Hi,

In the company I am working for their adsm system is used in the following 
way....

1) aix clients are backup up to disk pools
2) These disk pools have migration thresholds of
low=0% high =80%
3) If the high is reached then it is migrated to a tape pool.

My question is this :

If during the daily backup this high threshold is not met on some of the disk 
pools,then this means that there is a whole load of client data residing on (in 
our case)  1 disk.
If that disk pops then goodbye data ( could be maybe 3 days worth ?)

What is the solution to this ?

Is it possible to mirror the disk pools aix logical volume  to another disk 
using aix ? or is this not possible because there are adsm disk pools in the lv 
?.

Would it just be better to lower the high migrate threshold to a very low value 
?

There is no disaster recovery as yet for this machine (no offsite backups etc ) 
but in the meantime I still do not want to end up losing any data due to disk 
failures etc.

Please help.



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