Ryan Nichols [EMAIL PROTECTED] writes:
Really? We bought that EXACT motherboard.. 10 to be exact and we've had 9
fail and the 10th is on its way to major failure.. the odd thing is that
10th one was the first one purchased and that was 6 months ago.
Unless you have many hundreds of servers I
Simon Jolle sjolle [EMAIL PROTECTED] writes:
What are the advantages of building your own server comparing with
products from HP, Dell and IBM? Is it cheaper?
I find that if you order the base package from Dell, you get a pretty
good deal. sometimes better than buying the parts alone. But if
Sergio Belkin [EMAIL PROTECTED] writes:
dd if=/dev/sdaX of=fedora6.img (on FC6)
of course, you can't do this if you are booting off /dev/sdaX- boot
into a rescue disk or something.
and then on Centos 5.1
dd if=fedora6.img of=/dev/sdaX
Could I run this system into Xen?
assuming you
[EMAIL PROTECTED] writes:
ok..i can install dovecot+postfix+MYSQL..etc..and maybe the problem it's
resolve.
i don't have problem with the machines, the machines are goods, my problem
is the tranparent receive e-mails to the users than are distributed in
four machines with the same number the
Filipe Brandenburger [EMAIL PROTECTED] writes:
My boss asked me to harden a CentOS box by removing hacker tools,
such as nmap, tcpdump, nc (netcat), telnet, etc.
Removing network tools does not make it harder to break into the box,
however, it can make it harder to do something with it once
[EMAIL PROTECTED] writes:
If you only have 512mb of ram, there's almost no reason to virtualize.
Windows needs a minimum of 128-512MB to run stable. I highly suggest that
you get more RAM - its very cheap these days.
seconded. my standard server has 8G unbuffered ecc. Newegg sells
Ruslan Sivak [EMAIL PROTECTED] writes:
running vmware under a xenU guest wouldn't lift any ram limit
imposed by the xen kernel or dom0.
...
The 4GB limit is artificial, and only applies to the vm's started
using their closed source XenSource. The host OS is most likely
CentOS 5, and sees
Ruslan Sivak [EMAIL PROTECTED] writes:
Luke S Crawford wrote:
It is PAE.
If it's PAE, then I'm a bit confused, as they advertise it as *Native
64-bit hypervisor:* Scalability and support for enterprise
applications
heh. looks like I wasn't paying attention. A long time ago, I believe
Tom Lanyon [EMAIL PROTECTED] writes:
I haven't been following the thread, but has the discussion been about
memory limits of Xen?
We were discussing memory limits of the free (as in beer) closed source
citrix xensource product- limits are added to the free product in order
to encourage people
Ruslan Sivak [EMAIL PROTECTED] writes:
Tom Lanyon wrote:
On 24/06/2008, at 9:08 AM, Luke S Crawford wrote:
We were discussing memory limits of the free (as in beer) closed source
citrix xensource product- limits are added to the free product in order
to encourage people to upgrade
Victor Padro [EMAIL PROTECTED] writes:
Does anyone has implemented this sucessfully?
I have not used bonding with xen, but once you have a bonded interface in the
Dom0 it should be trivial. setup your bonded interface as usual, then in
/etc/xend-config.sxp where it says (network-script
Gordon McLellan [EMAIL PROTECTED] writes:
I'm pulling my hair out trying to setup a mirrored logical volume.
lvconvert tells me I don't have enough free space, even though I have
hundreds of gigabytes free on both physical volumes.
your problem is that vg1 only has one PV. if you are
is happening. It can be a great help with hardware problems.
--
Luke S. Crawford
http://prgmr.com/xen/ - Hosting for the technically adept
http://nostarch.com/xen.htm - We don't assume you are stupid.
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On Sun, Feb 26, 2012 at 02:21:09PM -0600, Frank Cox wrote:
It looks like it does pretty much the same thing as several other monitoring
tools that I've looked at. However, none of them separate local traffic from
external traffic.
check out http://bandwidthd.sourceforge.net/ - It only
On Sun, Feb 26, 2012 at 11:30:14PM -0600, Frank Cox wrote:
On Mon, 27 Feb 2012 00:26:59 -0500
Luke S. Crawford wrote:
check out http://bandwidthd.sourceforge.net/ - It only supports IPv4,
but it's pretty convenient, as you can define what 'local' and 'external'
means by IP address
On Wed, Feb 29, 2012 at 11:27:53AM +1100, Kahlil Hodgson wrote:
Now I start to get I/O errors on printed on the console. Run 'mdadm -D
/dev/md1' and see the array is degraded and /dev/sdb2 has been marked as
faulty.
what I/O errors?
