Re: [CentOS] Questions on cpu frequency scaling AMD vs. Intel

2008-08-04 Thread Kai Schaetzl
S.Tindall wrote on Sun, 3 Aug 2008 21:47:06 -0400: > The cpuspeed changelog may be relevant: > > [quote] > * Thu Mar 06 2008 Jarod Wilson <[EMAIL PROTECTED]> > > - Disable freq scaling by default on AMD rev F and earlier cpus > when running xen, due to clock instability (#435321) > [/quote] Tha

Re: [CentOS] Questions on cpu frequency scaling AMD vs. Intel

2008-08-04 Thread Ned Slider
Kai Schaetzl wrote: S.Tindall wrote on Sun, 3 Aug 2008 21:47:06 -0400: The cpuspeed changelog may be relevant: [quote] * Thu Mar 06 2008 Jarod Wilson <[EMAIL PROTECTED]> - Disable freq scaling by default on AMD rev F and earlier cpus when running xen, due to clock instability (#435321) [/quot

Re: [CentOS] File system goes read-only once in a while

2008-08-04 Thread Mufit Eribol
Toby Bluhm wrote: Mufit Eribol wrote: I have a LV on RAID mounted as /mnt/raid. Then /mnt/raid/var is symlinked to /var. I was afraid you were going to say that. Go back to single user mode. mkdir /new_var cd /mnt/raid/var tar cf - . | ( cd /new_var ; tar xvf - ) Make sure both dirs loo

Re: [CentOS] File system goes read-only once in a while

2008-08-04 Thread Mufit Eribol
NiftyClusters Mitch wrote: On Fri, Aug 1, 2008 at 1:43 PM, William L. Maltby <[EMAIL PROTECTED]> wrote: On Fri, 2008-08-01 at 16:13 -0400, Toby Bluhm wrote: Mufit Eribol wrote: . . that you would correctly try to fsck the *device*. First back

[CentOS] HP ILO Fence Configuration

2008-08-04 Thread Balaji
Dear All, Currently i am using HP x6600 Server and I have installed RHEL4 Update 4 AS Linux and RHEL4 Update 4 Support Cluster Suite in my server I am new in fence and can any one help me how to configure HP ILO fence in my server and HP ILO Fence Functionality Regards -S.Balaji ___

Re: [CentOS] Questions on cpu frequency scaling AMD vs. Intel

2008-08-04 Thread Kai Schaetzl
Ned Slider wrote on Mon, 04 Aug 2008 10:34:57 +0100: > quote > # Frequency scaling on AMD rev F CPUs under Xen can result in > # timekeeping problems for fully virtualized guests, so we disable > # it by default. > if [ -d /proc/xen ] && [ "$cpu_vendor" == AuthenticAMD ] \ >

Re: [CentOS] Questions on cpu frequency scaling AMD vs. Intel

2008-08-04 Thread Kai Schaetzl
Kai Schaetzl wrote on Sun, 03 Aug 2008 16:57:20 +0200: > I disagree about the reason. I think they are actually not so efficient. At > least not if I compare to a low-voltage CPU. Just checked how much that AMD 4850e CPU drains under various conditions. There are *huge* differences. I checked w

Re: [CentOS] File system goes read-only once in a while

2008-08-04 Thread Toby Bluhm
Mufit Eribol wrote: Toby Bluhm wrote: Mufit Eribol wrote: I have a LV on RAID mounted as /mnt/raid. Then /mnt/raid/var is symlinked to /var. I was afraid you were going to say that. Go back to single user mode. mkdir /new_var cd /mnt/raid/var tar cf - . | ( cd /new_var ; tar xvf - ) Ma

[CentOS] Reloading /etc/hosts

2008-08-04 Thread Robert Moskowitz
I am doing some testing and am having to make many changes to /etc/hosts Is there a way to reload the /etc/hosts file without doing a service network restart? I hope that in a while I can run BIND with a bunch of faked-out zone files (did this once to crack a Vonage PAP2). But for right now,

Re: [CentOS] Reloading /etc/hosts

2008-08-04 Thread Ralph Angenendt
Robert Moskowitz wrote: > I am doing some testing and am having to make many changes to /etc/hosts > > Is there a way to reload the /etc/hosts file without doing a service > network restart? That doesn't need to be reloaded *except* if you use the name service caching daemon (nscd). Then "servic

