430 Implementing the IBM Storwize V5000 Gen2 with IBM Spectrum Virtualize V8.1
2. The Validate Volume Copies dialog opens, as shown in Figure 8-71.
Figure 8-71 Validate Volume Copies panel
The following options are available:
– Generate Event of Differences
Use this option if you want to verify that the mirrored volume copies are identical. If any
difference is identified, the command stops and logs an error that includes the logical
block address (LBA) and the length of the first difference. You can use this option,
starting at a different LBA each time, to count the number of differences on a volume.
– Overwrite Differences
Use this option to overwrite contents from the primary volume copy to the other volume
copy. The command corrects any differing sectors by copying the sectors from the
primary copy to the copies, which are compared. Upon completion, the command
process logs an event, which indicates the number of differences that were corrected.
Use this option if you are sure that the primary volume copy data is correct or that your
host applications can handle incorrect data.
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