FILE SYSTEM

PURPOSE:To dynamically expand the area of the file system on an external storage device of a computer system without stopping the system. CONSTITUTION:One logical volume 21 is divided into plural logical volumes 19 and 20. The respective logical volumes 19 and 20 are present in the same physical vol...

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1. Verfasser:	MIHASHI MASASHI
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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creator	MIHASHI MASASHI
description	PURPOSE:To dynamically expand the area of the file system on an external storage device of a computer system without stopping the system. CONSTITUTION:One logical volume 21 is divided into plural logical volumes 19 and 20. The respective logical volumes 19 and 20 are present in the same physical volume or different physical volumes. Only one super block 6 is present in one logical volume and holds information on the physical positions of all logical subordinate volumes belonging to the logical volume and the sizes, etc., of free areas by the logical subordinate volumes. In a logical subordinate volume 19, plural files are hierarchically controlled by a directory 14 and a node 13. When no free area is present in the logical subordinate volumes registered in the super block 6, a new logical subordinate volume is structured and its physical information is registered in the super block 6 to expand the data storage area.
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When no free area is present in the logical subordinate volumes registered in the super block 6, a new logical subordinate volume is structured and its physical information is registered in the super block 6 to expand the data storage area.</description><edition>5</edition><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; PHYSICS</subject><creationdate>1994</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=19940708&DB=EPODOC&CC=JP&NR=H06187201A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19940708&DB=EPODOC&CC=JP&NR=H06187201A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MIHASHI MASASHI</creatorcontrib><title>FILE SYSTEM</title><description>PURPOSE:To dynamically expand the area of the file system on an external storage device of a computer system without stopping the system. 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CONSTITUTION:One logical volume 21 is divided into plural logical volumes 19 and 20. The respective logical volumes 19 and 20 are present in the same physical volume or different physical volumes. Only one super block 6 is present in one logical volume and holds information on the physical positions of all logical subordinate volumes belonging to the logical volume and the sizes, etc., of free areas by the logical subordinate volumes. In a logical subordinate volume 19, plural files are hierarchically controlled by a directory 14 and a node 13. When no free area is present in the logical subordinate volumes registered in the super block 6, a new logical subordinate volume is structured and its physical information is registered in the super block 6 to expand the data storage area.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record>
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subjects	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
title	FILE SYSTEM
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