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Article #8895Re: Speeding up disk accesses - Food for thought.
From: Kevin Montgomery
Date: Thu, 18 Jan 1990 22:55
Date: Thu, 18 Jan 1990 22:55
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> actually on the mainframe systems i used to administer, we tried to > keep the most used/important files in the center (middle track) of the > disk. that keeps the max seek down to 1/2 of the disc, and the average blah. AT&T filesystem. note that this whole discussion varies greatly depending on the filesystem in use- BSD, for example, uses concentric rings of i-nodes and data blocks, so that it's never far from one to the other. MSDOS probably keeps the directory info in one place. Dunno about AFS or Xenix. just remember, your mileage may differ... -bop
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!umich!yale!think!snorkelwacker!apple!motcsd!hpda!hpcuhb!hpindda!kmontReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!umich!yale!think!snorkelwacker!apple!motcsd!hpda!hpcuhb!hpindda!kmont From: kmont@hpindda.HP.COM (Kevin Montgomery) Newsgroups: comp.sys.ibm.pc Subject: Re: Speeding up disk accesses - Food for thought. Message-ID: <40970033@hpindda.HP.COM> Date: 18 Jan 90 22:55:50 GMT References: <361@marvin.moncam.co.uk> Organization: The Lab Rats-West Lines: 11