[Leica] really elementary backup question

[kcarney1 at cox.net (Ken Carney)]

Richard,

Thanks.  Yes, I have some paranoia which has served me well (my day job 
is tax adviser).  Any suggestions?  I see B&H has a Drobo 5tb kit for 
$1,000 - would that address my inquiry?   But then a burglar might swipe 
the Drobo unit....don't laugh.  My wife was injured in a carjacking 
while the thug was trying to steal her Volvo station wagon, a/k/a the 
refrigerator....there are desperate folks out there.

Ken

On 3/15/2012 6:17 PM, Richard Man wrote:
> The long answer is "you don't know."
>
> The short answer ( :-) ) is, use a journaled file system on your back up
> drive, or RAID or something with some sort of redundancy checks.
>
> Individual bit errors can always occur, although when a drive goes, usually
> a whole portion will go and you will notice pretty soon, e.g. your backup
> of backup may start to fail.
>
> If you are paranoid, do an equivalent of disk check every week or month or
> whatever.
>
> On Thu, Mar 15, 2012 at 4:11 PM, Ken Carney<kcarney1 at cox.net>  wrote:
>
>> I see from Martin Evening's book that the LR catalog should be backed up
>> manually.  I assume this is because it is checking for errors.  For other
>> backups, I use SyncBack.   It backs up my internal drive with my photos to
>> two external drives each week, at 2 a.m.  Then about once a month I back 
>> up
>> that internal drive to a third external drive.  When the automated backup
>> occurs, how would I know that some internal drive files have not become
>> corrupted, and I am just backing up worthless data?  I realize this is a
>> really basic question, but my choices are to ask the our consultants at 
>> the
>> firm and probably get deer in the headlights, or get an understandable
>> answer from the LUG.  Thanks!
>>
>> Ken
>>
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>
>