Re: [CentOS-virt] Centos 5.2, Xen and "/lib[64]/tls"

2009-02-13 Thread Christopher G. Stach II

- "Dennis J."  wrote:

> What exactly determines whether the guests will be running slow or not
> and 
> how "slow" are we talking about?

It depends on the version of glibc and how it's compiled and/or configured.  
The xen list archives is probably the best place to look for more information.

-- 
Christopher G. Stach II


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Re: [CentOS-virt] Centos 5.2, Xen and "/lib[64]/tls"

2009-02-13 Thread Dennis J.
On 02/13/2009 05:22 PM, Christopher G. Stach II wrote:
> - "Manuel Wolfshant"  wrote:
>
>> Dennis J. wrote:
>>> Hi,
>>>
>>> I'm setting up a few machines for virtualization using Xen on Centos
>> 5.2
>>> x86_64. A lot of how-to's out there tell me to do something like "mv
>>> /lib/tls /lib/tls.disabled" or similar actions or else Xen might not
>> work
>>> correctly. Is this something that is still relevant
>> No, it is not relevant since 2006
>
> It may be relevant since it depends on the guest.  It's not clear in the 
> original post whether it's the host or the guest that's 5.2.  In the worst 
> case, the guests will just be a little slow. :)
>

The hosts are Centos 5.2 x86_64 systems. The guests will initially be 
Debian Sarge i386 systems using HVM virtualization (legacy systems, don't 
ask) but hopefully these will be replaced eventually by Centos guests too.
What exactly determines whether the guests will be running slow or not and 
how "slow" are we talking about?

Regards,
   Dennis
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Re: [CentOS-virt] Centos 5.2, Xen and "/lib[64]/tls"

2009-02-13 Thread Christopher G. Stach II

- "Manuel Wolfshant"  wrote:

> Dennis J. wrote:
> > Hi,
> >
> > I'm setting up a few machines for virtualization using Xen on Centos
> 5.2 
> > x86_64. A lot of how-to's out there tell me to do something like "mv
> 
> > /lib/tls /lib/tls.disabled" or similar actions or else Xen might not
> work 
> > correctly. Is this something that is still relevant 
> No, it is not relevant since 2006

It may be relevant since it depends on the guest.  It's not clear in the 
original post whether it's the host or the guest that's 5.2.  In the worst 
case, the guests will just be a little slow. :)

-- 
Christopher G. Stach II


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Re: [CentOS-virt] Centos 5.2, Xen and "/lib[64]/tls"

2009-02-13 Thread Manuel Wolfshant
Dennis J. wrote:
> Hi,
>
> I'm setting up a few machines for virtualization using Xen on Centos 5.2 
> x86_64. A lot of how-to's out there tell me to do something like "mv 
> /lib/tls /lib/tls.disabled" or similar actions or else Xen might not work 
> correctly. Is this something that is still relevant 
No, it is not relevant since 2006

> or does it only apply 
> to older versions of Xen/Centos? 
exactly

> If this is still necessary what is the 
> best way to disable this permantently so that after an update the directory 
> doesn't get created again?
>   
it is not necessary, so no special settings are needed.
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[CentOS-virt] Centos 5.2, Xen and "/lib[64]/tls"

2009-02-13 Thread Dennis J.
Hi,

I'm setting up a few machines for virtualization using Xen on Centos 5.2 
x86_64. A lot of how-to's out there tell me to do something like "mv 
/lib/tls /lib/tls.disabled" or similar actions or else Xen might not work 
correctly. Is this something that is still relevant or does it only apply 
to older versions of Xen/Centos? If this is still necessary what is the 
best way to disable this permantently so that after an update the directory 
doesn't get created again?

Regards,
   Dennis
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