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Hardware Change effect

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  • Hardware Change effect

    Hi Freinds, AS400 system flashed a degraded IOA performance message in QSYSOPR. This message points towards 2741 Raid controller card, indicating Cache card failure. System is operational. System DASD's are under mirroring and have 2 Raid controller each controlling 5 number of DASD. What could be the impact of replacing 2741 Raid controller with 2748 Raid controller. ?? What activity I will have to do if I want to upgrade this controller ? OS reloading required !?! And what if I only replace the degraded 2741 with 2748? Any experience then pls share! TIA Rajesh
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