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We need to add capacity to our EMC DMX4 which currently has 146 and 300gb 15k drives. The 146gb drives may be difficult to get so my questions is given todays technology with drive IOPS, should it be a concern if I need to expand the amount of disk to an existing host that currently has 146gb...
Can I configure Tier 0 on a SAN ?
We are mainframe users (IBM Z9 and Z10). All DASD is IBM DS8300 and we are looking at the implementation of a second tier. We would like to put our DFSMS/HSM ML1 data on FATA-disk. After some calculations we found out that a 150 TB second tier buffer would be big enough to store one year of ML1...