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Loss of volume access to NetApp E-Series

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Category:
e-series-systems
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esg
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Applies to

  • NetApp E-series
  • SAS connection
  • VMware host

Issue

  • Host frequently looses access to E-series luns :

       clipboard_e7dd60df3ca496c066afe4c074c5a7a09.png

  • Trace buffers report external hard reset  :
 
01/03/24-13:57:18.676709 00 raidSched1         sas    c0004 sastarg      tditn:003 reconnect: Host reconnected
01/03/24-14:03:13.281223 00 ~0000000103594580~ vkiCE ffff CE_WARN 01/03/24-14:03:13.492 External Hard Reset Occured on Port:x1 Channel:5 IOCStatus:x0 IOCLogInfo:x0
01/03/24-14:03:13.281225 00 ~0000000103594580~ sas c0005 sasDisc-ioc port:1 IOCStatus:0x0 IOCLogInfo:0x0 sasProcessEventData: External Hard Reset
01/03/24-14:03:13.281226 00 ~0000000103594580~ sas c0005 sasTarg host connected on ioc:1 port:1 sasProcessHardReset
01/03/24-14:03:13.281227 00 ~0000000103594580~ sas c0005 sasTarg Sending bus reset on ioc:1 port:1 sasProcessHardReset

 

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