[Xen-users] xen and ssd disks?

[Casper <kl@xxxxx>]

 Hello all,

 I just bought new Kingston V+ series 128gb to boost Oracle db in DomU 
instance. How I googled it, there is TRIM commands what introduced to 
2.6.28 and more or less working from 2.6.33 kernel...
I have old istalation running in PV context on Xen v3.3 with 
2.6.24-27-xen kernel on Ubuntu 8.04.4 LTS. My question is, does I need 
to install newest Xen with latest kernel to get TRIM support? How I 
understand then my SSD will be working longer.
Also, I exported it to DomU instance, like this:
disk = ['phy:/dev/sdc,ioemu:xvda3,w']
Is it right? All seems to work for now.
Later thinking to build raid 1 with SSD`s. Interested, this TRIM works 
if access to disk from DomU? I mostly use one kernel form Dom0 and DomU.
Any thoughts about this appreciated... I searched in list, didn`t find 
any info about using SSD in Xen environment...
thanks,

Casper

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