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VMware Atomic Test and Set ハートビートは、ストレージへの接続に影響を及ぼします

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のしんだ

環境

  • Data ONTAP    
  • SANプロトコル(iSCSIおよびFC)
  • VMware vSphere 5.5U2 以上

問題

  • ESXiホストでLUNのリセットが繰り返し発生する。  たとえば 、vmkernel.logから、次のようなイベントが表示されます。

2022-04-04T12:33:17.949Z: [scsiCorrelator] 5693120512199us: [vob.scsi.scsipath.por] Power-on Reset occurred on naa.600a0980xxxxxxxxxxxxxxxxxxxxxxx
 

  • LUNのリセットに加えて、データストアのハートビートのタイムアウトも確認されています。

2022-04-04T08:03:16.087Z: [vmfsCorrelator] 5677371531974us: [esx.problem.vmfs.heartbeat.timedout] xxxxxxxx-xxxxxxxx-xxx-xxxxxxxxxxx lun_vmfs_1

"Loss of access to volume (LUN_xyz) due to connectivity problems. A recovery attempt is underway and the result will be transmitted shortly."

SCSI 2の予約

2022-04-04T08:03:31.105Z cpu1:2097761)NMP: nmp_PathDetermineFailure:3560: SCSI cmd RESERVE failed on path vmhba64:C2:T1:L3, reservation state on device naa.600a0980383136446f3f4e4c5a484355 is unknown.
 

ATSの比較と書き込み

2022-04-04T09:35:44.604Z cpu16:2098262)NMP: nmp_ThrottleLogForDevice:3872: Cmd 0x89 (0x45baf02353c0, 2099582) to dev "naa.600a0980xxxxxxxxxxxxxxxxxxxxxxx" on path "vmhba64:C3:T1:L2" Failed: H:0x0 D:0x2 P:0x0 Valid sense data: 0xe 0x1d 0x0. Act:NONE
 

 

 

 

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