SYSOPT2 parameter - Revision history

JAL: /* Description */ add link

2018-08-30T15:53:30Z

Description: add link

← Older revision		Revision as of 15:53, 30 August 2018
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	<tr class="head"><th>Hex setting </th><th>Decimal setting </th><th>Meaning</th></tr>		<tr class="head"><th>Hex setting </th><th>Decimal setting </th><th>Meaning</th></tr>

	<tr><th ~~align="right"~~><var>X'80' </var></th>		<tr><th><var>X'80' </var></th>
	<td>128 </td><td>Enable the ~~<var>~~XTIOT~~</var>~~ option.</td></tr>		<td>128 </td>
			<td>Enable the [[Allocating and directing files dynamically#Extended Task Input.2FOutput Table support\|XTIOT]] option.</td></tr>

	<tr><th ~~align="right"~~><var>X'40'</var></th>		<tr><th><var>X'40'</var></th>
	<td> 64 </td><td>The record locking table is allocated above the bar, and 4-byte CCATEMP page numbers are used to address all CCATEMP pages, even those allocated in the small model page pool (page numbers less than 65536).		<td> 64 </td><td>The record locking table is allocated above the bar, and 4-byte CCATEMP page numbers are used to address all CCATEMP pages, even those allocated in the small model page pool (page numbers less than 65536).
	<p>		<p>
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	</td></tr>		</td></tr>

	<tr><th ~~align="right"~~><var>X'10' </var></th>		<tr><th><var>X'10' </var></th>
	<td>16</td> <td>Enable [[Performance monitoring and tuning#High Performance FICON (zHPF)\|zHPF]] usage. Requires Model 204 version 7.6 or later.</td></tr>		<td>16</td> <td>Enable [[Performance monitoring and tuning#High Performance FICON (zHPF)\|zHPF]] usage. Requires Model 204 version 7.6 or later.</td></tr>
	</table>		</table>

JDamon: /* Description */

2017-11-23T02:58:33Z

Description

← Older revision		Revision as of 02:58, 23 November 2017
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	<tr><th align="right"><var>X'80' </var></th>		<tr><th align="right"><var>X'80' </var></th>
	<td>128 </td><td>~~Manages~~ the <var>XTIOT</var> option.</td></tr>		<td>128 </td><td>Enable the <var>XTIOT</var> option.</td></tr>

	<tr><th align="right"><var>X'40'</var></th>		<tr><th align="right"><var>X'40'</var></th>

JDamon: SYSOPT2 is not dynamically resettable

2017-05-23T15:36:45Z

SYSOPT2 is not dynamically resettable

← Older revision		Revision as of 15:36, 23 May 2017
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	<dd>System		<dd>System
	<dt>Where set		<dt>Where set
	<dd>On User 0's parameter line ~~or reset by system manager~~		<dd>On User 0's parameter line; not dynamically resettable
	<dt>Related products		<dt>Related products
	<dd>All		<dd>All

JAL: misc formatting

2016-08-25T15:32:35Z

misc formatting

← Older revision		Revision as of 15:32, 25 August 2016
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	<tr><th align="right"><var>X'80' </var></th>		<tr><th align="right"><var>X'80' </var></th>
	<td>128 </td><td>Manages the XTIOT option.</td></tr>		<td>128 </td><td>Manages the <var>XTIOT</var> option.</td></tr>

	<tr><th align="right"><var>X'40'</var></th>		<tr><th align="right"><var>X'40'</var></th>
	<td> 64 </td><td>The record locking table is allocated above the bar and 4-byte CCATEMP page numbers are used to address all CCATEMP pages, even those allocated in the small model page pool (page numbers < 65536).		<td> 64 </td><td>The record locking table is allocated above the bar, and 4-byte CCATEMP page numbers are used to address all CCATEMP pages, even those allocated in the small model page pool (page numbers less than 65536).
	<p>		<p>
	This requires an increase in <var>[[LRETBL parameter\|LRETBL]]</var>. Rocket Software recommends doubling the value of LRETBL.		This requires an increase in <var>[[LRETBL parameter\|LRETBL]]</var>. Rocket Software recommends doubling the value of <var>LRETBL</var>.
	</p>		</p>
	</td></tr>		</td></tr>
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	<ul>		<ul>
	<li>		<li>
	With <var>SYSOPT2</var> X'80' off, all dynamic allocations default to use the existing TIOT option unless the XTIOT option is specified on the <var>DEFINE</var> or <var>ALLOCATE</var> command.</li>		With <var>SYSOPT2</var> X'80' off, all dynamic allocations default to use the existing <var>TIOT</var> option, unless the <var>XTIOT</var> option is specified on the <var>DEFINE</var> or <var>ALLOCATE</var> command.</li>
	<li>		<li>
	With <var>SYSOPT2</var> X'80' <i>on</i>, all dynamic allocations that specify the OLD and DIRECT file options use the XTIOT option, unless the TIOT option is specified on the DEFINE or ALLOCATE command. To use this setting, the <var>XMEMOPT</var> X'02' bit must also be set.</li>		With <var>SYSOPT2</var> X'80' <i>on</i>, all dynamic allocations that specify the <var>OLD</var> and <var>DIRECT</var> file options use the <var>XTIOT</var> option, unless the <var>TIOT</var> option is specified on the <var>DEFINE</var> or <var>ALLOCATE</var> command. To use this setting, the <var>XMEMOPT</var> X'02' bit must also be set.</li>
	</ul>		</ul>
	<p>		<p>
	With the use of dynamic allocation and the XTIOT option, only the amount of processor storage limits the number of allocated data sets.</p>		With the use of dynamic allocation and the <var>XTIOT</var> option, only the amount of processor storage limits the number of allocated data sets.</p>

