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HP StorageWorks 12000 User Manual

HP StorageWorks 12000
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SolutionPossible causesSymptom
Windows Removable Storage
Manager service (RSM) polls tape
drives on a frequent basis—every
three seconds in Microsoft Win-
dows 2000, and every second in
Windows Server 2003. Windows’
built-in backup software (NT-
BACKUP) relies on the RSM polling
to detect media changes in the tape
drive. In SAN configurations, this
RSM polling can have a significant
negative impact on tape drive per-
formance. For SAN configurations,
HP strongly recommends disabling
RSM polling.
VLS performance is being reduced
by frequent tape drive polling.
HP StorageWorks 12000 Gateway Virtual Library System User Guide 223

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HP StorageWorks 12000 Specifications

General IconGeneral
Product NameHP StorageWorks 12000
Management SoftwareHP StorageWorks Command View
Form FactorRack-mountable
TypeGateway
CategoryGateway
ConnectivityiSCSI