Phil Schwan
2006-May-19 07:36 UTC
[Lustre-discuss] What does "slow start_page_write" mean?
Christoph Biardzki wrote:> > what does this message mean? > > LustreError: 2618:(filter_io.c:326:filter_preprw_write()) slow > start_page_write 95s > > it sometimes appears while the system is writing a large file (eg. > iozone) and the data transfer stalls for several seconds.This means that it took an extremely long time to allocate a batch of memory pages. These pages will be used first to receive the network traffic, and then to write to disk. Is this node running both a client and an OST? -Phil
Christoph Biardzki
2006-May-19 07:36 UTC
[Lustre-discuss] What does "slow start_page_write" mean?
Hello, what does this message mean? LustreError: 2618:(filter_io.c:326:filter_preprw_write()) slow=20 start_page_write 95s it sometimes appears while the system is writing a large file (eg.=20 iozone) and the data transfer stalls for several seconds. Regards, Christoph --=20 Leibniz Rechenzentrum M=FCnchen (LRZ) http://www.lrz.de High Performance Systems Division Barer Str. 21 - 80333 Munich - Germany Tel. ++49-(0)89 / 289-28853, Room S1527