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...More, I am using 2.6.31, as far as I know, the blkback is much different from 2.6.32, But I can''t tell the detail, since I know much less on the latest blkback. thanks. From: sahil@cs.toronto.edu Date: Tue, 5 Apr 2011 15:16:57 -0400 Subject: Re: Xen page sharing To: tinnycloud@hotmail.com Hi Mao, Thanks a lot for agreeing to help. I greatly appreciate it. Here is my current page sharing environment configuration: 1. Xen unstable version 4.1.0.rc6; mercurial repository revision #22964 2. Dom0 kernel: linux-2.6-pvops_x86_64 / 2.6.32.28 3. Relevant portions of the DomU...

Hi: I''ve met an ext4 Bug in dom0 kernel 2.6.32.36. (See kernel stack below) 32.36 kernel commit: http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commit;h=ae333e97552c81ab10395ad1ffc6d6daaadb144a The bug only show up in our cluster environments which includes 300 physical machines, one server will run into this bug per day. Running ontop of every server, there are about 30

...ws up. Log attached. Is the timeout better than before? Beside, I think I need find some to examine my harddisk. > Subject: FW: [GIT/PATCH 0/5] Re: [Xen-devel] unfair servicing of DomU vbd requests > Date: Fri, 4 Mar 2011 09:26:44 +1100 > From: james.harper@bendigoit.com.au > To: tinnycloud@hotmail.com > > Ian has posted some patches to xen-devel. Can you apply them to your Dom0 kernel and see if they fix your i/o servicing problem? > > As I understand it, without this patch Dom0 will service the lowest event channel first, so if there is always an io request on the lowe...

Hi Michael: Sorry to brother. But I''ve been suffered this issue quite a long time. My test environment is 2.6.32.36 + xen 4.0.1 + bnx2, 2.3. Also cpu idle is disabled in grub. Grub info: title Red Hat Enterprise Linux Server (2.6.32.36xen) kernel /xen-4.0.1.gz iommu=off x2apic=off console=com1,vga com1=115200,8n1 noreboot cpuidle=0 cpufreq=none

Hi: I''ve confronted one of my HVM domain frequently crash due to qemu-dm quit abnormally. Xend.log [2011-05-18 14:32:44 24651 1301875008] INFO (XendDomain:1259) Domain 322-2.vhd (2645) unpaused. [2011-05-18 14:38:26 24651 1201162560] WARNING (image:552) domain 322-2.vhd: device model failure: pid 8637: died due to signal 7; see /var/log/xen/qemu-dm-322-2.vhd.log [2011-05-18

Hi: I''ve been thought this for a while, I want to build 1000 linux containeres in a HVM, and each container owns 1 block device, so there will 1000 tapdev and 1000 tapdisk process. My question is 1. How many devices domU support? 2. How many tapdev device blktap2 support? 3, Would it be a performance issue in this case? 4. Basically, I want

Hi: Recently I have some study on linux container(lxc), which is a light weight OS level virtualization. With the previous knowledge of tapdisk, I have an assumption that, I may could use the vhd for each container to seperate the storage of all containers, or even in later days, vhd is stored in distributed storage, container could be migrated. Build filesystem on tapdev