<div dir="ltr"><div dir="ltr">When you attach a volume to your instance, the volume name for AWS EC2 is "<font face="monospace, monospace"><b>/dev/sdf</b></font>", but the instance OS itself will probably assign a different volume name. <div><br></div><div>You can read more about it here:</div><div><a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/device_naming.html">https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/device_naming.html</a><br></div><div><br></div><div>But for the NetBSD amis, the correct mapping isn't shown at that link.</div><div>If you look at <font face="monospace, monospace"><b>dmesg(8)</b></font> after you mount the volume, you'll see what it gets mounted as<b><font face="monospace, monospace">.</font></b></div><div><b><font face="monospace, monospace"><br></font></b></div>Like the Professor mentioned in the last class, you'll also want to write to the entire disk, which is partition "<font face="monospace, monospace"><b>d</b></font>".</div><div dir="ltr"><br></div><div>Hope this helps,</div><div>Rob</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, May 6, 2019 at 12:47 PM Yuchen Zeng <<a href="mailto:yzeng10@stevens.edu">yzeng10@stevens.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<p style="margin-top:0px;margin-bottom:0px">Did anyone else meet the same problem? I attached a volume on an instance as /dev/sdf, but when I use command <span>tar cf - / |ssh -o stricthostkeychecking=no %s root@instanceDNS "dd of=/dev/sdf".it can only write into <span>/dev/xbd1a
rather than /dev/sdf. What should I do?</span></span></p>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><b>Robert Herley</b><div>Computer Science '19 | Stevens Institute of Technology </div><div>(631) 896-7161 | <a href="http://www.robherley.xyz" target="_blank">www.robherley.xyz</a></div></div></div></div></div></div></div>