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Hi, I''d like to use the blktap utils from https://github.com/xen-org/blktap because of the mirror feature, as the blktap utils comming with xen does not support this. Could anybody explain why there are two different blktap utils (one in git and one comming with xen source) and how to compile the one from git so that it works with libxl ? Any pointers greatly appreciated ;-) Thanks

Hi There, I''ve been trying to get this to work for the last couple of days, but found no information on the internet that would help. Essentially, a tap-ctl opencommand with a qcow2 image does not work (error code 2) and produces the following line in syslog: tap-ctl: tap-err:tap_ctl_open: open failed, err -2 I have attached a shell script that reproduces the problem on my machine. The

...the kernel-debuginfo package, however I cannot find anywhere package kernel-debuginfo-3.18.21-17.el6.x86_64.rpm. In addition, I cannot find anywhere the kernel source RPM in order to build the debuginfo RPM. Should these packages be available in the first place? Am I missing something? -- Thanos Makatos

On 7 March 2016 at 14:42, Johnny Hughes <johnny at centos.org> wrote: > On 03/03/2016 01:22 PM, Thanos Makatos wrote: >> I'm trying to debug what I believe to be a kernel bug >> (https://lists.centos.org/pipermail/centos-devel/2016-March/014463.html) >> and I'm trying to set up systemtap for that. >> >> I'm trying to set up systemtap on kernel 3.18.21-17.el6.x86_64...

...s needed, instructs them to connect to/disconnect from the shared ring, and manages the state of the back-end. The shared ring between the front-end and the tapdisk is provided by a piece of code that lives inside the tapdisk and will be introduced by the next patch series. Signed-off-by: Thanos Makatos <thanos.makatos@citrix.com> --- Changed since v1: The series has been largely reorganised: * Renamed the daemon from xenio to tapback. * Improved description in patch 0. * Merged structures and functions. * Disaggregated functionality from the core daemon source file to smaller ones in or...

Hello. I want to know what is the unit of compression in ZFS. Is it 4 KB or larger? Is it tunnable? Thanks. Thanos -- This message posted from opensolaris.org

.../kernel-3.10.0-514.26.2.el7/linux-3.10.0-514.26.2.el7.x86_64/drivers/block/nbd.o] Error 1 make: *** [nbd.o] Error 2 make: Leaving directory `/root/rpmbuild/BUILD/kernel-3.10.0-514.26.2.el7/linux-3.10.0-514.26.2.el7.x86_64' Was support for NBD dropped or was this just a human error? -- Thanos Makatos

This patch series copies the core of the tapdisk process from blktap2, with updates coming from blktap2.5. Signed-off-by: Thanos Makatos <thanos.makatos@citrix.com>

...t. No init found. Try passing init= bootarg. BusyBox v1.17.1 (Debian 1:1.17.1-8) built-in shell (ash) Enter ''help'' for a list of built-in commands. /bin/sh: can''t access tty; job control turned off (initramfs) (initramfs) So, what am I doing wrong? Regards -- Thanos Makatos _______________________________________________ Xen-users mailing list Xen-users@lists.xen.org http://lists.xen.org/xen-users

...rences and the event channel port, supplied by tapback. Once the ring is created, tapdisk watches the event channel for notifications. When a notification is received, tapdisk extracts the request, parses it, and passes it to the standard tapdisk request queue for processing. Signed-off-by: Thanos Makatos <thanos.makatos@citrix.com>

This patch series introduces the VHD library. It is based on the blktap2 one, with changes coming from the blktap2.5 one. Signed-off-by: Thanos Makatos <thanos.makatos@citrix.com>

...1) performance is pretty much native SSD performance. However, the same test on the 3.18.21-17.el6.x86_64 kernel results in "#usedcacheblocks" being stuck to "2" and no performance improvement is observed. Any ideas what could be wrong? How can I further debug this? -- Thanos Makatos

On 03/03/2016 01:22 PM, Thanos Makatos wrote: > I'm trying to debug what I believe to be a kernel bug > (https://lists.centos.org/pipermail/centos-devel/2016-March/014463.html) > and I'm trying to set up systemtap for that. > > I'm trying to set up systemtap on kernel 3.18.21-17.el6.x86_64 (Xen > 4.4.3-10...

...d: 4 times kyoko/password: 4 times language/password: 4 times lchiro/password: 4 times lekhraj/password: 4 times letmein/password: 4 times ls/password: 4 times magic/password: 4 times mai/password: 4 times maiko/password: 4 times makato/password: 4 times mamoru/password: 4 times man/password: 4 times manish/password: 4 times manoj/password: 4 times mar/password: 4 times mareo/password: 4 times mariko/password: 4 times marilko/password: 4 times maro/password: 4 times...