On Tue, 24 Jan 2006, Gerhard Schneider wrote:
It's getting me mad.. It seems that with 2.6 (compared to 2.4) there has something been changed in the kernel that I'm not aware of so I'm not able to write/read tapes efficiently anymore..
Put options st try_direct_io=0 in /etc/modprobe.conf. Direct I/O defeats read-ahead, and significantly (factor of >5) degrates read performance. I don't know about writes. Chip -- Charles M. "Chip" Coldwell "Turn on, log in, tune out" - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