Re: [CentOS] Reloading /etc/hosts

2008-08-04 Thread Toby Bluhm
Robert Moskowitz wrote: I am doing some testing and am having to make many changes to /etc/hosts Is there a way to reload the /etc/hosts file without doing a service network restart? Takes effect immediately. Do you not get the changes right away? -- Toby Bluhm Alltech Medical Systems Amer

Re: [CentOS] Questions on cpu frequency scaling AMD vs. Intel

2008-08-04 Thread Ned Slider
Kai Schaetzl wrote: Kai Schaetzl wrote on Sun, 03 Aug 2008 16:57:20 +0200: I disagree about the reason. I think they are actually not so efficient. At least not if I compare to a low-voltage CPU. Just checked how much that AMD 4850e CPU drains under various conditions. There are *huge* diffe

Re: [CentOS] Reloading /etc/hosts

2008-08-04 Thread nate
Robert Moskowitz wrote: > I am doing some testing and am having to make many changes to /etc/hosts > > Is there a way to reload the /etc/hosts file without doing a service > network restart? There is no need to reload the hosts file, it's read in real time. Some things like firefox maintain their

No an Issue? Re: [CentOS] Reloading /etc/hosts

2008-08-04 Thread Robert Moskowitz
Robert Moskowitz wrote: I am doing some testing and am having to make many changes to /etc/hosts Is there a way to reload the /etc/hosts file without doing a service network restart? I 'forgot' to restart network after a change and did a ping6 and it worked. Ergo, I think my information is

Re: [CentOS] Reloading /etc/hosts

2008-08-04 Thread Robert Moskowitz
Ralph Angenendt wrote: Robert Moskowitz wrote: I am doing some testing and am having to make many changes to /etc/hosts Is there a way to reload the /etc/hosts file without doing a service network restart? That doesn't need to be reloaded *except* if you use the name service cachi

Re: [CentOS] Questions on cpu frequency scaling AMD vs. Intel

2008-08-04 Thread Kai Schaetzl
Kai Schaetzl wrote on Mon, 04 Aug 2008 11:08:55 +0200: > Hm, it occurs to me now that the older cpu where the time warning doesn't > appear runs already on Xen 3.2.1 which may already have some patch to > avoid this bug. Or it simply doesn't report it anymore :-) The warning is gone after upgra

[CentOS] GFS and Smaill Files

2008-08-04 Thread Patricio A. Bruna
Hi, I had found on the list that i can improve the performance of GFS with small files if i adapt the size of the rsbtbl_size/lkbtbl_size values. But it also found that this has to be done after loading the dlm module, but before the lockspace is created. What means "before the lockspace is cr

Re: [CentOS] Questions on cpu frequency scaling AMD vs. Intel

2008-08-04 Thread Kai Schaetzl
Ned Slider wrote on Mon, 04 Aug 2008 14:51:41 +0100: > Were you able to observe any drops in VCore voltage between load, idle > (2500MHz) and 1000MHz with lm_sensors? I can't get any other sensor data than the core temperatures. Kai -- Kai Schätzl, Berlin, Germany Get your web at Conactive In

[CentOS] Whole disk encryption

2008-08-04 Thread Plant, Dean
Has there been any updates to support encrypting the whole disk in 5.2? If not, Is anyone doing this and can point me to some good documentation? Thanks Dean ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Whole disk encryption

2008-08-04 Thread Chris Brentano
I think TrueCrypt (www.truecrypt.org) will do this. On 4 Aug, 2008, at 8:51 AM, Plant, Dean wrote: Has there been any updates to support encrypting the whole disk in 5.2? If not, Is anyone doing this and can point me to some good documentation? Thanks Dean

[CentOS] Re: Fetchmail pop server and clean spam messages

2008-08-04 Thread Scott Silva
on 8-2-2008 12:04 PM Jay Leafey spake the following: nightduke wrote: Hi i want to fetchmail from a pop server and check every email to any rbl spamhaus,spamcop,etc and if match at any rbl the email will be deleted. It's possible to do this? Thanks Nightduke If you've got fetchmail configur

[CentOS] Outbound connections not using primary eth0 IP

2008-08-04 Thread Neil Aggarwal
Hello: I have a machine running CentOS 5.2 I added two IP addresses to eth0 by copying /etc/sysconfig/network-scripts/ifcfg-eth0 to /etc/sysconfig/network-scripts/ifcfg-eth0:0 /etc/sysconfig/network-scripts/ifcfg-eth0:1 and changing the relevant IP info. I am now seeing outbound connections fa