	====SYSOPT2=X'40'====		====SYSOPT2=X'40'====
	<p>		<p>
	Record sets-found sets, including FDWOL found sets, sorted sets, lists, and LPU lists-are traced through entries in the record locking table. One entry is required for each segment (49,152 records) in the record set. These entries are CCATEMP page numbers. </p>		Record sets — found sets, including <var>FDWOL</var> found sets, sorted sets, lists, and LPU lists — are traced through entries in the record locking table. One entry is required for each segment (49,152 records) in the record set. These entries are CCATEMP page numbers. </p>
	<p>		<p>
	When the <var>SYSOPT2</var> X'40' bit is set, the entries contain 4-byte CCATEMP page numbers. Setting X'40' provides a substantial increase in the number of simultaneous record sets that can be concurrently active in a given <var class="product">Model 204</var> run. Therefore, if you set the X'40' bit, you should also at least double <var>LRETBL</var>. </p>		When the <var>SYSOPT2</var> X'40' bit is set, the entries contain 4-byte CCATEMP page numbers. Setting X'40' provides a substantial increase in the number of simultaneous record sets that can be concurrently active in a given <var class="product">Model 204</var> run. Therefore, if you set the X'40' bit, you should also at least double <var>LRETBL</var>. </p>

JDamon: Clarifed the description of SYSOPT2=X'40'

2016-08-24T21:49:59Z

Clarifed the description of SYSOPT2=X'40'

← Older revision		Revision as of 21:49, 24 August 2016
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	<tr><th align="right"><var>X'40'</var></th>		<tr><th align="right"><var>X'40'</var></th>
	<td> 64 </td><td>The record locking table is allocated above the bar and ~~only 3~~-byte CCATEMP page numbers are used even ~~if <var>[[TEMPPAGE parameter\|TEMPPAGE]]~~<~~/var> is less than 65535~~.		<td> 64 </td><td>The record locking table is allocated above the bar and 4-byte CCATEMP page numbers are used to address all CCATEMP pages, even those allocated in the small model page pool (page numbers < 65536).
	<p>		<p>
	This requires an increase in <var>[[LRETBL parameter\|LRETBL]]</var>. Rocket Software recommends ~~an increase~~ of ~~50 percent~~.</p>		This requires an increase in <var>[[LRETBL parameter\|LRETBL]]</var>. Rocket Software recommends doubling the value of LRETBL.
			</p>
	</td></tr>		</td></tr>

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	<ul>		<ul>
	<li>		<li>
	When the <var>SYSOPT2</var> setting <i>does not</i> include X'40', at any given time the bit maps corresponding to all users holding found sets of any kind must fit into CCATEMP pages designated as the small model page pool, no matter how ~~large CCATEMP has~~ been allocated.</li>		When the <var>SYSOPT2</var> setting <i>does not</i> include X'40', at any given time the bit maps corresponding to all users holding found sets of any kind must fit into CCATEMP pages designated as the small model page pool, no matter how many pages have been allocated to CCATEMP.</li>
	<li>		<li>
	When the <var>SYSOPT2</var> setting <i>does</i> include X'40', the CCATEMP page restriction is removed, and user found sets can be placed anywhere within CCATEMP. This includes both the small model page pool and the CCATEMP expansion area, allowing for the possibility of a greater number of concurrent found sets being held by all users.</li>		When the <var>SYSOPT2</var> setting <i>does</i> include X'40', the CCATEMP page restriction is removed, and user found sets can be placed anywhere within CCATEMP. This includes both the small model page pool and the CCATEMP expansion area, allowing for the possibility of a greater number of concurrent found sets being held by all users.</li>

