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E-Series Microsoft Hyper-V cluster shared volume disconnect

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Applies to

  • NetApp SANtricity Storage Manager
  • NetApp E-Series
  • Microsoft Windows Hyper-V
  • HPE DL380 G7
  • Brocade 300

Issue

  • E-Series with Hyper-V cluster shared volumes (CSV) periodically disconnected with no alert on the E-Series
  • No new path error increase detected from storage target ports
  • SCSI reservation conflicts detected
  • Configuration verified "E-Series SAN Host" in Interoperability Matrix Tool IMT

Example:

State-Capture-data - FCDump
2701-A 08.40.50.00
.....Channels.....:...........Target...........:............Initiator..........:                           
  Link :ITN :..........IOs..........:ITN :............IOs...........:.........Busy.........Idle.
  Ch H/D STP Down :cnt : Open Completed  Errs :cnt : Qd  Open  Completed  Errs:           Ms           Ms
---- --- --- ---- :--- :----- ---------- ----- :--- :--- ----- ---------- -----: ------------ -------------
   4 Hst FCP    0 :  9 :   27    1247719 31961 :  0 :  0     0          0     0:      2919345            0
   7 Hst FCP    0 :  9 :   24    3936859 31959 :  0 :  0     0          0     0:      2310801       608544

 

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