Dell PowerVault TL2000 Reference Manual

Also see for PowerVault TL2000: Getting started guide User guide Faq Quick start guide User guide

Contents

IALUAE:An implicit asymmetric logical unit access enabled (IALUAE) bit set to zero. The media changerdoes not allow implicit asymmetric logical unit access state changes.Tape Alert page (1Ch)By means of this page the host can retrieve the tape alerts logging method.Bit 7 6 5 4 3 2 1 0Byte0 PS (0) SPF (1) Page Code (0Ah)1 Additional Page Length (0Ah)2 Perf (0) Reserved DExcpt (1) Test (0) Reserved LogErr3 Reserved MRIE (0)4 - 7 Interval Timer8 - 11 Report Count / Test Flag NumberField descriptions:PS: Parameters Savable. This field is set to zero. The media changer cannot write this page tonon-volatile memory.Perf: When this bit is set to 0, this indicates that informational exception operations that can causedelays are acceptable. This bit is always set to zero.DExcpt:When this bit is set to zero the reporting method indicated by the MRIE field is used. When this bitis set to one this indicates that the media changer shall disable all information exceptionoperations, ignoring the MRIE field (In this mode the initiator must the Tape Alert log page).Currently only MRIE mode 0 is supported, so this bit is ignored.Test: Test modes are not supported, therefore this field is set to 0.LogErr:When this bit is set to 0, the media changer shall not log any Tape Alert events. When this bit isset to 1, the media changer shall log Tape Alert events.MRIE: This field indicates the method used by the media changer to report informational exceptionconditions. Currently only mode 0 is supported. This means that Tape Alert flags can only be readby polling with the LOG SENSE command to the Tape Alert page.Interval Timer:The library does not report Tape Alert conditions as Informational Exception conditions, thereforethis field is set to zero.Report Count / Test Flag Number:Since test modes are not supported, this field reports Report Count only. But the library does notsupport Informational Exception conditions, therefore this field is set to zero.Element Address Assignment page (1Dh)The Element Address Assignment Page is used to assign addresses to the elements of the mediumchanger (via the Mode Select command) and to report those assignments (Mode Sense). This page alsodefines the number of each type of element present in the subsystem configuration.Chapter 3. Supported SCSI Commands 3-33