Michael, The worst case would probably involve reading/writing the same file extents across multiple nodes. You could probably whip up a script using /bin/dd for such a thing. Or is that too evil for you?
-Cory -- On 6/2/17, 2:32 AM, "lustre-discuss on behalf of Michael Kluge" <[email protected] on behalf of [email protected]> wrote: Hi all, I am looking for IOR scripts that represent pathological use cases for file systems. Something like shared file access with a small, unaligned block size or random I/O to a shared file. Does anyone has some input for me there that he/she is willing to share? Regards, Michael -- Dr.-Ing. Michael Kluge Technische Universität Dresden Center for Information Services and High Performance Computing (ZIH) D-01062 Dresden Germany Contact: Falkenbrunnen, Room 240 Phone: (+49) 351 463-34217 Fax: (+49) 351 463-37773 e-mail: [email protected] WWW: http://www.tu-dresden.de/zih _______________________________________________ lustre-discuss mailing list [email protected] http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
