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...e got a table that contains a set of categories and I want to make sure the user has entered a vaild category (i.e. a category that exists in the categories table). So in the model of the table I put this: class Master < ActiveRecord::Base belongs_to :category, :foreign_key => "categoryid" validates_presence_of :categoryid def validate_on_create unless Category.find(:first, :conditions => "categoryid = #{categoryid}") errors.add(:categoryid, "is not a valid category id") end end end However this does not work because the "vali...

I hadn't visited the centos forum for a long time and spotted http://www.centos.org/modules/smartfaq/category.php?categoryid=7 Whilst it may not compare in content to the faq's of fedora/ubuntu at http://easylinux.info/wiki/Fedora it is a step in the right direction. The right additions to the FAQ may see a reduction of the frequently asked questions on the centos list. ____________________________________________...

Hi, I installed two linux VMs in XenServer 6.0, one is CentOS 5.5 and the other is Ubuntu 10.04, both of which are HVMs. I install xenserver tools many times and the packages are installed, but XenCenter keeps telling me that "Xenserver tools is not installed". Are xenserver tools of linux intended only for PV vm? I am not familiar with xenserver and need help.Thanks! Best Regards,

For lack of knowlege of a better place to put this, I'm reporting an error on the CentOS FAQ. Trying to read http://www.centos.org/modules/smartfaq/category.php?categoryid=2 question "How do I download and burn the isos?" I encountered this web page with the following text: [http://www.centos.org/modules/smartfaq/faq.php?faqid=46] This page cannot be displayed due to an internal error. If you are the administrator of this site, please visit the Xoops T...

Hi, Is it OK to apply several patches to a host from CLI without a restart in between? Or do I have to apply one patch, do a restart, etc… Thanks! Adrian _______________________________________________ Xen-users mailing list Xen-users@lists.xen.org http://lists.xen.org/xen-users

Hey all, Has anyone else noticed Norco''s recently-announced DS-520 and thought ZFS-ish thoughts? It''s a five-SATA, Celeron-based desktop NAS that ships without an OS. http://www.norcotek.com/item_detail.php?categoryid=8&modelno=ds-520 What practical impact is a 32-bit processor going to have on a ZFS system? (I know this relies on speculation, but) Might anyone know anything about Norco''s usual chipsets to guess about OpenSolaris compatibility? adam

...used by drinking out of baby bottles and sippy cups containing BPA. So, to be certain that your baby is not exposed, use glass bottles" She suggests that if you really want a plastic bottle, get ones made from a different kind of plastic. http://www.nalgene-outdoor.com/store/SearchResult.aspx?CategoryID=10 But she really recommeds storing water in glass, brass, or ceramic bottles. She does not discuss aluminum. Here's another author on aluminum. The problem with aluminum is. What is the inside of the water bottle lined with? Sigg water bottle from Switzerland are the highly recommended,...

Hi list, I'm running current SpanDSP http://www.soft-switch.org/downloads/spandsp/spandsp-0.0.4pre6.tgz with Asterisk 1.2.22 somewhat successfully. Most Fax machines do work but I have problems with people having Tobit FaxWare and Shamrock CapiFax. http://www.tobit.com/login/mrd.asp?CategoryID=120 http://www.shamrock.de/ I've got black bars over the pages. In Tobit some content is Ok, other is covered by the black bars. Anyone else has simliar problems? I talked to Tobit and they said there should be an option somewhere in SpanDSP to disable Fax header crossbars. But I found none....

Hi, I am new to citrix xen server. I have sucesfully installed citrix xen server 5.6.1 Fp1(free version) on my system. and through xencenter I have connected citrix xenserver and created vm (centos 5.5 32 bit), Installed Xen-tools in centos. My xenserver and xen vm ip details are below Xenserver Ip address - 192.168.1.5 Netmask - 255.255.255.0 Gateway - 192.168.1.1 which is my xencenter

...pliers. The only drawbacks I can see is that it looks like they could've fit 15 drives with three multipliers, and two drives need direct connections to the controller. That's 4 esata ports used ( 2 x 5 port multiplier + 2 direct to hard drive ). http://www.norcotek.com/item_detail.php?categoryid=8&modelno=DS-1220 The SC-SATA12RM is rackmountable, uses 4 multi-lane SAS connectors and holds 12 drives. Having full bandwidth to each drive can have its advantages for streaming reads and writes, but the seeky workload I expect won't benefit much from the extra theoretical bandwidth....

