Microsoft Exchange Server has high I/O on VMAX

Hi Experts. We are having write pending issues with our Exchange servers/VMAX. There is a plan to add 80 SATA drive and drain device groups. Hopefully, performance will improve.
What could some of the issue for poor performance (high I/O's) be with Exchange and VMAX?
Rhiaanon44Asked:
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BusbarSolutions ArchitectCommented:
so you are asking what caused high IOPs from the Exchange.
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Rhiaanon44Author Commented:
Hi Busbar. Yes. We want to monitor its performance. So any info on it would be appreciated. Thank you qaurav05 that document link is great!
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BusbarSolutions ArchitectCommented:
If you want to monitor Exchange IOPs you can check the disk reads/seconds and writes/seconds, more is here
http://technet.microsoft.com/en-us/library/ee832791.aspx
however it might be simply because your users are performing heavy transactions on the Exchange so you might need to add disk so nothing is wrong with Exchange itself.
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Rhiaanon44Author Commented:
Thank you both. The information was very helpful!
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