Apparatus and method to import a logical volume indicating explicit storage attribute specifications
A method to import a logical volume and first storage attributes assigned to that logical volume into a second virtual tape system from first virtual tape system, where the first virtual tape system is capable of communicating with one or more first host computers, and where the second virtual tape...
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| creator | FISHER JAMES A PEAKE JONATHAN W DAWSON ERIKA M SCHILTZ LINDA J |
| description | A method to import a logical volume and first storage attributes assigned to that logical volume into a second virtual tape system from first virtual tape system, where the first virtual tape system is capable of communicating with one or more first host computers, and where the second virtual tape system is capable of communicating with one or more second host computers. The method maintains a logical volume in a first direct access storage device file buffer disposed in the first virtual tape system, assigns one or more first storage attributes to that logical volume, assigns an identifier to the logical volume, and writes an export physical volume that includes the logical volume, the one or more assigned first storage attributes, and the logical volume identifier. The method defines in the second virtual tape system a plurality of second storage attributes. The method then imports the logical volume, the logical volume identifier, and the one or more first storage attributes, into the second virtual tape system. The method associates one or more construct overridden flags with the imported logical volume, and determines if the import list logical volume specifies use of one or more of the second storage attributes. If the import list logical volume specifies use of second storage attributes, the method then assigns one or more of the plurality of second storage attributes to the imported logical volume, sets one or more of the one or more construct overridden flags, and saves in the second virtual tape system the imported logical volume, the one or more assigned second storage attributes, and the one or more construct overridden flags. If the import list logical volume does not specify use of said second storage attributes, then the method clears one or more of the one or more construct overridden flags, and saves in the second virtual tape system the imported logical volume, the one or more assigned first storage attributes, and the one or more construct overridden flags. |
| format | Patent |
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The method maintains a logical volume in a first direct access storage device file buffer disposed in the first virtual tape system, assigns one or more first storage attributes to that logical volume, assigns an identifier to the logical volume, and writes an export physical volume that includes the logical volume, the one or more assigned first storage attributes, and the logical volume identifier. The method defines in the second virtual tape system a plurality of second storage attributes. The method then imports the logical volume, the logical volume identifier, and the one or more first storage attributes, into the second virtual tape system. The method associates one or more construct overridden flags with the imported logical volume, and determines if the import list logical volume specifies use of one or more of the second storage attributes. If the import list logical volume specifies use of second storage attributes, the method then assigns one or more of the plurality of second storage attributes to the imported logical volume, sets one or more of the one or more construct overridden flags, and saves in the second virtual tape system the imported logical volume, the one or more assigned second storage attributes, and the one or more construct overridden flags. If the import list logical volume does not specify use of said second storage attributes, then the method clears one or more of the one or more construct overridden flags, and saves in the second virtual tape system the imported logical volume, the one or more assigned first storage attributes, and the one or more construct overridden flags.</description><edition>7</edition><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; PHYSICS</subject><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040304&DB=EPODOC&CC=US&NR=2004044826A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040304&DB=EPODOC&CC=US&NR=2004044826A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FISHER JAMES A</creatorcontrib><creatorcontrib>PEAKE JONATHAN W</creatorcontrib><creatorcontrib>DAWSON ERIKA M</creatorcontrib><creatorcontrib>SCHILTZ LINDA J</creatorcontrib><title>Apparatus and method to import a logical volume indicating explicit storage attribute specifications</title><description>A method to import a logical volume and first storage attributes assigned to that logical volume into a second virtual tape system from first virtual tape system, where the first virtual tape system is capable of communicating with one or more first host computers, and where the second virtual tape system is capable of communicating with one or more second host computers. The method maintains a logical volume in a first direct access storage device file buffer disposed in the first virtual tape system, assigns one or more first storage attributes to that logical volume, assigns an identifier to the logical volume, and writes an export physical volume that includes the logical volume, the one or more assigned first storage attributes, and the logical volume identifier. The method defines in the second virtual tape system a plurality of second storage attributes. The method then imports the logical volume, the logical volume identifier, and the one or more first storage attributes, into the second virtual tape system. The method associates one or more construct overridden flags with the imported logical volume, and determines if the import list logical volume specifies use of one or more of the second storage attributes. If the import list logical volume specifies use of second storage attributes, the method then assigns one or more of the plurality of second storage attributes to the imported logical volume, sets one or more of the one or more construct overridden flags, and saves in the second virtual tape system the imported logical volume, the one or more assigned second storage attributes, and the one or more construct overridden flags. If the import list logical volume does not specify use of said second storage attributes, then the method clears one or more of the one or more construct overridden flags, and saves in the second virtual tape system the imported logical volume, the one or more assigned first storage attributes, and the one or more construct overridden flags.</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyrEKwkAMgOEuDqK-Q8BZqLWIaxHFXZ1LvEvbwPUS7lLx8RXxAZx-fvjmhW9UMaFNGTB6GMkG8WACPKokA4QgPTsM8JQwjQQc_WeNYw_00sCODbJJwp4AzRI_JiPISo67L5SYl8Wsw5Bp9euiWJ9Pt-NlQyotZUVHkay9X6uyrMu6PlT7Zrv7T70BLcxAiw</recordid><startdate>20040304</startdate><enddate>20040304</enddate><creator>FISHER JAMES A</creator><creator>PEAKE JONATHAN W</creator><creator>DAWSON ERIKA M</creator><creator>SCHILTZ LINDA J</creator><scope>EVB</scope></search><sort><creationdate>20040304</creationdate><title>Apparatus and method to import a logical volume indicating explicit storage attribute specifications</title><author>FISHER JAMES A ; PEAKE JONATHAN W ; DAWSON ERIKA M ; SCHILTZ LINDA J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2004044826A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2004</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>FISHER JAMES A</creatorcontrib><creatorcontrib>PEAKE JONATHAN W</creatorcontrib><creatorcontrib>DAWSON ERIKA M</creatorcontrib><creatorcontrib>SCHILTZ LINDA J</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FISHER JAMES A</au><au>PEAKE JONATHAN W</au><au>DAWSON ERIKA M</au><au>SCHILTZ LINDA J</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Apparatus and method to import a logical volume indicating explicit storage attribute specifications</title><date>2004-03-04</date><risdate>2004</risdate><abstract>A method to import a logical volume and first storage attributes assigned to that logical volume into a second virtual tape system from first virtual tape system, where the first virtual tape system is capable of communicating with one or more first host computers, and where the second virtual tape system is capable of communicating with one or more second host computers. The method maintains a logical volume in a first direct access storage device file buffer disposed in the first virtual tape system, assigns one or more first storage attributes to that logical volume, assigns an identifier to the logical volume, and writes an export physical volume that includes the logical volume, the one or more assigned first storage attributes, and the logical volume identifier. The method defines in the second virtual tape system a plurality of second storage attributes. The method then imports the logical volume, the logical volume identifier, and the one or more first storage attributes, into the second virtual tape system. The method associates one or more construct overridden flags with the imported logical volume, and determines if the import list logical volume specifies use of one or more of the second storage attributes. If the import list logical volume specifies use of second storage attributes, the method then assigns one or more of the plurality of second storage attributes to the imported logical volume, sets one or more of the one or more construct overridden flags, and saves in the second virtual tape system the imported logical volume, the one or more assigned second storage attributes, and the one or more construct overridden flags. If the import list logical volume does not specify use of said second storage attributes, then the method clears one or more of the one or more construct overridden flags, and saves in the second virtual tape system the imported logical volume, the one or more assigned first storage attributes, and the one or more construct overridden flags.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Apparatus and method to import a logical volume indicating explicit storage attribute specifications |
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