...lying to this earlier, I just saw this thread because of the newsletter. We have had CentOS Images running in the cloud since 09/06/2007, and there have had a public script out for it, you can check us out in the Amazon catalog here: http://developer.amazonwebservices.com/connect/entry!default.jspa?categoryID=208&externalID=1901&fromSearchPage=true. This also has a build script here: http://s3.amazonaws.com/rightscale_scripts/CentOS5_2V4_0_2_Beta.sh, if you want to roll your own. If anyone needs any help or has any question on this shoot me an email. Also thanks to the CentOS team for all your h...

I''m looking for what I need to write to xenstore from a VM to say whether or not it supports migration and/or suspension. On older versions of NetBSD, suspend/migration isn''t supported and on newer versions it still has issues. Therefore I want to let the XenServer toolstack, etc. not offer the option to the end user. -- Stephen

Hi, Following are some of the observation, - Problem connecting to the XenServer with XenCenter - Just one SR configured as Local Storage Repository. Suspend Image SR and Crash Dump SR is connected to same local storage with VMs. - XAPI is up and running - Pool.conf shows "master" - Network is up and running - I am able to ssh into the Server but a simple

Hello everyone, My organization has an iSCSI LUN on a XenServer 6.0.2 host that is having issues. Last night we attempted a snapshot on a VM that is critical to our infrastructure. During the snapshot, the task locked up and was unable to progress or stop the snapshot. I attempted to force the VM to stop as well as destroy it''s domain. As a last resort I had powercycled the host. Upon

Hello, Has anyone been successful with Windows 2012 guest install - on XenServer 6.2? observe -  boot time crash of guest OS - but this works with XCP 1.6 - where guest support was experimental _______________________________________________ Xen-users mailing list Xen-users@lists.xen.org http://lists.xen.org/xen-users

Hello xen-users. I''m new working with xenserver and I''m trying to config a HA environment. I already did iSCSI redundant path, and is working fine. I have tow machine, the same and with 8GB each, and the same processor (Intel(R) Xeon(R) CPU X3470 @ 2.93GHz) When a run de command, xe pool-ha-enable heartbeat-sr-uuids="my iSCSI SR" the server shows me an error, after

Hello, I know, often asked, often discussed .. No recommendation from Citrix. What is the better solution? 1) use ntp in the XEN host and synchronize the guests with the clock running on the control domain (independent_wallclock=0, what the default is) 2) or use ntp in host and guest (and independent_wallclock=1) I ask, because the XEN host (bare metal) has a more stable clock and if the ntp

...d how can I iterate over just my objects? Below is my code along with the strange result I am seeing. thank you for your insights. new Ajax.Request(''loadSeveritiesMatchingCategory.action'', { method:''get'', parameters : ''successType=jsonSuccess&categoryId='' + categoryId, onSuccess: function(transport) { var json = transport.responseText.evalJSON(); var htmlSeverities = transport.responseText + ''<p/>''; for (x in json) { htmlSeverities+= json[x].toString() +''<p/>'';//...

One of the cluster nodes (XS 5.6 SP2/not master) became unresponsive to XAPI calls being sent from a CloudStack management server. In the past, a simple xe-toolstack-restart would do the trick but the script timed out while restarting the XAPI daemon. I found the process and first tried to use a simple kill command but the process was in a "defunct" state. I tried a kill -9 but no joy.

hello everybody I successfully installed a *very* small two node cluster with a shared volume on linux (both debian, one x86, one ARM [laugh not: NSLU2 :)]). before that, I tried to install the "clusterware" package on my windows xp box and it constantly complained about the three different ip addresses it wanted to see, then I got so frustrated with numerous manual hosts-file