命令 onmode -? 可获取帮助, $ onmode /? onmode: Unknown option /? usage: onmode -abcDdFklMmnOpQRrSsuyZz -a Increase shared memory segment size. -a Increase shared memory segment size. -b Revert Dynamic Server disk structures. -c [block | unblock] Do Checkpoint. Block or unblock server. -D -d {standard|{primary|secondary }} set DR server type -F Free unused memory segments -k Shutdown completely -l Force to next logical log -M -m Go to multi-user on-line -n Set shared memory buffer cache to non-resident -O Override space down blocking a checkpoint -p <+-#> Start up or remove virtual processors of a specific class -Q -R Rebuild the /INFORMIXDIR/etc/.infos.DBSERVERNAME file -r Set shared memory buffer cache to resident -S -s Shutdown to single user -u Shutdown and kill all attached sessions -y Do not require confirmation -Z heuristically complete specified transaction -z Kill specified session id $