Add unmap support for jiva volume #2975
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@utkarshmani1997 Is this issue related? longhorn/longhorn#836 |
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It is @semekh |
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Issues go stale after 90d of inactivity. |
kmova
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Refer: [GOVERNANCE.md](https://github.com/openebs/openebs/blob/master/GOVERNANCE.md). The following community members have been helping with enhancing and testing of several areas of the OpenEBS project that broadly fall in the purview of the control plane. Based on their past contributions and their interest/commitment to contributing to OpenEBS, we take pride in adding them as reviewers to the OpenEBS project. The list of community members in alphabetical order are: - Mehran Kholdi for the contributions to the Local PV and control plane in general. ``` - openebs#2975 - 40+ commits in https://github.com/openebs/rawfile-localpv ``` - Michael Fornaro for the contributions to the ARM, Multi-arch builds and helm charts that fall under control plane. ``` - openebs/e2e-tests#405 - openebs#3038 - openebs#3023 - openebs#3037 - openebs#1295 - openebs/linux-utils#5 - openebs/node-disk-manager#446 - openebs/node-disk-manager#449 - openebs/node-disk-manager#428 ``` - Peeyush Gupta for the contributions to the Power builds and control plane in general. ``` - openebs/charts#127 - openebs/node-disk-manager#448 - openebs/maya#1632 - openebs/jiva#279 - openebs/maya#667 - openebs/istgt#131 - openebs/maya#561 - openebs/maya#750 ``` Signed-off-by: kmova <kiran.mova@mayadata.io>
kmova
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Jul 15, 2020
Refer: [GOVERNANCE.md](https://github.com/openebs/openebs/blob/master/GOVERNANCE.md). The following community members have been helping with enhancing and testing of several areas of the OpenEBS project that broadly fall in the purview of the control plane. Based on their past contributions and their interest/commitment to contributing to OpenEBS, we take pride in adding them as reviewers to the OpenEBS project. The list of community members in alphabetical order are: - Mehran Kholdi for the contributions to the Local PV and control plane in general. ``` - #2975 - 40+ commits in https://github.com/openebs/rawfile-localpv ``` - Michael Fornaro for the contributions to the ARM, Multi-arch builds and helm charts that fall under control plane. ``` - openebs/e2e-tests#405 - #3038 - #3023 - #3037 - #1295 - openebs/linux-utils#5 - openebs/node-disk-manager#446 - openebs/node-disk-manager#449 - openebs/node-disk-manager#428 ``` - Peeyush Gupta for the contributions to the Power builds and control plane in general. ``` - openebs/charts#127 - openebs/node-disk-manager#448 - openebs/maya#1632 - openebs/jiva#279 - openebs/maya#667 - openebs/istgt#131 - openebs/maya#561 - openebs/maya#750 ``` Signed-off-by: kmova <kiran.mova@mayadata.io>
Akshay-Nagle
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Oct 7, 2020
Refer: [GOVERNANCE.md](https://github.com/openebs/openebs/blob/master/GOVERNANCE.md). The following community members have been helping with enhancing and testing of several areas of the OpenEBS project that broadly fall in the purview of the control plane. Based on their past contributions and their interest/commitment to contributing to OpenEBS, we take pride in adding them as reviewers to the OpenEBS project. The list of community members in alphabetical order are: - Mehran Kholdi for the contributions to the Local PV and control plane in general. ``` - openebs#2975 - 40+ commits in https://github.com/openebs/rawfile-localpv ``` - Michael Fornaro for the contributions to the ARM, Multi-arch builds and helm charts that fall under control plane. ``` - openebs/e2e-tests#405 - openebs#3038 - openebs#3023 - openebs#3037 - openebs#1295 - openebs/linux-utils#5 - openebs/node-disk-manager#446 - openebs/node-disk-manager#449 - openebs/node-disk-manager#428 ``` - Peeyush Gupta for the contributions to the Power builds and control plane in general. ``` - openebs/charts#127 - openebs/node-disk-manager#448 - openebs/maya#1632 - openebs/jiva#279 - openebs/maya#667 - openebs/istgt#131 - openebs/maya#561 - openebs/maya#750 ``` Signed-off-by: kmova <kiran.mova@mayadata.io> Signed-off-by: Kung Fu Panda <akshay_1901cb06@iitp.ac.in>
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Issues go stale after 90d of inactivity. |
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Description
When any data is written at the client side (iscsi) it is replicated to all the n no of jiva replicas. If the space is freed from the client side it is not freed at the replica side because jiva frontend (gotgt) doesn't support unmap.
Context
Since replicas consume some storage space unnecessarily, it should also do cleanup at the replica side.
Possible Solution
Jiva replicas implement unmap but it is not enabled from the [frontend] (https://github.com/gostor/gotgt) for remote backend. So implementation at frontend side is required to support this feature.
Also if this volume needs to be used for some other applications/databases, it is still usable and the data will be overwritten at the replica side and replica will reclaim the space.
Screenshots
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