Exadata General (MOSC)

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Exadata Storage Server periodicall discharge and charge of the controller battery

edited Apr 30, 2012 9:14AM in Exadata General (MOSC) 2 comments
hi ,

as per Owner's Guide

"The disk controller on each Exadata Storage Server periodically performs a discharge

and charge of the controller battery. During the operation, the write cache policy

changes from write-back caching to write-through caching. Write-through cache mode

is slower than write-back cache mode"

my concern is ...

1. how much time it takes for charge and decharge?

2. if all the Storage server perform this procedure in a same time and all goes to write through cache mode is there any impact in data processing?

3. if there is any impact can we use different 7 days for 7 cell server in exadata x2-2 half-rack as we have configure the ASM as high availability mode?

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