ADSM-L

[no subject]

1995-01-09 13:45:02
From: Greg Tevis <gtevis AT VNET.IBM DOT COM>
Date: Mon, 9 Jan 1995 11:45:02 MST
Michel,

The high threshold specifies at what percentage adsm should START
migration of the storage pool.  You should also specify LOWMIG=0
to specify at what percentage to STOP migration.  I think LOWMIG=0
is the parameter you're looking for and should cover the scenario
you describe below...

Greg Tevis
ADSM Technical Support

************************************************************************
Hi there,

I've got the following problem :

Every week we are supposed to make a "exact copy" of the data saved and register
ed in our ADSM server (running under VM) in case of disaster recovery. So the wa
y we are doing it is the following :

-Disable the server
-Start the migration of disk STG to 3490 (using UPDATE STG HIGHMIG=1)
-Start the migration of disk STG to 3490 (using UPDATE STG HIGHMIG=1)
-When the former is done start the DUMP DB CONSISTENT=YES
-When the former is done start the DUMP DB CONSISTENT=YES
-Copy every 3490 volume to another one going to a safe place (!)
-Copy every 3490 volume to another one going to a safe place (!)
-Re-enable the server.
-Re-enable the server.
The problem is the limitation we get in the HIGHMIG spec : we cannot ask 0 !!
The problem is the limitation we get in the HIGHMIG spec : we cannot ask 0 !!
that means that we are not sure to get all the files on disk copied on 3490 ..
if %mig < 1 ...

Is this limitation (1 and not 0)  for HIGMIG in no way changeable ???
Maybe you ADSM experts can provide me with another command that does the same th
ing (but not MOVE DATA that erases the data after moving them).

many thanks in advance,  michel
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