Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.

Bug 2061345

Summary: [MTV] migration using rhev as a provider is limited to 3 connections max , on MTV 2.3 regardless default max connection value
Product: Migration Toolkit for Virtualization Reporter: Tzahi Ashkenazi <tashkena>
Component: GeneralAssignee: Jeff Ortel <jortel>
Status: CLOSED NOTABUG QA Contact: Ilanit Stein <istein>
Severity: unspecified Docs Contact: Steve Goodman <sgoodman>
Priority: unspecified    
Version: 2.3.0CC: istein, jortel, mlehrer, sgoodman
Target Milestone: ---Keywords: Regression
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
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Clone Of: Environment:
Last Closed: 2022-03-14 08:56:59 UTC Type: Bug
Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Tzahi Ashkenazi 2022-03-07 12:58:17 UTC 
Description of problem:

running a migration using rhev as a provider is limited to max 4 connections,  on MTV 2.3 regardless default max connection value.
tested with single host , with default max connections which is limited to 20 max  (approved using vmware as provider )  and also with 50 VMs with the value of : 
oc edit cm forklift-controller-config -n openshift-mtv

apiVersion: v1
data:
  MAX_VM_INFLIGHT: "50"

max connection was 3 connections and the bandwidth from the host was around 450MB 

from the rehv host : 

2022-03-07 05:56:03 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  1
2022-03-07 05:56:13 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:56:23 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:56:33 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:56:43 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:56:53 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:57:03 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:57:13 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:57:23 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  3
2022-03-07 05:57:33 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  3
2022-03-07 05:57:44 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  3
2022-03-07 05:57:54 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  3
2022-03-07 05:58:04 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  3
2022-03-07 05:58:14 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  3
2022-03-07 05:58:24 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  3
2022-03-07 05:58:34 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:58:44 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:58:54 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:59:04 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:59:14 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:59:24 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 05:59:34 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  3
2022-03-07 05:59:44 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  3
2022-03-07 05:59:54 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 06:00:04 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 06:00:14 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 06:00:24 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 06:00:34 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 06:00:44 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 06:00:54 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 06:01:04 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  2
2022-03-07 06:01:14 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  1
2022-03-07 06:01:24 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  1
2022-03-07 06:01:34 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  1
2022-03-07 06:01:44 RHV: Num of COPY-DATA (PORT 54322) ESTABLISHED Internal connections:  1


Version-Release number of selected component (if applicable):

MTV 2.3.0-32
CNV 4.10.0-648
OCP 4.10
RHEV 4.4.10-7-001
cloud10
Comment 1 Tzahi Ashkenazi 2022-03-14 08:56:59 UTC 
upgraded cloud10 to MTV 2.3.0-37
run the same cycles again and the issues seems to be fixed 
closing this BZ for now