Re: [smartmontools-support] Msft / Virtual Disk

[Jochen W. - C. G. <jw...@co...>]

Hi Christian,

>> I wonder that a (mirrored) virtual disk can make trouble...?!?
>It doesn't.
>Virtual machines simply do not emulate (or pass-through) the optional commands 
>used by smartctl to get diagnostic info.
>https://www.smartmontools.org/wiki/FAQ#DosmartctlandsmartdrunonavirtualmachineguestOS

Yes, so my expected behaviour of smartmon in a VM was to never report anything because there is nothing to monitor.
But then, I got the message below...
>>>>> Terminate command early due to bad response to IEC mode page
>>> A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options.

It seems to be a "false positive" from my point of view.

Regards
Jochen

-----Ursprüngliche Nachricht-----
Von: Christian Franke [mailto:Chr...@t-...] 
Gesendet: Mittwoch, 3. August 2016 07:36
An: Administrator (CompuMaster GmbH) <ad...@co...>
Cc: sma...@li...
Betreff: Re: [smartmontools-support] Msft / Virtual Disk

Jochen wrote:
> Hello together,
>
> I've got following message (by e-mail) from my ubuntu system (running on a MS Windows Hyper-V Server 2012 R2):
>
>
> smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-31-generic] (local 
> build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, 
> www.smartmontools.org
>
> === START OF INFORMATION SECTION ===
> Vendor:               Msft
> Product:              Virtual Disk
> Revision:             1.0
> User Capacity:        160.041.885.696 bytes [160 GB]
> Logical block size:   512 bytes
> LU is thin provisioned, LBPRZ=0
>>> Terminate command early due to bad response to IEC mode page
> A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options.
>
>
> A manual execution of -T and additional calls remains without any results:
> ...
> SMART Health Status: OK
> ...
> Error Counter logging not supported
> ...
>
> I wonder that a (mirrored) virtual disk can make trouble...?!?

It doesn't.

Virtual machines simply do not emulate (or pass-through) the optional commands used by smartctl to get diagnostic info.
https://www.smartmontools.org/wiki/FAQ#DosmartctlandsmartdrunonavirtualmachineguestOS

Run smartctl on host instead of guest system.

Regards,
Christian


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