On Jan 7, 2012, at 00:19 , Tim Small wrote: > On 06/01/12 19:35, Quentin MACHU wrote: >> Hello, >> >> Thanks again! >> >> You mean that we should use for exemple this stable kernel : >> http://download.openvz.org/kernel/branches/rhel6-2.6.32/042stab044.11/vzkernel-2.6.32-042stab044.11.i686.rpm >> to get a lot of stability ? By following this little guide : >> http://wiki.openvz.org/Install_kernel_from_rpm_on_debian. >> >> The apps won't be so disk IO-vore. Tons of VM are for... LAMP / VocalServer >> / Minecraft & other game servers... > > Isn't that "putting all your eggs in one basket"? What happens if that > machine has a hardware fault? Personally, I'd perhaps favour going for e.g. > 4 or 5 Sandy Bridge based machines, each being quad core, and with 32G RAM > (maybe something like a Dell R210 II), and use some sort of clustering system > (maybe pacemaker with drbd, or glusterfs, or sheepdog) to distribute the > storage between the nodes, and allow moving VMs between nodes.
do not recomment gluster or sheepdog - they are nowhere near production quality. So speaking about reliability - a described HW with SAS drives RAID is by far more reliable. > May well be cheaper too, but almost certainly more reliable... Larger > numbers of simpler cheaper machines is how Google, Amazon etc. do it - big > fat machines like the one you've described are usually trouble in my > experience... > > Tim. > -- > South East Open Source Solutions Limited > Registered in England and Wales with company number 06134732. > Registered Office: 2 Powell Gardens, Redhill, Surrey, RH1 1TQ > VAT number: 900 6633 53 > http://seoss.co.uk/ +44-(0)1273-808309 > <ATT00001.c> _______________________________________________ Users mailing list Users@openvz.org https://openvz.org/mailman/listinfo/users
