[Ti] [Ti]Journaling, was --> Journeling.

Glenn L. Austin glenn at austin-home.com
Fri Aug 6 15:04:58 PDT 2004


on 8/6/04 3:08 AM, b at syrflip at verizon.net wrote:

> Kynan Shook paused, thought it over, and spoke thusly:
> 
>> Writing to the disk slows down by about 10% or so; so little of your
>> computer's time is spent writing that turning it off won't make much
>> of a difference, except for making reboots after a crash take much,
>> much longer.
> 
> With all due respect, running a 667 Ti here, that i keep maintained
> to the max, with external Firewire 800 drives running on the PC card
> slot (that read/write 10MB/sec faster than the internal IBM drive),
> and a GB of RAM, and some free disk space.... why on Earth would I
> want to save, what, 30 seconds once a week on a reboot, and, in
> return, give up 10% of the speed on a constant basis?

It's more than just speed on startup -- it also means that those who don't
regularly back up their machines have a better chance of NOT having their
data corrupted by a crash.

Even if you do backup your files on a regular basis, journeling helps you
because one of Murphy's corollaries is that it is just after your save those
critical files (and before you can back up your drive) that the machine
crashes. :-)

So, I would happily give up 10% of performance knowing that it would take a
complete failure of the hard drive to wipe out my data.  Unfortunately, I
also have to work on Windows, where I just lost an entire drive's contents
(including the partition table, interestingly enough!) due to a bug in the
well-known *backup* program I've been using successfully for many years.

-- 
Glenn L. Austin <><
Computer Wizard and Race Car Driver
<glenn at austin-home.com>
<http://www.austin-home.com/glenn/>



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