similar to: iptables & kernel problems on Debian domU

Displaying 20 results from an estimated 4000 matches similar to: "iptables & kernel problems on Debian domU"

2009 Jun 07
12
please help: Linux Kernel must be loaded before initrd
Hi, One of my servers in a IDC in another country mysteriously went down this morning, and when I contacted the IDC, I was told that XEN doesn''t boot up, as follows: [QUOTE] This is error message on the screen " Error 19: Linux Kernel must be loaded before initrd" Server is currently up with 2nd kernel. Please check the grub.conf. [/QUOTE] Looking at grub.conf, I see the
2010 Nov 08
6
XEN large scale cluster
Dear All, We are preparing amount 400 servers to deploy a large scale XEN cluster; I am looking for the best solution for that, these are some things I need to resolve: 1) 400 servers use raid-1, each server will have more than 100GB free disk space, I want to combine all of these for the cluster''s storage, so, it need to install the distribute file system; 2) How to
2008 Dec 03
5
Re: Can Xen boot a Linux OS already installed in a realpartition
Well, you have two options: 1) If your hardware supports VT, you can boot this in a Xen HVM domU (fully virtualized). To do this, you need to make sure that the initrd images in the Linux partition are set up correctly to support the PIIX IDE/ATA chipset and that your root and fstab entries use the correct device. 2) If you can install a Xen domU kernel into the Linux partition install, you can
2009 Jun 07
1
please help: Linux Kernel must be loaded before initrd
Hi, One of my servers in a IDC in another country mysteriously went down this morning, and when I contacted the IDC, I was told that XEN doesn't boot up, as follows: [QUOTE] This is error message on the screen " Error 19: Linux Kernel must be loaded before initrd" Server is currently up with 2nd kernel. Please check the grub.conf. [/QUOTE] Looking at grub.conf, I see the
2011 Feb 22
6
how to optimize CentOS XEN dom0?
Hi, I have a problematic CentOS XEN server and hope someone could point me in the right direction to optimize it a bit. The server runs on a Core2Quad 9300, with 8GB RAM (max motherboard can take, 1U chassis) on an Intel motherboard with a 1TB SATA HDD. dom0 is set to 512MB limit with a few small XEM VM''s running: root@zaxen01:[~]$ xm list Name ID
2008 Jun 24
7
CentOS 5.2
I see this has now been released :) What is the best way to upgrade both the Dom-0 and Dom-U to Xen 3.2 within CentOS 5.2 ? Regards, -- --[ UxBoD ]-- // PGP Key: "curl -s http://www.splatnix.net/uxbod.asc | gpg --import" // Fingerprint: F57A 0CBD DD19 79E9 1FCC A612 CB36 D89D 2C5A 3A84 // Keyserver: www.keyserver.net Key-ID: 0x2C5A3A84 // Phone: +44 845 869 2749 SIP Phone:
2011 Feb 22
6
how to optimize CentOS XEN dom0?
Hi, I have a problematic CentOS XEN server and hope someone could point me in the right direction to optimize it a bit. The server runs on a Core2Quad 9300, with 8GB RAM (max motherboard can take, 1U chassis) on an Intel motherboard with a 1TB SATA HDD. dom0 is set to 512MB limit with a few small XEM VM's running: root at zaxen01:[~]$ xm list Name ID
2011 Nov 02
1
CentOS 5.7 gives me a blank screen after bootup
Hi all, I have an odd problem, for which I couldn't find any suggestions on google. A CentOS 5.7x64 gives me a blank screen on bootup, both to the 17" LCD monitor connected to the VGA port, and to the KVMOVIP device built-into the server, I can see the GRUB boot loader, and everything booting up, upto the point where it says "Waiting for driver initialization.", then it goes
2011 Jan 17
1
can't start iscsi - and can't find answer on google
Hi all, I have the strangest problem on one of our backup server. iscsi doesn't start at all, and gives the following error: [root at 2U-NAS ~]# /etc/init.d/iscsi status iscsid is stopped [root at 2U-NAS ~]# /etc/init.d/iscsi start iscsid is stopped Starting iSCSI daemon: Unable to create pid file: /var/run/brcm_iscsiuio.pid [FAILED] Setting up iSCSI targets: iscsiadm: No records
2008 Mar 28
7
Xen3.2 documentation?
Hi Where can I get documentation for Xen3.2? I see the Xen site only has for Xen 3.0 -- Kind Regards Rudi Ahlers CEO, SoftDux Web: http://www.SoftDux.com Check out my technical blog, http://blog.softdux.com for Linux or other technical stuff, or visit http://www.WebHostingTalk.co.za for Web Hosting stugg _______________________________________________ Xen-users mailing list
2009 Apr 05
8
how to boot domU XEN guest in safe mode?
