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Ran 17 Dec 2017 02:07PM UTC

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Committed 17 Dec 2017 02:04PM UTC coverage: 54.801% (-0.02%) from 54.819%

Job # 900.1

Build Type

push

travis-ci

Committed by

web-flow

Commit Message

Improve performance for multipathing Discovery AND do deep Discovery only for IBM devices (PR #171)

Improve performance for mpath Discovery method - no need to do deepDiscovery during Attachment. More details:
1. Do NOT do sg_inq deepDiscovery during the RescanAll in the attach flow.
   Its waist of time to do deepDiscovery in this case, since its already done after the RescanAll when discovering the new device.

2. Do sg_inq deepDiscovery only in the following cases:
  1.2.1. During the attach after the RescanAll
  1.2.2. When Discover for cleanup(unmount flow).

3. Remove double sg_inq validation if discover during deepDiscovery

4. Remove Stat(mpath) validation during Discover, since its already validated during GetWwnByScsiInq() or DiscoverBySgInq()

5. Fix interfaces, UT and fakes according (Still need to add more UT)

In addition: 
This commit also improve the DiscoverBySgInq - by go though only IBM devices. So in many cases a faulty mpath device will not have vendor IBM on it, so it will skip faulty devices as well.

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