[CentOS-virt] SATA vs RAID5 vs VMware

Fri Oct 2 15:12:38 UTC 2009
Philip Gwyn <liste at artware.qc.ca>

An update : I've moved all the VM memory files into a tmpfs.  Confirmed with
lsof that the mm0 and ram0 files are on that tmpfs.  Though not the WinXP's

After 2 days, back to the same problem.

What's more iostats -tkx 10 shows %util nearly maxing out every 30 seconds. 
Running top at the same time, the top processes are vmware-vmx, but it varies
amoung which VM so I can't accuse a single instance.

Here is iostat output from with no user logged in :

This is iostat after 2 days of all VMs working :

Next up, downgrading to CentOS 4.  Which is going to be annoying, for a variaty
of non-techncal reasons.