similar to: Storage Recommendations

Hi, I am using xen 4.0.1 from debian Squeeze repositories and dom0 has kernel 2.6.32-5-xen-amd64(also stock debian). I wanted to set a high value to maxmem in my xmdomain.cfg vm config files so that I can increase memory as needed without rebooting. Unfortunately as soon as I set this paramater I see really wiered things. For example, I am trying to install a windows HVM guest. When maxmem is

Hi; Currently I am running xen 3.4.2 on one of my Centos servers , I want to upgrade to latest version of xen but I dont know if I should upgrade to latest branch of xen 3 or xen 4 ? is xen 4 backward compatible with xen 3 VMs ? does it provide any performance benefit compared to xen 3 ? What is your recommendation ? Regards

Hello, I am using Xen 4.0.1 and Xen 3.2.1 dom0 with Debian Lenny and Squeeze dom0s. I have a bunch of virtual machines running , all using LVM as backend storage. Mostly, an LVM logical volume is mapped to a partition in the VM (eg: xvda1) I have tried to hot resize the filesystem in the VM without umounting it but it just do not work... Here is what I did: - lvextend on the dom0, -

I had temporarily started a VM, and it has allocated the memory for it. I have realised that after turning it down, the memory allocated to it, has remained reserved. Now, I need it for Dom0. So, how do I release the RAM that is reserved for VM, and make it available to Dom0? Is reboot the only option? _______________________________________________ Xen-users mailing list

Hello, I want to change XEN source code after that I will copile it, and I will survey change''s effect. I have ubuntu 11.4 and centos 5.2. Which of the linux distributions is suitable for my job? thanks _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

Hi Has anyone got any ideas on a nfs/nas appliance that i can install on x86 hardware with a few JBOD shelves attached to it. I would like an appliance like install and based on CentOS would be great. I really like the look of www.openfiler.com but it seems to be only in RC release stage so i don't think the 'boss' would like that idea. thanks

Greetings all. Some small question regarding schedule poll operation hypercall. 1. struct sched_poll poll.timeout is measured in what unit of time? Secs, ms? ns? 2. After issuing the hypercall_sched_op(SCHEDOP_poll, &poll); if no timeout is used in poll struct how long will I yield the CPU? 3. If I issue the hypercall and the event never comes is it possible to to yield the CPU for ever?

Hi, when user create the virtual machine, then: which code execute firstly, hvmloaer or qemu-dm?I have traced the codes flow and found qemu-dm run before hvmloader,right? And virtual bios code are both in hvmloader and qemu-dm, but I think it should be only one of virtual bios will be used to initialize the virutal device in qemu-dm.I find at the end of hvmloader it will jmp to 0xffff0, that

Hello, I am tryiong to set up a Dom0, right now my problem is creating the first guest. This is xen unstable tip ubuntu running jeremy kernel I have this: daniel@dani-ubuntu-xen:/usr/sbin$ sudo xm info [sudo] password for daniel: Error: Unable to connect to xend: No such file or directory. Is xend running? daniel@dani-ubuntu-xen:/usr/sbin$ Yet, xl reports this: daniel@dani-ubuntu-xen:/usr/sbin$

Hai, I use following steps for LV backup. * lvcreate -L 5G -s -n lv_snapshot /dev/VG_XenStorage-7b010600-3920-5526-b3ec-6f7b0f610f3c/VHD-a2db885c-9ad0-46c3-b2c3-a30cb71d83f8 lv_snapshot created* This command worked properly Then issue kpartx command kpartx -av

Hai, I use following steps for LV backup. * lvcreate -L 5G -s -n lv_snapshot /dev/VG_XenStorage-7b010600-3920-5526-b3ec-6f7b0f610f3c/VHD-a2db885c-9ad0-46c3-b2c3-a30cb71d83f8 lv_snapshot created* This command worked properly Then issue kpartx command kpartx -av

There seems to be an outdated page to use PV drivers here: http://wiki.xensource.com/xenwiki/XenWindowsGplPv I''d be great if that could be updated. After installing the PV drivers in windows I didn''t notice any difference in performance at all. Windows says the drivers are working. Some more searching and reading and it appears that I do actually need to make some changes to

Hello List, I have a small problem with the ring when transferring blocks the id on the response is different from the request. This is the boot up read, count 0. The guest requests block 0, it has to be located at 7c00. I go ahead and create a REQUEST with this data: ring_req = RING_GET_REQUEST(priv,priv->req_prod_pvt); ring_req->id = 9; ring_req->nr_segments=1; ring_req->operation

I have a 24 x 1TB system being used as an NFS file server. Seagate SAS disks connected via an LSI 9211-8i SAS controller, disk layout 2 x 11 disk RAIDZ2 + 2 spares. I am using 2 x DDR Drive X1s as the ZIL. When we write anything to it, the writes are always very bursty like this: ool 488K 20.0T 0 0 0 0 xpool 488K 20.0T 0 0 0 0 xpool

Hello, I to issue a grant on a page, but only partially. I have a pointer to somewhere in memory and need to issue the grant for such a pointer but not to the entire page. I know FLAG GTF_sub_page is used for that purpose but grant_entry_v1 apparently has no fields for sub_page, should I change the code to use Version 2 grant table entries? Thanks, Daniel -- +-=====---------------------------+

If you use any NAS (or a SAN) devices, what do you use? And I''m referring more to larger scale network storage than your home PC or home theater system. We''ve had very good experiences with our NetGear ReadyNAS devices but I''m in the market for something new. The NetGear''s aren''t the cheapest ones around but they do what it says on the box. My only

If you use any NAS (or a SAN) devices, what do you use? And I''m referring more to larger scale network storage than your home PC or home theater system. We''ve had very good experiences with our NetGear ReadyNAS devices but I''m in the market for something new. The NetGear''s aren''t the cheapest ones around but they do what it says on the box. My only

Bonjour, J''aimerai mettre en place un cluster sous Xen ou XenServer avec 2 serveurs dell R 710. J''aimerai pouvoir monter un cluster en utilisant l''espace disque entiere des 2 serveurs cumulés ainsi que la mémoire Quelles sont vos retour d''expériences et vos configurations? Merci d''avance Cordialement Mat

Hi, I'm looking at using Linux as a NAS / SAN device, and would like some input from other's who have done this before? How would it compare to commercial SAN devices, Thecus N8800SAS (http://www.thecus.com/products_over.php?cid=11&pid=177&set_language=english) or something similar to these? I would probably use hardware RAID 10, and could go with either SAS / SATA, and then

I''ve been doing a lot of reading about ZFS lately, and I''m quite enamored of its design goals. The reliability considerations are particularly attractive, and the snapshot scheme is more robust than anything I''m familiar with. I would very much like to keep my personal data in such a filesystem. Some time ago, I caught the launch of Drobo, a USB-connected box that does