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Re: Misc.APDHandlingEnable, preventing hostd failures and impact on VMs

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>And that even though the outage of 10-15m lasted way longer than the GuestOS SCSI timeout (60-180s) by the way

 

This is something i'm currently wondering about.


I`m doing some testing with linux and forefully shutdown an iscsi storage - but despite all tuning at esx or linux vm level (esx Misc.APDTimeout=20 , Scsi.FailVMIOonAPD=1 and   linux scsi timeout set to 30s), i observe SCSI I/O to fail much later inside the VM as expected. (it needs at least 5 minutes to fail)

 

can someone explain ?


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