Tim, I'd look into updating your NFS server version - there was a known bug about NFS taking all the cache and ram last year.
If update is not helpful, experiment with 'sync' and then 'echo 2 > /proc/sys/vm/drop_caches' I'd set cron and run few times a day, see if it helps. Regards ilya > -----Original Message----- > From: Tim Schultheiss [mailto:tschulthe...@dynamicquest.com] > Sent: Monday, March 04, 2013 5:01 PM > To: cloudstack-users@incubator.apache.org > Subject: RE: ISO Download Failing > > It looks like it was a memory issue on the NFS server. I started a remote > session and the server was taking a long time to respond to commands, and > all the RAM was being allocated to the cache. After a reboot I tried another > import, this time it transferred the file quickly. I checked it's resource > usage > and RAM is back to normal. We'll keep an eye on it and see how it performs. > > Thank you Ilya for your help! > > -----Original Message----- > From: Musayev, Ilya [mailto:imusa...@webmd.net] > Sent: Monday, March 04, 2013 3:18 PM > To: cloudstack-users@incubator.apache.org > Subject: RE: ISO Download Failing > > Tim, > > I may have experienced a similar issue a while back. See if you can run > tcpdump on SSVM to check for any issues and as to why this happens. I don't > believe SSVM uses wget when it puills the ISO, sniffing and analyzing the > pcap file would be better. > > This is shot in the dark, check the memory utilization and SSVM, maybe you > are running out of RAM? I've seen this in past as well, but I was running non- > stable development version of CS. > > Do you see anything in the logs for CS Management Server and SSVM under > /var/log/cloud/? > > Regards > ilya > > > -----Original Message----- > > From: Tim Schultheiss [mailto:tschulthe...@dynamicquest.com] > > Sent: Monday, March 04, 2013 10:04 AM > > To: cloudstack-users@incubator.apache.org > > Subject: RE: ISO Download Failing > > > > Hi Kirk, thanks for the reply. > > > > We performed a wget from the SSVM, and were able to download a full > > 3GB iso from an internal server. The connection was closed out and > > restarted twice during the attempt. > > For reference, we're using Cloudstack 4.0.0, with two CentOS 6.2 > > management servers and two Xen 6.02 hypervisors. > > > > -----Original Message----- > > From: Kirk Kosinski [mailto:kirkkosin...@gmail.com] > > Sent: Friday, March 01, 2013 8:59 PM > > To: cloudstack-users@incubator.apache.org > > Subject: Re: ISO Download Failing > > > > Hi, Billy. I don't think this is a common issue. Can you log in to > > the SSVM and try to wget a large ISO to see if it downloads successfully? > > > > Best regards, > > Kirk > > > > On 03/01/2013 07:44 AM, Billy Ramsay wrote: > > > I'm running into an issue while attempting to add ISOs to our > > > CloudStack environment. > > > > > > > > > > > > The ISO downloads fail with the error "HTTP server does not support > > > partial get". This happens with almost all ISO downloads, regardless > > > of OS type or where the ISO is being downloaded from (our own > > > internal ISO server setup for just this purpose, or many different > > > public HTTP mirrors). The download fails at random times during the > > > process, I've seen as little as 5% complete, and a few get to 99% > > > before > failing. > > > > > > > > > > > > Has anyone else run into this issue? > > > > > > > > > > > > Thanks in advance. > > > > > > > > > > > > > > > > >