Re: [CentOS] Questions on cpu frequency scaling AMD vs. Intel

2008-08-04 Thread S.Tindall
On Monday, August 04, 2008 at 5:08 AM, Kai Schaetzl wrote: ...The older one is a 3800+ EE and the newer one is a 4850e which I bought right after it became available. Unless rev. G and up are only quad core CPUs at least the latter 45nm one should be rev G or up, too. But I can't find a definiti

Re: [CentOS] Whole disk encryption

2008-08-04 Thread Peter Kjellstrom
On Monday 04 August 2008, Plant, Dean wrote: > Has there been any updates to support encrypting the whole disk in 5.2? As for booting from an encrypted root-filesystem I don't know. But any normal filesystem or swap can be encrypted with the normal linux blockdevice encryption functionality (dm-

Re: [CentOS] Whole disk encryption

2008-08-04 Thread Timothy Selivanow
On Mon, 2008-08-04 at 16:51 +0100, Plant, Dean wrote: > Has there been any updates to support encrypting the whole disk in 5.2? There hasn't been any built-in support until Fedora 9, so perhaps at the earliest it would be 5.3 if at all. There are however, ways you can implement it yourself. The

Re: [CentOS] Outbound connections not using primary eth0 IP

2008-08-04 Thread Filipe Brandenburger
On Mon, Aug 4, 2008 at 13:00, Neil Aggarwal <[EMAIL PROTECTED]> wrote: > Any ideas why this is happening? Because you have two different default gateways. In that case, Linux will "rotate" between them, using one or the other for each outgoing packet. If you want all your outgoing traffic to go t

Re: [CentOS] Outbound connections not using primary eth0 IP

2008-08-04 Thread nate
Neil Aggarwal wrote: > Any ideas why this is happening? Try looking at this? http://www.clintoneast.com/articles/multihomed.php In general I try to make sure my systems only have 1 default gateway, makes life a lot easier. Leave the multi homing to the routers(or my preference layer 3 switches).

Re: [CentOS] File system goes read-only once in a while

2008-08-04 Thread Mufit Eribol
Toby Bluhm wrote: Mufit Eribol wrote: Toby Bluhm wrote: Mufit Eribol wrote: I have a LV on RAID mounted as /mnt/raid. Then /mnt/raid/var is symlinked to /var. I was afraid you were going to say that. Go back to single user mode. mkdir /new_var cd /mnt/raid/var tar cf - . | ( cd /new_va

[CentOS] pam max locked memory issue after updating to 5.2 and rebooting

2008-08-04 Thread Rob Lines
We were previously running 5.1 x86_64 and recently updated to 5.2 using yum. Under 5.1 we were having problems when running jobs using torque and the solution had been to add the following items to the files noted "* softmemlock unlimited" in /etc/security/limits.conf "sessio

Re: [CentOS] 64bit vs 32bit

2008-08-04 Thread MHR
On Sat, Aug 2, 2008 at 11:28 AM, nate <[EMAIL PROTECTED]> wrote: > ... The above 64-bit system has 16G, the 32-bit > system above has 2G. > If you have a system with 8x the size of memory than another system, it will _need_ more memory just to run. I run 64-bit CentOS 5.2 on a system with 4GB of

Re: [CentOS] Outbound connections not using primary eth0 IP

2008-08-04 Thread Bill Campbell
On Mon, Aug 04, 2008, nate wrote: >Neil Aggarwal wrote: > >> Any ideas why this is happening? > >Try looking at this? >http://www.clintoneast.com/articles/multihomed.php > >In general I try to make sure my systems only have 1 default >gateway, makes life a lot easier. Leave the multi homing to >the

Re: [CentOS] HP ILO Fence Configuration

2008-08-04 Thread Lanny Marcus
On Mon, Aug 4, 2008 at 5:52 AM, Balaji <[EMAIL PROTECTED]> wrote: > Currently i am using HP x6600 Server and I have installed RHEL4 Update 4 AS > Linux and > RHEL4 Update 4 Support Cluster Suite in my server > I am new in fence and can any one help me how to configure HP ILO fence in > my server >

Re: [CentOS] Outbound connections not using primary eth0 IP

2008-08-04 Thread Bill Campbell
On Mon, Aug 04, 2008, Bill Campbell wrote: >On Mon, Aug 04, 2008, nate wrote: >>Neil Aggarwal wrote: >> >>> Any ideas why this is happening? >> >>Try looking at this? >>http://www.clintoneast.com/articles/multihomed.php >> >>In general I try to make sure my systems only have 1 default >>gateway, ma

[CentOS] model_editor.py

2008-08-04 Thread Bob Taylor
I have googled for this and also grepped the hplip sources without finding it. It is used to convert the models.dat file into models.xml. I need to insert my printer data into this file as it is not in the 5.2 hplip rpm. Could anyone help? I do not want to replace 5.2 rpm with a newer one. Thanks.

