On Thu, Oct 2, 2008 at 12:46 PM, Bob Friesenhahn
<[EMAIL PROTECTED]> wrote:
> On Thu, 2 Oct 2008, Ahmed Kamal wrote:
>>
>> What is the "real/practical" possibility that I will face data loss during
>> the next 5 years for example ? As storage experts please help me
>> interpret whatever numbers you're going to throw, so is it a "really really
>> small chance", or would you be worried about it ?
>
> No one can tell you the answer to this. Certainly math can be
> formulated which shows that the pyramids in Egypt will be completely
> flattened before you experience data loss. Obviously that math has
> little value once it exceeds the lifetime of the computer by many
> orders of magnitude.
>
> Raidz2 is about as good as it gets on paper. Bad things can still
> happen which are unrelated to what raidz2 protects against or are a
> calamity which impacts all the hardware in the system. If you care
> about your data, make sure that you have a working backup system.
>
Agreed. But make that an offsite backup (Amazon S3 comes to mind).
We are already at the point in the evolution of computer technology
where errors caused by people are far more likely to cause data loss.
Or a water leak over the weekend or.... etc.
Regards,
--
Al Hopper Logical Approach Inc,Plano,TX [EMAIL PROTECTED]
Voice: 972.379.2133 Timezone: US CDT
OpenSolaris Governing Board (OGB) Member - Apr 2005 to Mar 2007
http://www.opensolaris.org/os/community/ogb/ogb_2005-2007/
_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
