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...RHEV cluster On Tue, Jan 14, 2014 at 08:07:43AM +0000, Исаев Виталий Анатольевич wrote: > [00072ms] /usr/libexec/qemu-kvm \ > -global virtio-blk-pci.scsi=off \ > -nodefconfig \ > -nodefaults \ > -nographic \ > -drive file=/dev/mapper/1a9aa971--f81f--4ad8--932f--607034c924fc-666faa62--da73--4465--aed2--912119fcf67f,snapshot=on,if=virtio \ > -nodefconfig \ > -machine accel=kvm:tcg \ > -m 500 \ > -no-reboot \ > -device virtio-serial \ > -serial stdio \ > -device sga \ > -chardev socket,pa...

...xml file attached); 2. I determine the disk_image_id of the VM’s bootable disk (look at the image_id node in “disks” xml file attached); 3. Now I go to the RHEV-H to look for the disk image itself: [root@rhevh1 /]# find / -name cc6e4400-7c98-4170-9075-5f5790dfcff3 /dev/1a9aa971-f81f-4ad8-932f-607034c924fc/cc6e4400-7c98-4170-9075-5f5790dfcff3 /var/lib/stateless/writable/rhev/data-center/mnt/blockSD/1a9aa971-f81f-4ad8-932f-607034c924fc/images/8a3e02de-d8ab-4357-ba8c-490f3ba3e85c/cc6e4400-7c98-4170-9075-5f5790dfcff3 /rhev/data-center/mnt/blockSD/1a9aa971-f81f-4ad8-932f-607034c924fc/im...

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...cluster, while all the Preallocated disks were handled with > libguestfs correctly. I guess these issues were caused by (b) and > probably (c) reasons: > > The backing file of any of the thin provisioned disks does not exist. For instance let’s consider the /dev/mapper/1a9aa971--f81f--4ad8--932f--607034c924fc-666faa62--da73--4465--aed2--912119fcf67f symbolic link pointing to /dev/dm-30 : > [root@rhevh1 mapper]# pwd > /dev/mapper > [root@rhevh1 mapper]# qemu-img info 1a9aa971--f81f--4ad8--932f--607034c924fc-666faa62--da73--4465--aed2--912119fcf67f > image: 1a9aa971--f81f--...

On Fri, Jan 17, 2014 at 02:38:43PM +0000, Исаев Виталий Анатольевич wrote: > 3. Now I go to the RHEV-H to look for the disk image itself: > > [root@rhevh1 /]# find / -name cc6e4400-7c98-4170-9075-5f5790dfcff3 > /dev/1a9aa971-f81f-4ad8-932f-607034c924fc/cc6e4400-7c98-4170-9075-5f5790dfcff3 > /var/lib/stateless/writable/rhev/data-center/mnt/blockSD/1a9aa971-f81f-4ad8-932f-607034c924fc/images/8a3e02de-d8ab-4357-ba8c-490f3ba3e85c/cc6e4400-7c98-4170-9075-5f5790dfcff3 > /rhev/data-center/mnt/blockSD/1a9aa971-f81f-4ad8-932f-60703...

-----Original Message----- From: Richard W.M. Jones [mailto:rjones@redhat.com] Sent: Thursday, January 16, 2014 8:58 PM To: Исаев Виталий Анатольевич Cc: libguestfs@redhat.com Subject: Re: [Libguestfs] LVM mounting issue On Thu, Jan 16, 2014 at 03:57:50PM +0000, Исаев Виталий Анатольевич wrote: > Hello, It's me again with one more misunderstanding of libguestfs usage... > Guestfish

On Tue, Jan 14, 2014 at 08:07:43AM +0000, Исаев Виталий Анатольевич wrote: > [00072ms] /usr/libexec/qemu-kvm \ > -global virtio-blk-pci.scsi=off \ > -nodefconfig \ > -nodefaults \ > -nographic \ > -drive file=/dev/mapper/1a9aa971--f81f--4ad8--932f--607034c924fc-666faa62--da73--4465--aed2--912119fcf67f,snapshot=on,if=virtio \ > -nodefconfig \ > -machine accel=kvm:tcg \ > -m 500 \ > -no-reboot \ > -device virtio-serial \ > -serial stdio \ > -device sga \ > -chardev socket,path=/tmp/...

...and use for the simulation clobbers some memory (although I already added some sanity checks). But please let me know when you hear about this bug another time (or have an idea how to debug this or have a solution). Thank you, Andreas -- Andreas Westfeld, 0432 01CC F511 9E2B 0B57 5993 0B22 98F8 4AD8 EEEA <westfeld@inf.tu-dresden.de> http://www.inf.tu-dresden.de/~aw4 TU Dresden Fakult?t Informatik, Institut f?r Systemarchitektur Datenschutz und Datensicherheit, Tel. +49-351-463-37918

...G3 = 1.0; + if (G3 > 2e3) + G3 = 2e3; gradproj = 0.0; for (i = 0; i < n; i++) { t[i] = t[i] * G3 - g[i]; Andreas -- Andreas Westfeld, 0432 01CC F511 9E2B 0B57 5993 0B22 98F8 4AD8 EEEA <westfeld at inf.tu-dresden.de> http://www.inf.tu-dresden.de/~aw4 TU Dresden Fakult?t Informatik, Institut f?r Systemarchitektur Datenschutz und Datensicherheit, Tel. +49-351-463-37918