Interestingly just having a quick scan through a research paper from
Google's tech research team.
<http://labs.google.com/papers/disk_failures.pdf>
Google use consumer grade hard disks... buy cheap, in bulk, use high
redundancy so a single drives failure is not critical and as such
tend to only replace them once the drive actually fails ( i.e. they
tend to leave faulty drives in place until they actually fatally fail
- meaning when they cease to work at all)
just a quick scan through it's interesting to note that they don't
seem to see a significant correlations between usage or temperature
of the drive with it's chance of failure
however they do say this - that drives that have developed their
first fault are "39 times more likely to fail within 60 days than
drives with no such errors"
...err excuse my monday brain stalling at basic math but that's
what? 3900% more likely to fail?
which sounds to me that if your drive HAS started to have problems
you really NEED to replace it quickly.
does this happen even if your not accessing data on your data
drive? if so sounds like your boot drive
either way I'd bet money on it being faulty...
given the price of SATA drives is so low I would recommend replacing
which ever drive is faulty...
I mean the G5 Mac towers are still reasonably good machines (well
at least I hope they are as I'm just about to buy one as my "new"
home computer), and the smallest SATA 72000rpm drive I can see on
our suppliers site is 160GB for $88 inc gst I'd consider that a
reasonable expenditure to keep it running.
Well it looks like it may be time to upgrade, or is it Monday
morning G5 blues?
Remember a while back I posted a story about a continual clicking
noise that I thought may have been my CD/DVD drive?
well it's doing it again, and it is without a doubt coming from one
of the HD's (80Gb and 120Gb). It always produces ten
metallic clicks, then a 2 second space, followed by another 10 and
so on? and it keeps on going for say 10 mins and then
stops. During this time the multi-coloured 'don't talk to me now
I'm working on it' wheel, spins away. Any ideas? also all the fans
slowly start to power up and build into a crescendo of whirling
plastic blades.
It has just done it again, so I hit the power off button and
restarted. Now everything is working again, but the 'Mac OS X -
starting Mac OS X' window is still on screen, with the blue
progress line complete, even though I am writing this email?
Is all this familiar too you you have had an HD start to die on
you? any thoughts would be welcomed.
G5/1.6GHz/1.5Gb RAM/OSX 10.4.8/80 + 120 Gb internal HD's.
Thanks
Jon
Jon Davison
Creative Training courses
The Futuresphere
Queenslea Drive
Claremont, WA 6010
t: 9442 1659
m: 0403 235938
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w: www.futuresphere.com.au
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"It takes an idiot to do cool things.... that's why it's cool"
- Haruhara Haruka (FLCL)
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