JAL: /* Description */ add link

2016-04-20T20:03:45Z

Description: add link

← Older revision		Revision as of 20:03, 20 April 2016
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	<tr><th align="right"><var>X'10' </var></th>		<tr><th align="right"><var>X'10' </var></th>
	<td>16</td> <td>Enable zHPF usage. Requires Model 204 version 7.6 or later.</td></tr>		<td>16</td> <td>Enable [[Performance monitoring and tuning#High Performance FICON (zHPF)\|zHPF]] usage. Requires Model 204 version 7.6 or later.</td></tr>
	</table>		</table>
	<p>		<p>

ELowell: /* SYSOPT2=X'10' */

2015-07-24T20:38:37Z

SYSOPT2=X'10'

← Older revision		Revision as of 20:38, 24 July 2015
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	====SYSOPT2=X'10'====		====SYSOPT2=X'10'====
	This option supports the use of the [[Performance monitoring and tuning#High Performance FICON (~~HPF~~)\|~~IBM~~ High Performance FICON (zHPF)]] interface for faster I/O. Model 204 version 7.6 or later is required.		This option supports the use of the IBM [[Performance monitoring and tuning#High Performance FICON (zHPF)\|High Performance FICON (zHPF)]] interface for faster I/O. Model 204 version 7.6 or later is required.

	[[Category:System parameters]]		[[Category:System parameters]]
	[[Category:Parameters]]		[[Category:Parameters]]

ELowell: /* Description */

2015-07-24T20:37:20Z

Description

← Older revision		Revision as of 20:37, 24 July 2015
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	This requires an increase in <var>[[LRETBL parameter\|LRETBL]]</var>. Rocket Software recommends an increase of 50 percent.</p>		This requires an increase in <var>[[LRETBL parameter\|LRETBL]]</var>. Rocket Software recommends an increase of 50 percent.</p>
	</td></tr>		</td></tr>

			<tr><th align="right"><var>X'10' </var></th>
			<td>16</td> <td>Enable zHPF usage. Requires Model 204 version 7.6 or later.</td></tr>
	</table>		</table>
	<p>		<p>
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	When the <var>SYSOPT2</var> setting <i>does</i> include X'40', the CCATEMP page restriction is removed, and user found sets can be placed anywhere within CCATEMP. This includes both the small model page pool and the CCATEMP expansion area, allowing for the possibility of a greater number of concurrent found sets being held by all users.</li>		When the <var>SYSOPT2</var> setting <i>does</i> include X'40', the CCATEMP page restriction is removed, and user found sets can be placed anywhere within CCATEMP. This includes both the small model page pool and the CCATEMP expansion area, allowing for the possibility of a greater number of concurrent found sets being held by all users.</li>
	</ul>		</ul>

			====SYSOPT2=X'10'====
			This option supports the use of the [[Performance monitoring and tuning#High Performance FICON (HPF)\|IBM High Performance FICON (zHPF)]] interface for faster I/O. Model 204 version 7.6 or later is required.

	[[Category:System parameters]]		[[Category:System parameters]]
	[[Category:Parameters]]		[[Category:Parameters]]

JAL: misc cleanup

2015-02-20T22:57:10Z

misc cleanup

← Older revision		Revision as of 22:57, 20 February 2015
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	<dd><var class="product">Model 204 V6.1</var> or earlier		<dd><var class="product">Model 204 V6.1</var> or earlier
	</dl>		</dl>

	==Description==		==Description==
	<p>The valid settings of SYSOPT2 are (options can be summed):</p>		<p>
			The valid settings of <var>SYSOPT2</var> are (options can be summed):</p>
	<table>		<table>
	<tr><th>Hex setting </th><th>Decimal setting </th><th>Meaning</th></tr>		<tr class="head"><th>Hex setting </th><th>Decimal setting </th><th>Meaning</th></tr>
	~~<tr><th></th></tr>~~
	<tr><th align="right"><var>X'80' </var></th><td>128 </td><td>Manages the XTIOT option.</td></tr>		<tr><th align="right"><var>X'80' </var></th>
	<tr><th align="right"><var>X'40'</var></th><td> 64 </td><td>The record locking table is allocated above the bar and only 3-byte CCATEMP page numbers are used even if TEMPPAGE~~<~~65535.		<td>128 </td><td>Manages the XTIOT option.</td></tr>
	<p>This requires an increase in LRETBL. Rocket Software recommends an increase of 50 percent.</p>
			<tr><th align="right"><var>X'40'</var></th>
			<td> 64 </td><td>The record locking table is allocated above the bar and only 3-byte CCATEMP page numbers are used even if <var>[[TEMPPAGE parameter\|TEMPPAGE]]</var> is less than 65535.
			<p>
			This requires an increase in <var>[[LRETBL parameter\|LRETBL]]</var>. Rocket Software recommends an increase of 50 percent.</p>
	</td></tr>		</td></tr>
	</table>		</table>
	<p>This parameter applies to ~~only~~ z/OS.</p>		<p>
	~~<p><b>~~SYSOPT2=X'80'~~</b></p>~~		This parameter applies only to z/OS.</p>