So I start again and repeat the install process very
an old server and set off my pager in the middle of the
night, 'cause I/O has hung on one of the servers. When a raid
edition/enterprise drive fails, I get an email, but I can deal with
that in the morning. The RAID continues chugging along as long as
I have enough good drives left.
--
Luke S
Right. I was referring to RAID 1. For a RAID 10, you would have to
find the proper drive to boot from. This is why I tend to limit myself
to RAID 1 in software. If I need something more complex than that, I
get a hardware card so the OS just sees it as a single drive and you
don't have to
On Mon, Mar 05, 2012 at 06:12:52PM -0500, Ross Walker wrote:
Technically if the data portion is a true RAID10 you would only need to
mirror /boot to sdb, cause if both sda AND sdb are out then the whole RAID10
is SOL and there would be no need to boot off of sdc or sdd.
Having said that
On Thu, Mar 08, 2012 at 02:51:58PM -0500, m.r...@5-cent.us wrote:
John R Pierce wrote:
On 03/08/12 6:33 AM, m.r...@5-cent.us wrote:
ok, so 3 x 48/64 core servers uses the same power as 6 x 4/8 core ?
thats still major win.
Um, no - that's what I'm saying is*not* the case. The new
Jerry Geis [EMAIL PROTECTED] writes:
In the event I have an important email and I want it try perhaps every
minute (1minute)
to send the email how do I accomplish this from the sendmail command line?
considering just how many people use greylisting, this is likely a
bad idea.Greylisting
Ralph Angenendt [EMAIL PROTECTED] writes:
I really don't understand why people just don't turn off their mailservers if
they
don't want mail from others.
Most of us have come close.I get north of 500 spams a day unprotected.
I've been using the same email since '01. I know many others
Rick el...@spinics.net writes:
Since memory has become quite cheap lately I decided to move from 2 GB
to 6. When I installed the memory every thing was fine until I went to
run level 5. At that point the screen turned to garbage and the system
froze. Is there a way to fix this so I can use
Bill Campbell cen...@celestial.com writes:
I usually go to the Kingston site to find the proper memory for
specific main boards, and get most of our RAM from newegg.com.
http://www.kingston.com
http://www.newegg.com
I second this, except that I find Kingston often has the best
Rob Townley rob.town...@gmail.com writes:
i would like to see real performance data via something like netperf
with client machines booted from a standardized LiveCD, then
peformance under their Linux Distribution and performance under
Windows.
Performance data is not the most important
Les Mikesell lesmikes...@gmail.com writes:
If you get a service contract on any piece of Cisco equipment, you
typically get download access to all of the firmware updates.
Yeah, but the problem for me is that for my frontend network, 100M is just
fine. A used cisco 3548 is going to set me
Jason Pyeron jpye...@pdinc.us writes:
Everyone's pushing you to one of the VPS providers because
that's what all the cool kids are doing now that VM
technology is commoditized.
I do not have an opinion on this.
I think people are pushing the VPS service because people who are
On Thu, Mar 29, 2012 at 04:49:26PM -0500, Tim Nelson wrote:
Am I overthinking this? Does the kernel handle the mirror/stripe
configuration under the hood, simply presenting me with a magical RAID10
array? Or, is this something different and I really should be performing the
RAID creation
On Fri, May 11, 2012 at 03:46:43PM -0700, Gordon Messmer wrote:
A late reply, but hopefully a useful set of feedback for the archives:
On 04/20/2012 05:59 AM, Rafał Radecki wrote:
Key factors from my opint of view are:
- stability (which one runs more smoothly on CentOS?)
I found that
On Tue, Jun 26, 2012 at 03:10:30AM +0800, Emmanuel Noobadmin wrote:
On 6/25/12, Warren Young war...@etr-usa.com wrote:
Then there's the LVM option, but I can't immediately come up with a
one-liner that tells you whether a given LVM disk set is equivalent to
software RAID.
