> -----Original Message----- > From: Olaf Hering [mailto:[email protected]] > Sent: Wednesday, January 30, 2013 5:00 AM > To: KY Srinivasan > Cc: [email protected] > Subject: Re: storvsc loops with No Sense messages > > On Tue, Jan 29, Olaf Hering wrote: > > > On Tue, Jan 29, KY Srinivasan wrote: > > > > > Was the installation done on a vhd or VHDX. I checked with Hyper-V > > > guys and they say they never supported WRITE_SAME. I am wondering how > > > it worked on ws2008. > > > > Its a vhdx image, both fixed and dynamically size have the same issue. > > I will see what happens with ws2008, at least the install proceeds > > without issues. > > I see that WRITE_SAME is also used when running on ws2008, but > appearently it does not cause any issues. > This triggers only when the default ext4 is used, not when I force ext3 > for the root filesystem.
Talking to the MSFT storage guys, WRITE_SAME has never been supported - not on ws2008 or on ws2012. So I am not sure why or how this works on ws2008. K. Y > So to me it looks like ws2012 has issues with WRITE_SAME handling. > > > Is there a way to not use WRITE_SAME at all? While browsing the code its > not clear if there is a conditional for this command. > > > Olaf >