			====SYSOPT2=X'80'====
	<ul>		<ul>
	<li>		<li>
	With SYSOPT2 X'80' off, all dynamic allocations default to use the existing TIOT option unless the XTIOT option is specified on the DEFINE or ALLOCATE command.</li>		With <var>SYSOPT2</var> X'80' off, all dynamic allocations default to use the existing TIOT option unless the XTIOT option is specified on the <var>DEFINE</var> or <var>ALLOCATE</var> command.</li>
	<li>		<li>
	With SYSOPT2 X'80' <i>on,</i> all dynamic allocations that specify the OLD and DIRECT file options use the XTIOT option, unless the TIOT option is specified on the DEFINE or ALLOCATE command. To use this setting XMEMOPT=X'02' must also be set.</li>		With <var>SYSOPT2</var> X'80' <i>on</i>, all dynamic allocations that specify the OLD and DIRECT file options use the XTIOT option, unless the TIOT option is specified on the DEFINE or ALLOCATE command. To use this setting, the <var>XMEMOPT</var> X'02' bit must also be set.</li>
	</ul>		</ul>
	<p>With the use of dynamic allocation and the XTIOT option, only the amount of processor storage limits the number of allocated data sets.</p>		<p>
			With the use of dynamic allocation and the XTIOT option, only the amount of processor storage limits the number of allocated data sets.</p>

	====SYSOPT2=X'40'====		====SYSOPT2=X'40'====
	<p>Record sets-found sets, including FDWOL found sets, sorted sets, lists, and LPU lists-are traced through entries in the record locking table. One entry is required for each segment (49,152 records) in the record set. These entries are CCATEMP page numbers. </p>		<p>
	<p>When SYSOPT2=X'40', the entries contain 4-byte CCATEMP page numbers. Setting ~~SYSOPT2=~~X'40' provides a substantial increase in the number of simultaneous record sets that can be concurrently active in a given <var class="product">Model 204</var> run. Therefore, if you set ~~SYSOPT2=~~X'40', you should also at least double LRETBL. </p>		Record sets-found sets, including FDWOL found sets, sorted sets, lists, and LPU lists-are traced through entries in the record locking table. One entry is required for each segment (49,152 records) in the record set. These entries are CCATEMP page numbers. </p>
			<p>
			When the <var>SYSOPT2</var> X'40' bit is set, the entries contain 4-byte CCATEMP page numbers. Setting X'40' provides a substantial increase in the number of simultaneous record sets that can be concurrently active in a given <var class="product">Model 204</var> run. Therefore, if you set the X'40' bit, you should also at least double <var>LRETBL</var>. </p>
	<ul>		<ul>
	<li>		<li>
	When the SYSOPT2 setting <i>does not</i> include X'40', ~~then~~ at any given time the bit maps corresponding to all users holding found sets of any kind must fit into CCATEMP pages designated as the small model page pool no matter how large CCATEMP has been allocated.</li>		When the <var>SYSOPT2</var> setting <i>does not</i> include X'40', at any given time the bit maps corresponding to all users holding found sets of any kind must fit into CCATEMP pages designated as the small model page pool, no matter how large CCATEMP has been allocated.</li>
	<li>		<li>
	When the SYSOPT2 setting <i>does</i> include X'40', the CCATEMP page restriction is removed and user found sets can be placed anywhere within CCATEMP. This includes both the small model page pool and the CCATEMP expansion area, allowing for the possibility of a greater number of concurrent found sets being held by all users.</li>		When the <var>SYSOPT2</var> setting <i>does</i> include X'40', the CCATEMP page restriction is removed, and user found sets can be placed anywhere within CCATEMP. This includes both the small model page pool and the CCATEMP expansion area, allowing for the possibility of a greater number of concurrent found sets being held by all users.</li>
	</ul>		</ul>

	[[Category:System parameters]]		[[Category:System parameters]]
	[[Category:Parameters]]		[[Category:Parameters]]

DmeWiccan: Automatically generated page update

2013-08-27T16:44:11Z

Automatically generated page update

← Older revision		Revision as of 16:44, 27 August 2013
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			{{Template:SYSOPT2 parameter subtitle}}
	==Summary==		==Summary==
	<dl>		<dl>