Hi all, How can I boot a XEN domU guest into safe mode? One of our servers was forcefully shutdown, and it seems like one of my VM''s could be corrupt, or something. When I boot it up, I get the following on the console: Creating root device. Mounting root filesystem. kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with ordered data mode. Setting up other
2008 Jun 17
4
Re: unable to access Linux HVM via xm console - Couldnot read tty from store: No such file or directory
HVM = fully virtualized. The question is, why are you using fully virtualized domUs? Why not paravirtualized (PV)? >>> On 2008/06/16 at 16:07, Rudi Ahlers <Rudi@SoftDux.com> wrote: Itamar - IspBrasil wrote: > why you''re using hvm ? its slow > > > > Rudi Ahlers wrote: >> Hi all >> >> I''m running CentOS 5.1 x64 + Xen 3.0 & I
2020 Jun 09
5
Accounting package recommendations
Hi, I am looking for an offline accounting package recommendation, please. I enjoyed using Xero accounting, but need something that's offline, and where the data remains my property. Having used Quickbooks on Windows in the past, I am looking for something similar. Any recommendations? -- Kind Regards Rudi Ahlers Website: http://www.rudiahlers.co.za
2008 Nov 15
3
how to debug hardware lockups?
Hi, We have a server which locks up about once a week (for the past 3 weeks now), without any warning, and the only way to recover it, is to reset the server. This causes unwanted downtime, and often software loss as well. How do I debug the server, which runs CentOS 5.2 to see why it locks up? The CPU is an Intel Q9300 Core 2 Quad, with 8 GB RAM, on an Intel Motherboard The last few entries
2008 Feb 29
2
error creating Centos 5.1 x32 dum_U instance on CentOS5.1 x64
Nah, RHEL 5.1+ supports 32-bit domU (PAE and non PAE) on 64-bit dom0. Actually RHEL Xen is 3.1 with the brain damaged 3.0 userland utilities. -Ross ----- Original Message ----- From: centos-bounces at centos.org <centos-bounces at centos.org> To: CentOS mailing list <centos at centos.org> Sent: Fri Feb 29 04:46:42 2008 Subject: Re: [CentOS] error creating Centos 5.1 x32 dum_U
2008 Feb 29
2
error creating Centos 5.1 x32 dum_U instance on CentOS5.1 x64
Nah, RHEL 5.1+ supports 32-bit domU (PAE and non PAE) on 64-bit dom0. Actually RHEL Xen is 3.1 with the brain damaged 3.0 userland utilities. -Ross ----- Original Message ----- From: centos-bounces at centos.org <centos-bounces at centos.org> To: CentOS mailing list <centos at centos.org> Sent: Fri Feb 29 04:46:42 2008 Subject: Re: [CentOS] error creating Centos 5.1 x32 dum_U
2011 Aug 23
37
preferred XEN dom0 OS
Hi, What is the preferred OS to use with XEN, as the dom0 host? We primarely us CentOS (currently 5.6) but it seems that the native XEN that comes with CentOS is a bit behind. What is the preferred OS to run on the dom0''s? -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532
2011 Sep 08
15
correct steps to add XEN bridge to Debian squeeze?
Hi all, Does anyone know what the correct steps are to add a XEN bridge, let''s say xenbr0 to Debian Squeeze? I have added the following to /etc/network/interfaces # XEN Bridge auto xenbr0 iface xenbr0 inet manual bridge ports eth0 bridge_stp off bridge_fd 0 And then rebooted the server but brctl show still shows eth0 as bridge: newusaxen:~# brctl
2009 Jun 02
3
how to debug random server reboots
Hi all, One of our CentOS 5.3 randomly reboots, at different times of the day, and I can't see why it's doing it. I have looked through the logs, but don't see any thing in there that shows me why it has rebooted. How can I debug this? Here's a snipped from the log, around the time of the reboot: Jun 2 14:59:59 usaxen02 kernel: EXT3-fs: mounted filesystem with ordered data
2011 Feb 28
2
can't disconnec iSCSI targets, please help
Hi, I'm trying to disconnect some iSCSI targets, but can't seem to. [root at localhost ~]# iscsiadm -m session tcp: [1] 192.168.2.202:3260,1 iqn.2011.01.22.freenas.nvr:500gb tcp: [3] 192.168.2.200:3260,1 iqn.2011-2.za.co.securehosting:RAID.thin3.vg0.1tba tcp: [4] 192.168.2.202:3260,1 iqn.2011.01.22.freenas.nvr:extent0 tcp: [5] 192.168.2.200:3260,1