On Dec 30, 2012, at 7:36 AM, Richard Ryniker wrote:
> It has to be technically possible, but I have not heard about any utility
> to defragment a logical volume... to modify the mapping of logical
> extents to physical extents (simultaneously, for all the logical volumes
> in a volume group) in
True, a usage scenario can often be devised to manifest the worst aspects
of any allocation scheme. There are many other factors that can have so
much influence that I suspect the number of partitions and volume groups
may have little to do with actual performance.
Disk device caching and operati
On 12/29/2012 03:45 PM, Richard Ryniker wrote:
>> How does having two PVs on the same spindle increase latency?
>
> Longer seeks - from one PV to the other - instead of two writes into the
> same PV.
>
Or the opposite depending on where the data is placed.
One PV/VG:
Create a 200G guest, make a
>How does having two PVs on the same spindle increase latency?
Longer seeks - from one PV to the other - instead of two writes into the
same PV.
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On 12/28/2012 05:47 PM, Chris Murphy wrote:
>
> On Dec 28, 2012, at 1:39 AM, Ed Greshko wrote:
>
>> On 12/28/2012 12:31 AM, Chris Murphy wrote:
>>>
>>> If you mean you want a single partition consuming the whole disk, all of it
>>> in the VG, but to specify LVs that don't use all of the space i
On Dec 28, 2012, at 1:39 AM, Ed Greshko wrote:
> On 12/28/2012 12:31 AM, Chris Murphy wrote:
>>
>> If you mean you want a single partition consuming the whole disk, all of it
>> in the VG, but to specify LVs that don't use all of the space in the VG, no
>> you can't do that within anaconda. Y
On 12/28/2012 12:31 AM, Chris Murphy wrote:
> On Dec 26, 2012, at 7:11 AM, Ed Greshko wrote:
>
>> On 12/26/2012 08:51 PM, Chris Murphy wrote:
>>> On Dec 26, 2012, at 5:03 AM, Ed Greshko wrote:
>>>
What I wanted to do was create a large physical volume and then create
several logical vo
On Dec 26, 2012, at 7:11 AM, Ed Greshko wrote:
> On 12/26/2012 08:51 PM, Chris Murphy wrote:
>> On Dec 26, 2012, at 5:03 AM, Ed Greshko wrote:
>>
>>> What I wanted to do was create a large physical volume and then create
>>> several logical volumes within and some un-allocated space. I want
On Dec 27, 2012, at 3:07 AM, Daniel Krawchuk wrote:
>
> You cannot create the LV's using the installer. You have to do that manually
> using the LVM tools.
Not true for a long time. When you create mount points, set to device type LVM,
they become LVs.
In anaconda 18.37.8 (probably 7 also
On Wed, 2012-12-26 at 22:11 +0800, Ed Greshko wrote:
> On 12/26/2012 08:51 PM, Chris Murphy wrote:
> > On Dec 26, 2012, at 5:03 AM, Ed Greshko wrote:
> >
> >> What I wanted to do was create a large physical volume and then create
> >> several logical volumes within and some un-allocated space.
On 12/26/2012 08:51 PM, Chris Murphy wrote:
> On Dec 26, 2012, at 5:03 AM, Ed Greshko wrote:
>
>> What I wanted to do was create a large physical volume and then create
>> several logical volumes within and some un-allocated space. I want to do
>> this since I'm not certain as to the ultimate s
On Dec 26, 2012, at 5:03 AM, Ed Greshko wrote:
> What I wanted to do was create a large physical volume and then create
> several logical volumes within and some un-allocated space. I want to do
> this since I'm not certain as to the ultimate size needs of the partitions as
> time goes by.
What I wanted to do was create a large physical volume and then create several
logical volumes within and some un-allocated space. I want to do this since
I'm not certain as to the ultimate size needs of the partitions as time goes
by. So, if need be, I can add to a partition or shrink a parti
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