on 2013-08-11 24:15 David Mann wrote
On Aug 9, 2013, at 1:54 PM, Godfrey DiGiorgi <[email protected]> wrote:
It's very little time to do this stuff since everything is automated. I worked
out the policy and mechanisms five or six years back, it's been running the
same ever since although I've upgraded drives and computers since several times.
This makes me wonder how many of us with comprehensive backups have actually
had a drive fail so you need to restore the data?
my own main drive hasn't failed in a long time, but my partner's laptop drive
failed a couple of years ago and Time Machine made recovery pretty seamless; i
do restore individual items from Time Machine periodically, which is a partial
test of backup integrity, and when i switch hard drives i use a clone, which is
a pretty good test of the procedure i use for tertiary backups; i have had
backup drives fail several times
i did recently help a friend who had not thought things through when she
brought her iMac in for repair — they replaced the iMac and her data was gone;
fortunately i had set her up with Time Machine and it saved the day; there was
a glitch with Time Machine, though, due to a configuration change she had made
while waiting for the iMac; for a few hours she was faced with the scenario of
1) data wiped out, and 2) backup not intact; we eventually worked around it,
but it reinforced my prior advice for a tertiary backup system so she started
doing periodic clones and taking them off-site
a few years ago i contracted at a large corpse where another department (on
which my department relied for file services) managed to obliterate a RAID
array ("RAID is safe, right?") and in the process discovered their (untested)
backups were also faulty … heads rolled; the situation i had been brought in to
clean up (i am a software janitor) was even more tenuous, but from the start i
had advocated protective measures, so i was made to seem very wise
quite recently i took a retainer for improving a website and said one of the
first things i needed to do was confirm the site was properly backed up; i soon
got word from the previous contractor that he didn't think the backups were
working; the clients, while failing to give me any way to check the backups,
and thus making it impossible to set up a staging server, nonetheless insisted
i rush a major reconfiguration of the site; when the clients clearly didn't
understood nor accept the liability of this approach, i told them it wasn't
going to work and said goodbye
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