Just wanted to get the lists opinion on clustering and what project to use. Any info would be greatly appreciated. Thanks -- Bo Lynch
On Thu, Feb 4, 2010 at 3:25 PM, Bo Lynch <blynch at ameliaschools.com> wrote:> Just wanted to get the lists opinion on clustering and what project to > use. Any info would be greatly appreciated. > ThanksThere are all types of clustering. What are you looking to do?
On Thu, February 4, 2010 3:31 pm, Kwan Lowe wrote:> On Thu, Feb 4, 2010 at 3:25 PM, Bo Lynch <blynch at ameliaschools.com> wrote: >> Just wanted to get the lists opinion on clustering and what project to >> use. Any info would be greatly appreciated. >> Thanks > > There are all types of clustering. What are you looking to do? > _______________________________________________I guess the main objective would be availability.
>>> Just wanted to get the lists opinion on clustering and what project to >>> use. Any info would be greatly appreciated. >>> Thanks >> >> There are all types of clustering. What are you looking to do? > > I guess the main objective would be availability.We need more information then just an "Availability Cluster." What application(s) do you want to cluster? What sort of environment/budget are you working with? What objective(s) are you trying to achieve? What are your expectations of the cluster itself, beyond just high availability? -- Drew "Nothing in life is to be feared. It is only to be understood." --Marie Curie
On Thu, February 4, 2010 4:09 pm, Drew wrote:>>>> Just wanted to get the lists opinion on clustering and what project to >>>> use. Any info would be greatly appreciated. >>>> Thanks >>> >>> There are all types of clustering. What are you looking to do? >> >> I guess the main objective would be availability. > > We need more information then just an "Availability Cluster." > > What application(s) do you want to cluster? What sort of > environment/budget are you working with? What objective(s) are you > trying to achieve? What are your expectations of the cluster itself, > beyond just high availability? > > > -- > Drew >Right know we have about 30 or so linux servers scattered through out or district. Was looking at ways of consolidating and some sort of redundancy would be nice. Will clustering not work with certain apps? We have a couple mysql dbases, oracle database, smb shares, nfs, email, and web servers.
Drew wrote:>> When you talk about the free version are your referring to Vmware server >> or is there a free version of Esxi? The website is a little misleading >> with "free trail" and such. > > ESXi is free to use. ESX / vSphere is the paid version.A common confusion point. While there is a free license available for ESXi and not for ESX, you can pay for ESXi to unlock additional functionality(such as live migration, HA, DRS etc) and still keep the "thin" hypervisor footprint that ESXi offers. nate
nate wrote:> Bo Lynch wrote: > >> Whats your thoughts on Vmware server over esxi? >> Really do not want to have to budget for Virtualization if I do not have to. > > Depends on the hardware, ideally esxi, though it is very > picky about hardware. > > And you should budget for it, storage will be a big concern if > you want to provide high availability. A good small storage > array(few TB) starts at around $30-40k.Have you investigated any of the mostly-software alternatives for this like openfiler, nexentastor, etc., or rolling your own iscsi server out of opensolaris or centos? -- Les Mikesell lesmikesell at gmail.com
On Fri, February 5, 2010 9:57 am, Les Mikesell wrote:> nate wrote: >> Bo Lynch wrote: >> >>> Whats your thoughts on Vmware server over esxi? >>> Really do not want to have to budget for Virtualization if I do not >>> have to. >> >> Depends on the hardware, ideally esxi, though it is very >> picky about hardware. >> >> And you should budget for it, storage will be a big concern if >> you want to provide high availability. A good small storage >> array(few TB) starts at around $30-40k. > > Have you investigated any of the mostly-software alternatives for this > like > openfiler, nexentastor, etc., or rolling your own iscsi server out of > opensolaris or centos? > > -- > Les Mikesell > lesmikesell at gmail.com > _______________________________________________No I have not, but now that you mention this I will definitely look into these. Thanks again for all your help and info. This has been a greta discussion. Bo Lynch
> Except that VMware is *based* on RHEL. Why would you *not* have a > Linux-based console?The best is to have a cross platform console because there a lot of linux sysadmin (including me) who run linux as a primary desktop OS -- Athmane Madjoudj
m.roth at 5-cent.us wrote:> Except that VMware is *based* on RHEL. Why would you *not* have a > Linux-based console?A common misconception. The linux based console is a VM in itself, and is used for management purposes only, it runs on top of the hypervisor. nate