This is all on one server (other than its clone on my test network). It is rhel 5.1
B -----Original Message----- From: Jason Slagle [mailto:[email protected]] Sent: 17 September 2009 13:21 To: Brian O'Mahony Cc: Roehrig, Jack (John); [email protected] Subject: RE: Vmware ESXi (3.5) and RHEL (5.1) : Timekeeping Woes On Thu, 17 Sep 2009, Brian O'Mahony wrote: > Jack > > This is a great in detail explanation, thanks. Ill explain a little more > about our scenario. I think you may have it the nail on the head with this. > > We have a machine with 4Gb non-reserved memory. It can use up to 4G but we > have never seen any where near that level of usage. The machine uses between > 200ish and 2gig. The issues we have been seeing on this machine: > > > 1. Time skew. Randomly. Fine for weeks then happened twice in three > days. We have turned off the VMWare tools host-guest synch, and I have edited > the ntp.conf (but not turned the service back on till I get clearance for it) > > 2. Random slow downs. As you described. Memory, CPU, usage in Virtual > Infastructure client graphs are all nominal - bout 25% usage. However > everything on the server was running sallow. (Server hosts bugtracking, wikis > newsgroups). Everything else on the Host was running fine (all windows > systems) > > 3. Taking a clone of the machine, while running, on two separate > occasions has crashed it. The VM completely hung. > > 4. "ethtool operation 3 not supported" constantly in dmesg. Unrelated I > know. However I have a test version of this VM on our test network (pretty > much a replica of the live network but without contant load/use) and this > doesn't appear. At all. > > Im beginning to hate Linux on VMWare. :P > FWIW, I run 60 linux VM's on my cluster, with no issues at all such as these. Make sure you have tools installed on all of them. What Distro are these? Jason -- Jason Slagle - RHCE /"\ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \ / ASCII Ribbon Campaign . X - NO HTML/RTF in e-mail . / \ - NO Word docs in e-mail . The information in this email is confidential and may be legally privileged. It is intended solely for the addressee. Access to this email by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. If you are not the intended addressee please contact the sender and dispose of this e-mail. Thank you. _______________________________________________ Linux-PowerEdge mailing list [email protected] https://lists.us.dell.com/mailman/listinfo/linux-poweredge Please read the FAQ at http://lists.us.dell.com/faq
