[Xen-users] howto upgrade

[SZABO Zsolt <szazs@xxxxxxxxx>]

Hi,

I would like to ask the proper or recommended way of upgrading xen...?

I started with 3.1.0 then upgraded to 3.2.1 but now I am not able to use 
the original system. Since I am not satisfied[*] with the current setup
I would try to upgrade to 3.3.1 but it would be nice if something went 
wrong I could downgrade it to 3.2.x... It is a pitty that booting the 
previous xen image does not work because of the changed libs.
[*] The problem is that under heavy load in dom0 (or IO operation like 
performing the daily backups) I get a lot of "Time went backwards, etc." 
and sometimes (per 1-2 months) it crashes (freezes). The hw is a TYAN 
VX-50 w/ 4 Dual-Opteron 8220 CPUs and 4 500G WD RAID ED. discs (pairwise 
in software raid1, so the total capacity is ~1TB). Unfortunately the 
onboard NV SATA controller did not work under XEN so an ADAPTEC PCI card 
had to be installed.
So any hints or URLs are welcome,
--
Zsolt

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