HP StorageWorks 4000s NAS 4000s and 9000s Administration Guide - Page 100
space. Setting the limit too low can cause shadow copies to be purged too soon, or not created
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Shadow Copies E: F: G: L: cache file cache file cache file Figure 52: Shadow copies stored on separate volume The main advantage to storing shadow copies on a separate volume is ease of management and performance. Shadow copies on a source volume must be continually monitored and can consume space designated for file sharing. Setting the limit too high takes up valuable storage space. Setting the limit too low can cause shadow copies to be purged too soon, or not created at all. By storing shadow copies on a separate volume space for Shadow Copies may be manage separately, limits can generally be set higher, or set to No Limit. See the properties tab of the shadow copy page for a volume to alter the cache file location, covered later in this chapter. Caution: If the data on the separate volume L: is lost, the shadow copies cannot be recovered. 100 NAS 4000s and 9000s Administration Guide