Compaq StorageWorks 6000 - Virtual Library System Guide de l'utilisateur Page 313

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SolutionPossible causesSymptom
Windows Removable Storage
Manager service (RSM) polls tape
drives on a frequent basisevery
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 6000series Virtual Library System User Guide 313
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