From: MLONG@isucard.card.iastate.edu
Subject: Re: Why does CHKDSK D: /F: 3 take 2 hours?
Organization: CARD
Date: Fri, 14 Aug 1992 18:26:20 GMT

In article <1992Aug14.081307.18336@nuscc.nus.sg>                                
swknasri@nuscc.nus.sg (Sriram N (Dr)) writes:                                   
                                                                                
>Periodically, I do a CHKDSK of my HPFS partition (290 MB) from the             
>A: drive after booting up using the install diskettes.  My IDE drive           
>is a MAxtor XT-4380E (330 MB, FDISK shows only 320).  The motherboard          
>is Mylex 486/25 EISA, 8MB RAM, generic I/O card, WD SVGA card.                 
>                                                                               
>After invoking CHKDSK, I see the program reading the HDD and see               
>25 % complete on screen.  Thereafter, it is a slooooow crawl, at the           
>rate of 10 minutes/ 5%.  I should mention that there is 200MB free             
>space on the drive. Previously, SCO ODT :-) was on the HDD.  I did             
>the usual repartitoning and formatting using the OS/2 install program.         
>Should I have done a low-level format before I installed?                      
>                                                                               
>Generally, OS/2 has been behaving well and the HPFS disk access is             
>ok (although of late, it seems to be slower in DOS sessions).  My              
>SWAPPER file is usually around 5 Meg.  And I believe that the                  
>problem with CHKDSK is recent (I can't say for sure whether it                 
>has always been this way;probably not).                                        
>                                                                               
>When I do a FDISK from OS/2 how should the table read? I have                  
>a boot-manager setup, 30MB FAT C: Drive, the rest HPFS.                        
>I am particularly interested in knowing the distinction(s) among               
>installable, bootable and startable partitions.                                
>                                                                               
>Unlike the D drive, CHKDSK zips through the C drive.  On the D                 
>drive, the drive light seems to be on continuously, as CHKDSK moves            
>glacially.  I should add that it fixes allocation problems before              
>the crawl.                                                                     
>                                                                               
>Someone, give me a clue.                                                       
>                                                                               
>                                                                               
>Sriram [the sigless one]                                                       
>                                                                               
I beleive it is a performance problem seen when partitions get over 100-150MB.  
I beleive IBM is working on this.                                               
Mike Long                                                                       
Iowa State University