Re: [CentOS-virt] LVM mirror database to ramdisk

On Fri, Jan 22, 2016 at 11:02 AM, Ed Heron wrote: > I'm still running CentOS 5 with Xen. > > We recently replaced a virtual host system board with an Intel > S1400FP4, so the host went from a 4 core Xeon with 32G RAM to a 6 core > Xeon with 48G RAM, max 96G. The drives

Re: [CentOS-virt] LVM mirror database to ramdisk

On Fri, 2016-01-22 at 14:56 -0600, NightLightHosts Admin wrote: > On Fri, Jan 22, 2016 at 11:02 AM, Ed Heron wrote: > > I'm still running CentOS 5 with Xen. > > > > We recently replaced a virtual host system board with an Intel > > S1400FP4, so the host went from a 4 core

Re: [CentOS-virt] LVM mirror database to ramdisk

On Fri, Jan 22, 2016 at 4:54 PM, Ed Heron wrote: > Yes, but it isn't that simple. One copy of the mirror would be on a > physical disk. The other copy of the mirror would be on RAM disk. > Since data in RAM doesn't generally survive reboot, the RAM piece would > need to be

Re: [CentOS-virt] LVM mirror database to ramdisk

> Ed Heron wrote: > Yes, in a test environment, I am mirroring a Logical Volume with a RAM > disk to increase the perceived speed of the disk. I'm expecting to > convert a live guest to this type of setup, this weekend. > > I was asking 2 questions. > 1. Should I

Re: [CentOS-virt] LVM mirror database to ramdisk

On Fri, 2016-01-22 at 16:17 -0600, NightLightHosts Admin wrote: > > Ed Heron wrote: > > Yes, in a test environment, I am mirroring a Logical Volume with a RAM > > disk to increase the perceived speed of the disk. I'm expecting to > > convert a live guest to this type of

Re: [CentOS-virt] Hostname inside lxc container

On Thu, Jan 21, 2016 at 6:25 PM, Dennis Jacobfeuerborn wrote: > On 21.01.2016 15:44, C. L. Martinez wrote: >> Hi all, >> >> I have installed a CentOS6 lxc guest under a Debian 8.x LXC host. All >> it is working ok but I can't change the hostname for the centos6 lxc >>

Re: [CentOS-virt] LVM mirror database to ramdisk

On Fri, 2016-01-22 at 16:59 -0600, NightLightHosts Admin wrote: > On Fri, Jan 22, 2016 at 4:54 PM, Ed Heron wrote: > > Yes, but it isn't that simple. One copy of the mirror would be on a > > physical disk. The other copy of the mirror would be on RAM disk. > > Since data

Re: [CentOS-virt] LVM mirror database to ramdisk

Ed Heron wrote: > Absolutely, I'll share my real world results. I'm happy that I'm not > the only person interested in the technique. I'm a little disappointed > somebody isn't telling me there is a much simpler method of putting my > database in RAM. The technique is

[CentOS-virt] LVM mirror database to ramdisk

I'm still running CentOS 5 with Xen. We recently replaced a virtual host system board with an Intel S1400FP4, so the host went from a 4 core Xeon with 32G RAM to a 6 core Xeon with 48G RAM, max 96G. The drives are SSD. I was recently asked to move an InterBase server from Windows 7 to

Re: [CentOS-virt] LVM mirror database to ramdisk

On Fri, 2016-01-22 at 17:39 -0600, NightLightHosts Admin wrote: > Ed Heron wrote: > > Absolutely, I'll share my real world results. I'm happy that I'm not > > the only person interested in the technique. I'm a little disappointed > > somebody isn't telling me there is a