Chapter 10.7. Monitoring
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Chapter 10. Hosts 197 10.6 Mirroring considerations As you plan how to fully utilize the various options to back up your data via mirroring functions, consider how to keep a consistent set of data for your application. This implies some level of control by the application or host scripts to start and stop mirroring with both host- based mirroring and back- end storage mirroring features. It also implies a group of disks that must be kept consistent with respect to each other. Host applications have a certain granularity to their storage writes. The data has a consistent view to the host application only at certain times. This level of granularity is at the file system level as opposed to the SCSI read/ write level. ...
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