I've got IOWait (R) (041) and IOwait (W) (044). Cant login into the database to do a restart for example.
Cant log a SAP call right now as I don't have the pw for the correct S-user available at the moment.
I know it means a data read/write deadlock, but how to fix it ?
List of suspend reasons:
========================
total suspends: 522238
Vwait : 3 ( 0.00% ) k53wait
IOWait(R)(041) : 100 ( 0.02% ) b13get_node: await read :-(
IOWait(W)(044) : 4 ( 0.00% ) b13pfree_pno :-(
PagerWaitWritr : 5758 ( 1.10% ) Pager_Controller::WaitForPagerWritReply
JobWait Redo : 6 ( 0.00% ) Rst_RedoManager::RedoLog
SVP-End (230) : 1 ( 0.00% ) Log_SavepointSync::LockSVPSyncEntry
NoRedoJob(231) : 12 ( 0.00% ) Rst_RedoTrafficControl::ExecuteJobs()
LogIOwait(234) : 40378 ( 7.73% ) Log_Queue::UserTaskEOTReady
SVP-wait (243) : 2 ( 0.00% ) Log_Savepoint::StartSavepointAndWait
No-Work (255) : 475974 ( 91.14% ) Task is waiting for work
Environment:
NW 7.30 Java, MaxDB 7.8.02.036. Steps: SUM10SP08_06 patch preparation steps, Kernel 721_REL patch 100.
Thanks and Regards, Norbert