[OpenAFS] OpenAFS for Windows 1.7.15: NIM/Heimdal crashes

2012-07-03 Thread Arne Wiebalck
Hi, We observe what seems to be two different types of NIM/Heimdal crashes when using Heimdal 1.5.1 NIM 2.0.102.907 OpenAFS for Windows 1.7.15 Windows 7 Enterprise SP1, 64 bit The first crash happens intermittently when obtaining new krb5 credentials. We have not found a way yet to reproduce i

[OpenAFS] Transfer rates under OpenAFS client for Windows

2012-07-03 Thread Danko Antolovic
I have Windows OpenAFS client 1.7.1500 on a 32-bit machine with Windows XP and a 100 mbit/s network interface. Line rate between the client's port and the target AFS file server is ca. 96 mbit/s for UDP, in both directions (measured with iperf). When I copy a single large file (ca. 1 GB) from

Re: [OpenAFS] Transfer rates under OpenAFS client for Windows

2012-07-03 Thread Jeffrey Altman
On 7/3/2012 4:27 PM, Danko Antolovic wrote: > My first question is why copying from the client to the file server is > so much slower (by a factor of 2 or 3) than the other way around. The > other question is why the network utilization, at least as reported > under Windows, never approaches the

RE: [OpenAFS] Transfer rates under OpenAFS client for Windows

2012-07-03 Thread Dyer, Rodney
I'm not sure if this information still applies here, but back in 2010 I did some testing and found that some of our DELL client machines with Intel based "on board" network chips performed significantly slower on writes than reads. We were using Windows XP Pro SP3 (32bit). The OpenAFS client w

Re: [OpenAFS] Transfer rates under OpenAFS client for Windows

2012-07-03 Thread Jeffrey Altman
On 7/3/2012 8:30 PM, Jeffrey Altman wrote: > On 7/3/2012 4:27 PM, Danko Antolovic wrote: > >> My first question is why copying from the client to the file server is >> so much slower (by a factor of 2 or 3) than the other way around. The >> other question is why the network utilization, at least