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z/OS V1R6.0 DFSMS Access Method Services for Catalogs

z/OS V1R6.0 DFSMS Access Method Services for Catalogs

z/OS V1R6.0 DFSMS Access Method Services for Catalogs

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DCOLLECT OutputDSGCYLSTDSGCYLEDDSGVOLFTDSGDRVSTDSGVFFERDSGVFERRnumber of object write requests outstanding <strong>for</strong> anoptical drive in this Storage Group has been given.1 This value has been given, seeDSGDRVST.0 This value has not been given.This flag indicates whether or not a ″mark volumefull on first write failure″ criteria has been specified<strong>for</strong> this Storage Group.1 This value has been specified, seeDSGVFERR.0 This value has not been specified.This flag indicates whether or not a ″mark volumefull on first write failure″ criteria applies to opticalvolumes in this Storage Group.1 This value indicates that OAMmarks an optical volume full thefirst time an attempt to write anobject on the optical volume isunsuccessful because there is notenough space remaining.0 This value indicates that OAMmarks an optical volume full onlywhen the number of availablesectors in the user data area fallsbelow the volume full thresholdspecified in DSGVOLFT.This field shows the beginning of a window of time in which theObject <strong>Access</strong> <strong>Method</strong> can begin storage management processing.The actual value this field represents is an hour of the day on a24-hour scale. This value is valid only <strong>for</strong> the OBJECT StorageGroup type. Possible values range from 0 to 23.This field shows the end of a window of time in which the Object<strong>Access</strong> <strong>Method</strong> can begin storage management processing. Theactual value this field represents is an hour of the day on a 24-hourscale. This value is valid only <strong>for</strong> the OBJECT Storage Group type.Possible values range from 0 to 23.This field shows the number of free sectors required <strong>for</strong> an opticalvolume within this storage group. When the number of free sectorsfalls below the threshold, the Object <strong>Access</strong> <strong>Method</strong> marks theoptical volume as full. This value is valid only <strong>for</strong> the OBJECT andOBJECT BACKUP Storage Group types.This field shows the maximum number of object write requestsoutstanding <strong>for</strong> an optical drive in this storage group. When thenumber of object write requests to this storage group divided bythe number of optical disk drives currently processing requests <strong>for</strong>this storage group exceeds this threshold, the Object <strong>Access</strong><strong>Method</strong> attempts to start an additional optical disk drive. Thisvalue is valid only <strong>for</strong> the OBJECT and OBJECT BACKUP StorageGroup types.496 z/<strong>OS</strong> <strong>V1R6.0</strong> <strong>DFSMS</strong> <strong>Access</strong> <strong>Method</strong> <strong>Services</strong> <strong>for</strong> <strong>Catalogs</strong>

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