RE: [CentOS] Outbound connections not using primary eth0 IP

2008-08-04 Thread Neil Aggarwal
Filipe: I removed the GATEWAY line from the :0 and :1 files and now everything seems to be working perfectly. I don't understand how that works since the IP addresses from :0 and :1 are on a different subnet than the one for eth0 and they have a different gateway. I guess I don't understand the

Re: [CentOS] Outbound connections not using primary eth0 IP

2008-08-04 Thread Filipe Brandenburger
On Mon, Aug 4, 2008 at 15:31, Neil Aggarwal <[EMAIL PROTECTED]> wrote: > I don't understand how that works since the IP addresses > from :0 and :1 are on a different subnet than the one > for eth0 and they have a different gateway. I guess > I don't understand the finer points of networking. The

Re: [CentOS] Questions on cpu frequency scaling AMD vs. Intel

2008-08-04 Thread Kai Schaetzl
S.Tindall wrote on Mon, 4 Aug 2008 13:08:03 -0400: > http://products.amd.com/en-us/DesktopCPUFilter.aspx Thanks, nice tool! > Checking the cpuinfo on systems using a 4850e (G2) and a 4600+ EE > (F2) both give "cpu family: 15", so they have included the Gs in > the excluded group, too. Yeah. T

Re: [CentOS] Outbound connections not using primary eth0 IP

2008-08-04 Thread nate
Bill Campbell wrote: > It's worth noting that some software allows one to specify the outgoing IP > (e.g. using inet_interfaces in postfix or sourceaddress with innd). That certainly makes sense when you have multiple IPs that are routed by the same default gateway(most often in the same subnet,

Re: [CentOS] HP ILO Fence Configuration

2008-08-04 Thread Finnur Örn Guðmundsson
Balaji wrote: Dear All, Currently i am using HP x6600 Server and I have installed RHEL4 Update 4 AS Linux and RHEL4 Update 4 Support Cluster Suite in my server I am new in fence and can any one help me how to configure HP ILO fence in my server and HP ILO Fence Functionality Regards -S.Bala

Re: [CentOS] 64bit vs 32bit

2008-08-04 Thread Michael A. Peters
MHR wrote: On Sat, Aug 2, 2008 at 11:28 AM, nate <[EMAIL PROTECTED]> wrote: ... The above 64-bit system has 16G, the 32-bit system above has 2G. If you have a system with 8x the size of memory than another system, it will _need_ more memory just to run. I run 64-bit CentOS 5.2 on a system wi

[CentOS] rsync question

2008-08-04 Thread Mag Gam
Hi All, I am trying to understand the purpose of rsyncd. Why does it exist? Why not just use rsync ad-hoc or via script? Also, to a more serious note. I need to keep a filesystem on 1 server and another server synced by. What is the best way to do this? I want to have /source and /target to be ex

Re: [CentOS] rsync question

2008-08-04 Thread Kuang-Chun Cheng
On Tue, Aug 5, 2008 at 1:35 PM, Mag Gam <[EMAIL PROTECTED]> wrote: > Hi All, > > I am trying to understand the purpose of rsyncd. Why does it exist? > Why not just use rsync ad-hoc or via script? The rsyncd is optional. I did not use it by myself, so can't comment on that. > > Also, to a more se

Re: [CentOS] rsync question

2008-08-04 Thread John R Pierce
Mag Gam wrote: Hi All, I am trying to understand the purpose of rsyncd. Why does it exist? Why not just use rsync ad-hoc or via script? well, if you use rsync -> rsyncd, there's no encryption, so less CPU overhead, so faster transfers, but there's also less security, so this should only b

Re: [CentOS] rsync question

2008-08-04 Thread MJT
On Monday 04 August 2008 11:35:18 pm Mag Gam wrote: > Hi All, > > I am trying to understand the purpose of rsyncd. Why does it exist? > Why not just use rsync ad-hoc or via script? This is explained in the rsync documentation, read the man page for more info. You either need to use rsync with a r