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Mike BroderickFlag for United States of America

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ESXi 5.1, In the VMKWarning.log I am getting multiple warnings: LinScsi: SCSILinuxQueueCommand, driver name: ahci

I have 2 hosts, each with a couple of windows server VMs. Both are getting entries like this about 20 times a day:

WARNING: LinScsi: SCSILinuxQueueCommand:1193:queuecommand failed with status = 0x1056 Unknown status vmhba0:0:0:0 (driver name: ahci) - Message repeated 12 times

The repeated times varies from 1 to about 70 with an average of about 20 retries.

Nothing has failed. Is there something I need to change?

Thanks
VMware

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Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
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Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
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We would not necessarily advise poking around the logs, unless you have an issue, because there are lots of warnings, and noise.

Those are common errors, and can be seen in many VMKernel.log, on many ESXi versions.

Sometimes however, they can suggest virtual host bus adaptor issues, and can be associated with with bad drivers, non-certified hardware, or drivers.

So what is the make and model of server, is it on the VMware HCL, and is the Storage Controller certified for use with ESXi ?

again what build of ESXi are you using.
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The hosts are old Compaq Presario desktops. I seriously doubt they are officially supported. I assume the storage controller is on the motherboard. I checked once but didn't find Presario on the HCL. I will replace the existing hosts with supported hardware as I upgrade someday. Honestly.

I am on ESXi 5.1 U2.

What I was shooting for is maybe I have some settings set wrong somewhere that is causing the warnings. For example, I have SATA drives and some of my VMs' hard drives are defined as SCSI drives. Would that cause this type of problem?

Thanks
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Avatar of Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
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VMware, a software company founded in 1998, was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies. VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture. Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.

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