Folks,
Customer site: TSM running on AIX. 2 x IBM Enterprise Storage Server, one
per data centre. SAN connecting it all together.
Problem: I've seen and read all the posts about TSM mirroring vs AIX
mirroring vs RAID mirroring. I understand the probem with partial page
writes and prefer TSM mirroring. We had planned to implement TSM mirroring
with a copy of the database and recovery log on IBM ESS in both of the data
centres.
However company strategy says that *all* mirroring must be done via PPRC.
Does anyone have any experience with PPRC? Can it cope with partial page
writes? Am I safer to use TSM mirroring?
Regards
Richard.
Richard Bates
Storage Specialist
ITS - SB - Enterprise Consultancy Services
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