A customer has a VMAX 1 Engine with 128 GB of cache. The disks are configured in RAID 1 and SRDF is not implemented. The applications on the VMAX perform heavy writes with a ratio of 20/80 (Reads/Writes). Due to continuous rate of writes, the VMAX reaches the Device Write Pending Limit. What is the most cost effective way to address the problem?
Add cache on the VMAX
Spread write activity to more devices
Migrate from RAID 1 to RAID 5
Migrate from RAID 1 to RAID 6
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