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<p class="MsoNormal"><span lang="EN-US">When using DataCore </span>“<span lang="EN-US">Virtual Disk</span>”<span lang="EN-US">products recently, i got a problem. Dm device could not be created<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">in path_discover as get_prio() was not able to get priority in alua prio mode. The default_hw is below:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">{<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> .vendor = "DataCore",<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> .product = "Virtual Disk",<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> .features = DEFAULT_FEATURES,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> .hwhandler = DEFAULT_HWHANDLER,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> .pgpolicy = GROUP_BY_PRIO,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> .pgfailback = -FAILBACK_IMMEDIATE,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> .rr_weight = RR_WEIGHT_NONE,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> .checker_name = TUR,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> .prio_name = PRIO_ALUA,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> .prio_args = NULL,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">}<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">But if a new path is added when the dm device was already created, it will be added to the dm device
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">successfully just because ev_add_path() will not care the path prio while coalesce_paths() will check<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">the path priority and set the mpp action to ACT_REJECT. Is there any solution to solve this problem</span>？<span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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