapshots of the pools and assign these > snapshots to > an newly created (writable!) test-bucket. > - after the test is finished, the test-bucket can be removed (either from > the ceph-node > or the test system). > > The test-procedure that is testing the app is aware of its environment, > i.e.: it > 'knows' that it has to do specials things to get a test-bucket. The app > itself isn not > aware of this, and just uses whatever bucket is passed to it. > > This way the test procedure can use the test-bucket and does not interfere > with the > original data and the app can be run 'as-is' without changing the code. > > I have the following question: > Is this scenario at all possible? > - if yes: how can I accomplish this? > - if no: is this a design-flaw (it can be done, just not this way) > or its simply not possible. > > -- > > Best regards, > > Fred Gansevles > *Devops Engineer* > <https://www.betterbe.com> > Auke Vleerstraat 140 E *T* +31 (0) 53 48 00 680 > <+31%20%280%29%2053%2048%2000%20680> > 7547 AN Enschede *E* fgansev...@betterbe.com > CC no. 08097527 > <https://www.kvk.nl/orderstraat/product-kiezen/?kvknummer=080975270000> > *M* +31 (0)6 30 262 174 <+31%20%280%296%2030%20262%20174> www.betterbe.com > BetterBe accepts no liability for the content of this email, or for the > consequences of any actions taken on the basis of the information provided, > unless that information is subsequently confirmed in writing. If you are > not the intended recipient you are notified that disclosing, copying, > distributing or taking any action in reliance on the contents of this > information is strictly prohibited. > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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