How does one change a drive's cluster size?

How does one change a drive's cluster size?

Post by Samuel L » Sat, 28 Jul 1990 17:39:19





>Will Seagate's utility (OnTrack?) do the job?

The version of Disk Manager (from OnTrack) that is usually packaged
with Seagate's "large" (> 32meg) drives will do the job.  Just make
sure you run it in manual mode to get to the necessary menus.

Quote:>I'd like to just re-format the one partition if possible, ...

You should be able to back up that partition, then knock (just) it out
with Disk Manager, then create a new Disk Manager partition in its
place and high-level format that, and then restore your files into the
new and improved (Disk Manager) partition.  Don't forget to swtich to
using Disk Manager's dmdrvr.bin driver in config.sys before you attempt
to access the new partition though.

Quote:>What cluster size should I expect with each of the above approaches?  

Disk Manager allows you to choose from a variety of cluster sizes when
you use it in manual mode.

Hope the above helps some.

...Sam
--

 
 
 

How does one change a drive's cluster size?

Post by phys.. » Thu, 02 Aug 1990 10:22:21



> You should be able to back up that partition, then knock (just) it out
> with Disk Manager, then create a new Disk Manager partition in its
> place and high-level format that, and then restore your files into the
> new and improved (Disk Manager) partition.  Don't forget to swtich to
> using Disk Manager's dmdrvr.bin driver in config.sys before you attempt
> to access the new partition though.

If you change cluster sizes, root dir size, etc, be careful to check the new
partition thoroughly. Also, it may seem easy to change parameters in the boot
sector with something like Norton Utilities, without using DM and dmdrvr.bin;
but the o/s often ignores parameters (even if you know to reboot after changing
the parameters of your empty partition). DR DOS 5.0 is much better than MS DOS,
but even it gets upset when it comes to sub-directories. M*of story:
try filling the disk to completely full, including filling the root directory
and creating some largish subdirectories, then run CHKDSK and see if there are
errors. Some changes are okay, under some circumstances, many are not. Second
m*of the story: DM is a darned good product.

Mark Aitchison, Physics, University of Canterbury, New Zealand.
Say, how do you spell "Ying tong iddly po"?

 
 
 

How does one change a drive's cluster size?

Post by Charlie Kestn » Fri, 03 Aug 1990 14:29:32


  CHKDSK and Disk Manager sometimes do not get along.  (That's why the
OnTrack utilities exist, it's not JUST a "sales ploy"...)
  I seem to recall that another user had mentioned (on a local BBS)
that CHKDSK puked under DM when he'd created a partition with 512-byte
clusters.
  I could have the PRECISE instance wrong, but the general line was,
"get the OnTrack utils..."

 
 
 

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