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SMF Type 9 Record

This table shows the record layout for type 9 SMF records
(VARY Device ONLINE).

List of other SMF record layouts available.
List of sample SMF reports.

Purpose: Record type 9 is written when a VARY Device ONLINE command is processed. This record identifies the device being added to the configuration by device class, unit type, and device number.

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SMF Type 9 Record -- VARY Device ONLINE
Offset
(Dec.)
Offset
(Hex)
NameLengthFormatDescription
00SMF9LEN2binary
Record length. This field and the next field (total of four bytes) form the RDW (record descriptor word). See “Standard SMF Record Header” on page 13-1 for a detailed description.
22SMF9SEG2binary
Segment descriptor (see record length field).
44SMF9FLG1binary
System indicator: Bit Meaning When Set 0-2 Reserved 3-6 Version indicators* 7 Reserved.*See “Standard SMF Record Header” on page 13-1 for a detailed description.
55SMF9RTY1binary
Record type 9 (X'09').
66SMF9TME4binary
Time since midnight, in hundredths of a second, when the record was built into the SMF buffer.
10ASMF9DTE4packed
Date when the record was moved into the SMF buffer, in the form 0cyydddF. See “Standard SMF Record Header” on page 13-1 for a detailed description.
14ESMF9SID4EBCDIC
System identification (from the SID parameter).
1812SMF9LENN2binary
Length of rest of record including this field.
Device Data Section
For each device varied online, there is an entry with the following format:
(Offset from beginning of record: 20)
00SMF9DVAD8structure
Device identification. Note: Virtual I/O devices are identified by the following: Device Class 0 Unit Type 0 Device Number X'7FFF'It is important to understand the following: Allocation messages for VIO data sets will show VIO ALLOCATED TO ddname. SMF records will show VIO unit addresses as X'7FFF'. The actual in-storage UCB built for VIO will show address X'3FFF'.For example, the messages: v IEF237I X'3FFF' ALLOCATED TO ddname v IEF237I X'7FFF' ALLOCATED TO ddnameindicate that ddname is not allocated to a Virtual I/O device, but is instead allocated to a real device whose unit address is X'3FFF' or X'7FFF' respectively.
00SMF9DUT2binary
Device class and unit type.
22SMF9CUA2binary
Device number.
44SMF9VPC1binary
Identifies the issuer of the vary path command that causes the specified device to change states Value Meaning 0 Operator 2 Enterprise Systems Connection Manager Program Product (5688-008) 3-7 Reserved.
55SMF9RSV3Reserved.

The table above is based on the description provided by IBM in its "MVS Systems Management Facilities (SMF)" manual.

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