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<p class="MsoPlainText"><span lang="EN-US" style="mso-fareast-language:RU">-----Original Message-----<br>
From: Richard W.M. Jones [mailto:rjones@redhat.com] <br>
Sent: Thursday, January 16, 2014 8:58 PM<br>
To: </span><span style="mso-fareast-language:RU">Исаев</span><span style="mso-fareast-language:RU">
</span><span style="mso-fareast-language:RU">Виталий</span><span style="mso-fareast-language:RU">
</span><span style="mso-fareast-language:RU">Анатольевич</span><span lang="EN-US" style="mso-fareast-language:RU"><br>
Cc: libguestfs@redhat.com<br>
Subject: Re: [Libguestfs] LVM mounting issue</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText">On Thu, Jan 16, 2014 at 03:57:50PM +0000, Исаев Виталий Анатольевич wrote:<o:p></o:p></p>
<p class="MsoPlainText">> Hello, It's me again with one more misunderstanding of libguestfs usage...<o:p></o:p></p>
<p class="MsoPlainText">> Guestfish (as well as python libguestfs module) refuse to mount logical volume containing the root partition of the VM's filesystem.<o:p></o:p></p>
<p class="MsoPlainText">> According to this short guide<<a href="http://rwmj.wordpress.com/2009/04/07/libguestfs-lvm-support/"><span style="color:windowtext;text-decoration:none">http://rwmj.wordpress.com/2009/04/07/libguestfs-lvm-support/</span></a>> I am
trying to mount /dev/vg_kojit/lv_root as "/", but nothing works:<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> [root@rhevh1 integrity]#<o:p></o:p></p>
<p class="MsoPlainText">> [root@rhevh1 integrity]#<o:p></o:p></p>
<p class="MsoPlainText">> [root@rhevh1 integrity]#<o:p></o:p></p>
<p class="MsoPlainText">> [root@rhevh1 integrity]# guestfish<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> Welcome to guestfish, the libguestfs filesystem interactive shell for
<o:p></o:p></p>
<p class="MsoPlainText">> editing virtual machine filesystems.<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> Type: 'help' for help on commands<o:p></o:p></p>
<p class="MsoPlainText">> 'man' to read the manual<o:p></o:p></p>
<p class="MsoPlainText">> 'quit' to quit the shell<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> ><fs> add /dev/dm-40<o:p></o:p></p>
<p class="MsoPlainText">> ><fs> run<o:p></o:p></p>
<p class="MsoPlainText">> ><fs> inspect_os<o:p></o:p></p>
<p class="MsoPlainText">> ><fs> pvs<o:p></o:p></p>
<p class="MsoPlainText">> /dev/vda2<o:p></o:p></p>
<p class="MsoPlainText">> unknown device<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Hang on, "unknown device" is literally printed here?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Which version of libguestfs?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">> ><fs> lvs<o:p></o:p></p>
<p class="MsoPlainText">> /dev/vg_kojit/lv_root<o:p></o:p></p>
<p class="MsoPlainText">> /dev/vg_kojit/lv_swap<o:p></o:p></p>
<p class="MsoPlainText">> ><fs> mount /dev/vg_kojit/lv_root /<o:p></o:p></p>
<p class="MsoPlainText">> libguestfs: error: mount: mount_stub: /dev/vg_kojit/lv_root: No such
<o:p></o:p></p>
<p class="MsoPlainText">> file or directory<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">This could be a bug.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Can you add the -v -x options to guestfish and show us the complete, unedited messages.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Rich.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">--<o:p></o:p></p>
<p class="MsoPlainText">Richard Jones, Virtualization Group, Red Hat <a href="http://people.redhat.com/~rjones">
<span style="color:windowtext;text-decoration:none">http://people.redhat.com/~rjones</span></a> Read my programming blog:
<a href="http://rwmj.wordpress.com"><span style="color:windowtext;text-decoration:none">http://rwmj.wordpress.com</span></a> Fedora now supports 80 OCaml packages (the OPEN alternative to F#)<span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US" style="color:black"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US" style="color:black"><o:p> </o:p></span></p>
<p class="MsoPlainText" style="margin-left:35.4pt"><span lang="EN-US" style="color:black">Be sure, that “unknown device” was not written by me :)
<o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:35.4pt"><span lang="EN-US" style="color:black">I use libguestfs 1.16.34:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:70.8pt;text-autospace:none"><span lang="EN-US" style="font-family:"Courier New"">[root@rhevh1 ~]# rpm -qa | grep guest<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:70.8pt;text-autospace:none"><span lang="EN-US" style="font-family:"Courier New"">libguestfs-1.16.34-2.el6.x86_64<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:70.8pt;text-autospace:none"><span lang="EN-US" style="font-family:"Courier New"">libguestfs-winsupport-1.0-7.el6.x86_64<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:70.8pt;text-autospace:none"><span lang="EN-US" style="font-family:"Courier New"">python-libguestfs-1.16.34-2.el6.x86_64<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:70.8pt;text-autospace:none"><span lang="EN-US" style="font-family:"Courier New"">libguestfs-tools-c-1.16.34-2.el6.x86_64<o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:35.4pt"><span lang="EN-US" style="color:black"><o:p> </o:p></span></p>
<p class="MsoPlainText" style="margin-left:35.4pt"><span lang="EN-US" style="color:black">Full trace of the guestfish session is attached to this message.
<o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:35.4pt"><span lang="EN-US" style="color:black"><o:p> </o:p></span></p>
<p class="MsoPlainText" style="margin-left:35.4pt"><span lang="EN-US" style="color:black">Sincerely,<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:10.0pt;mso-fareast-language:RU">Vitaly Isaev<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:10.0pt;color:gray;mso-fareast-language:RU">Software engineer<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:10.0pt;color:gray;mso-fareast-language:RU">Information security department<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:10.0pt;color:gray;mso-fareast-language:RU">Fintech JSC, Moscow, Russia<o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:35.4pt"><span lang="EN-US" style="color:black"><o:p> </o:p></span></p>
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