LVM has a
On Tue, Jun 26, 2012 at 03:03:23PM -0400, Steve Thompson wrote:
On Tue, 26 Jun 2012, m.r...@5-cent.us wrote:
We've had a number of servers fail, and it *seems* to be related to the
motherboard.
I too have had bad experiences with SuperMicro motherboards; never had one
last more than
On Thu, Jun 28, 2012 at 09:57:33PM -0700, John R Pierce wrote:
On 06/28/12 8:56 PM, Luke S. Crawford wrote:
The problem with supermicro is that the end user assembles them;
If you use ESD protection, this is fine. If you dont? go buy a dell
or something.
well, the SM kit I've bought
Kai Schaetzl [EMAIL PROTECTED] writes:
David Hláèik wrote on Thu, 22 May 2008 13:34:17 +0200:
disk = [ 'tap:aio:/home/xen/webdev/webdev_root.img,sda1,w',
'tap:aio:/home/xen/webdev/webdev_swap.img,sda2,w' ]
I suggest using file: instead of tap:aio (I haven't tested this, but it's
been
Rudi Ahlers [EMAIL PROTECTED] writes:
Sure, that's for XEN, but it's not very effective. I need graph the traffic
for each VM, not the vif - the vifs tend to change on a reboot, and also
reset with the stats.
set vifnam=xenname in the vif=[] statement and you can give the interfaces
symbolic
Pasi Kärkkäinen pa...@iki.fi writes:
It seems Redhat guys have the packages available here:
http://crobinso.fedorapeople.org/rhel5/install_f10/
With those packages installed to RHEL 5.2 (or CentOS 5.2) you can
install/use Fedora 10 guests/domUs.
Thanks! I installed those and started
Francisco Pérez fpere...@gmail.com writes:
Hi list.
Im Running xen on a brand new dell PE 1950 with 146 GB SAS Disk on raid1.
The performance on the I/O on the domU is really poor, but in dom0 the
performance is great.
Are you using HVM?
___
Francisco Pérez fpere...@gmail.com writes:
No, the domu's are para-virtualized guest.
Are you using file:// devices?
I ask because I use lvm-backed phy:// devices and I get near native
disk performance. Attach the config file for the domain
(usually /etc/xen/domainname)
Bill McGonigle b...@bfccomputing.com writes:
In the DomU, I'll see a lock-up, and then filesystem errors. e.g.:
Installing : kernel [
] 1/33EXT3-fs error (device xvda1) in ext3_ordered_writepage: IO failure
In the Dom0, I'll see:
Bill McGonigle b...@bfccomputing.com writes:
On 06/15/2009 11:33 PM, Luke S Crawford wrote:
xm sched-credit -d 0 6
Ah, ha! This appears to work. I didn't need to reserve a CPU for the
dom0 (knock on wood). Much obliged, Luke.
I'm academically curious, though - I seem to have
Ben M. cen...@rivint.com writes:
Thanks. The portability bonus is a big one. Just two other questions I
think.
- Raid1 entirely in dom0?
that's what I do. I make one big md0 in the dom0, then partition that out
with lvm.
- Will RE type HDs be bad or good in this circumstance? I buy RE
Grant McWilliams grantmasterfl...@gmail.com writes:
I don't use software RAID in any sort of production environment unless it's
RAID 0 and I don't care about the data at all. I've also tested the speed
between Hardware and Software RAID 5 and no matter how many CPUs you throw
at it the
Grant McWilliams grantmasterfl...@gmail.com writes:
Interesting thoughts on raid5 although I doubt many would agree. I don't see
how the drive
type has ANYTHING to do with the RAID level.
raid5 tends to suck on small random writes; SATA sucks on small
random anything, so your worst-case
Grant McWilliams grantmasterfl...@gmail.com writes:
So if I have 6 drives on my RAID controller which do I choose?
considering the port-cost of good raid cards, you could probably use md
and get 8 or 10 drives for the same money. It's hard to beat more
spindles for random access performance
kernel or the opensolaris
xvm xen kernel rather than the xen.org xen kernel for that reason
(assuming I can get PVGRUB working and that paravirt ops linux guests
work, which I believe they do.)
--
Luke S. Crawford
http://prgmr.com/xen/ - Hosting for the technically adept
http
So... it is theorized that XSA-108 is why amazon is rebooting. Is
there any way for me to know when this update hits CentOS5 or
xen4centos6?Do we know that it is *not* included in one of the
centos patches?
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