Next message: Lew Hodgett: "lv-ab: Re: Raw Water Pump"
All good points though I've never had software or hardware RAID fail
on me in a way that caused data loss.
Best solution is to make lots of copies *often*... That's why real
book libraries work so well... =}
ciao !
Daryl.
On 29-Aug-05, at 7:30 AM, wrote:
> Be aware that *no* system is foolproof. I have seen RAIDs fail on
> at least
> 3 occasions in the past 5 or 6 years.
>
> 1) Large Fortune 100 consulting company I worked for (not as sys/
> network
> admin, tho). Apparently the controller died and corrupted the disk
> (s) in
> the process
>
> 2) my Linux web host. power supply committed murder-suicide and
> toasted
> the motherboard (and built-in RAID controller), as well as one hard
> drive.
> The tech took the *bad* hard drive and restored it onto the (till that
> moment) good hard drive.
>
> 3) my Linux web host, about 2 years prior to number 2) above.
> Controller
> failed silently and slowly over a long period of time. Eventually
> one of
> the disks failed and when the second mirro drive was used, it was
> discovered it hadn't been written to in several months.
>
> All three situations were not "such a big deal" as we had regular
> nightly
> backups.
>
> Due to paranoia, we also rsync the entire disk every night to an
> offsite
> machine in another state and regulary burn copies to CD or DVD.
>
> And even more paranoid, we have a second drive that we mount every
> night
> in the middle of the night, rsync it to the primary drive and then
> unmount
> it. This allows us a 'almost hot', 'almost good' backup to be
> available
> anytime we need it.
>
> For my personal laptop, i burn a CD/DVD every week or so.
>
> Like all things, weight the cost vs the benefit. How much will it
> cost you
> to make a backup vs what it will cost you if the laptop falls
> overboard/etc?
>
> jim
>
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