topic Re: What does SSSU WAIT_FOR_COMPLETION option wait for? in Storage Software https://community.hpe.com/t5/storage-software/what-does-sssu-wait-for-completion-option-wait-for/m-p/3165265#M443 The WAIT/NOWAIT reffers to the SAN appliance, and if you can use the Appliance while this activity is occuring.<BR /><BR />If you issue the WAIT, and it takes one hour to complete... you will not be able to do anything else with your Appliance/EVA while it is waiting for this command to complete.<BR /><BR />We rapidly learned to use the NOWAIT This allows for other activities to occur while your process(es) is running in the background. Fri, 23 Jan 2004 01:18:25 GMT Mike Naime 2004-01-23T01:18:25Z What does SSSU WAIT_FOR_COMPLETION option wait for? https://community.hpe.com/t5/storage-software/what-does-sssu-wait-for-completion-option-wait-for/m-p/3165264#M442 The Storage System Scripting Utility (SSSU) reference guide mentions a "WAIT_FOR_COMPLETION" option for the (among others) ADD COPY, ADD SNAPSHOT and DELETE VDISK commands. <BR /><BR />I am looking at doing a backup of a database by building around the following sequence:<BR /> ...<BR /> i) pause database<BR /> j) ADD SNAPSHOT NOWAIT_FOR_COMPLETION <ALL database="" disks=""><BR /> k) resume database<BR /> l) sleep to allow snapshots to complete<BR /> ...<BR /><BR />Questions: What are the snapshots waiting for? <BR />If NOWAIT_FOR_COMPLETION is specified with the ADD COPY or ADD SNAPSHOT commands, is the snapshot not valid when the command returns?<BR />Will the snapshots be a consistent picture of the database after step "k" or not?</ALL> Thu, 15 Jan 2004 09:08:20 GMT https://community.hpe.com/t5/storage-software/what-does-sssu-wait-for-completion-option-wait-for/m-p/3165264#M442 Sheldon Smith 2004-01-15T09:08:20Z Re: What does SSSU WAIT_FOR_COMPLETION option wait for? https://community.hpe.com/t5/storage-software/what-does-sssu-wait-for-completion-option-wait-for/m-p/3165265#M443 The WAIT/NOWAIT reffers to the SAN appliance, and if you can use the Appliance while this activity is occuring.<BR /><BR />If you issue the WAIT, and it takes one hour to complete... you will not be able to do anything else with your Appliance/EVA while it is waiting for this command to complete.<BR /><BR />We rapidly learned to use the NOWAIT This allows for other activities to occur while your process(es) is running in the background. Fri, 23 Jan 2004 01:18:25 GMT https://community.hpe.com/t5/storage-software/what-does-sssu-wait-for-completion-option-wait-for/m-p/3165265#M443 Mike Naime 2004-01-23T01:18:25Z