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btl/openib: enable connecting processes from different subnets. #1030
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@alinask With this update, does the IB FAQ on the Open MPI web site need to be changed? I have a dim recollection that there is at least one (or more?) entries about subnets. |
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@jsquyres You are right, there is an entry for subnet prefix. I will update it once this commit goes into this branch. |
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Test PASSed. |
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👍 |
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@rhc54 could you merge this, please? We'd like to get it covered under our MTT as soon as possible. |
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@alinask can you please rebase this to resolve the conflicts? |
Adapted from the master branch from commit 8f1838d + Added an mca parameter to allow connecting processes from different subnets. Its current default value is 'false' - don't allow, to keep the current flow the way it is now. + rmdacm: when calling ibv_query_gid, use the gid index from btl_openib_gid_index. + config: added the missing --enable-openib-rdmacm-ibaddr configure option.
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Test PASSed. |
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btl/openib: enable connecting processes from different subnets.
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Adapted from the master branch from commit
8f1838d
subnets. Its current default value is 'false' - don't allow, to keep the
current flow the way it is now.
btl_openib_gid_index.
option.