Support for MD's that boot from their local drive has not been in LinuxMCE since 0710. MD's can have local hard drives however and these can be used to increase the total amount of media storage on the system...however we have found this problematic and in terms of reliability/stability and it also means that if you want to power down your MD's then the media that may be stored their local drives disappears too. So overall Diskless MD's with no local media storage are what we choose to use in our commercial installations.
Then that is what confused me, because I know I saw mention of using disks in MD setups, thank you for your clarification.
How fast do your MDs boot? Do customers have an issue with boot up speed? I guess that people would like and appliance to be instantly (or as fast as possible) turned on, right?
Our MM's boot in about 90secs on a Gigabit LAN. Typically user tend to leave MM's powered up but have the connected peripherals (eg TV, lights, Amplifiers etc) powered down to standby.
What are the exact reliability/stability issues that you had with MDs that have local drives? I would like to use really fast, quiet and low powered SDD drives for boot and I guess that MD could be configured to use HDD as read only and/or not to use local drive as storage but only as boot drive.
Local drives seemed to cause a lot of problems (lockups of the MM & the Core too are symptoms) with samba and even nfs to some extent. We did some work on trying to fix these problems but nwvwer managed to get reliability to a level we were happy with and in parallel with this we realised that having local storage in a system was in fact not an architecture that we wanted in our commercial installations so we never use this potential configuration.
You could use an SDD in the Core as long as it was large enough to allow for all the boot images for the MD's you need in a system. We dont currentl use SDD's we use a system HDD and usually at least 1 x additional HDD for media storage. We have also have a hardware raided System drive option that some customers choose for additional peace of mind (this raids the main OS drive across a pair of drives or for high-end installations across 6 drives). We never use software RAID in our installations for the system or for media storage.
Just to reiterate you system boot drive must be the Core and has to be read/write enabled.
All the best