Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-21 Thread Ross Walker
On Jun 20, 2011, at 9:56 AM, Kwan Lowe wrote: > On Thu, Jun 16, 2011 at 8:59 AM, Les Mikesell wrote: >> >>> There is no reason that should be true. Copying 20GB out of an LV >>> should take exactly the same amount of time as copying 20GB out of a file. >> >> What about the destination? Would

Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-20 Thread Kwan Lowe
On Thu, Jun 16, 2011 at 8:59 AM, Les Mikesell wrote: > >> There is no reason that should be true.  Copying 20GB out of an LV >> should take exactly the same amount of time as copying 20GB out of a file. > > What about the destination?  Wouldn't it likely be harder to find a place to > put > the L

Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-16 Thread Gordon Messmer
On 06/16/2011 05:59 AM, Les Mikesell wrote: > What about the destination? Wouldn't it likely be harder to find a place to > put > the LV copy than space to write a file? Or can you copy back and forth? Yes, you can copy the content of a partition to a file and use it that way, or the reverse.

Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-16 Thread Les Mikesell
On 6/16/11 1:56 AM, Gordon Messmer wrote: > On 06/15/2011 05:52 PM, Ljubomir Ljubojevic wrote: >> Drawback is that such KVM guest is not as easy to move to another host >> if current host can not boot. Copying image and config files will be >> much faster. > > There is no reason that should be true

Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-15 Thread Gordon Messmer
On 06/15/2011 05:52 PM, Ljubomir Ljubojevic wrote: > Drawback is that such KVM guest is not as easy to move to another host > if current host can not boot. Copying image and config files will be > much faster. There is no reason that should be true. Copying 20GB out of an LV should take exactly

Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-15 Thread Ljubomir Ljubojevic
Gordon Messmer wrote: > That's probably true. image file backed guests are a whole lot slower > than guests that run on partitions or logical volumes. Logical volumes > are the easiest option to manage, with good performance characteristics. > > Hopefully that made sense. Ask questions if no

Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-15 Thread Gordon Messmer
On 06/13/2011 02:00 PM, Jeff Boyce wrote: > I am a novice system administrator and will soon be purchasing a new server > to replacing an aging file server for my company. I am considering setting > up the new server as a KVM host with two guests; one guest as the Samba file > server and a second

Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-13 Thread Miguel Medalha
> (...) I am hoping that someone here can give me some pointers, or point me to > some clear > how-to's somewhere. Any help is appreciated. Thanks Some good guides on virtualization and LVM reside here: https://access.redhat.com/knowledge/docs/Red_Hat_Enterprise_Linux/ vmware also has some v