Leslie, Backup is never cheap. Unless you print the data in 0 & 1 on paper in font size 8 or 6....or maybe a reduced form of it... heh. On Wed, Oct 28, 2009 at 5:11 AM, Leslie Rhorer <lrhorer@xxxxxxxxxxx> wrote: > > I hear what you are saying, but reformatting an array to a new fs is > definitely a daunting prospect. I have a minor coronary every time I think > of deliberately reducing the number of copies of my data from 2 to 1 while > the array is re-formatted and the data copied back to the main array. This > process takes long enough that the odds of encountering two drive failures > on the RAID5 backup system during the copy are not infinitesimal... > > <sigh> > > I guess one of these days I am going to have to bite the bullet and > build a *SECOND* backup system. I don't suppose I will ever breathe > perfectly easy until I can have two completely independent systems fail and > still not lose any data. That, or maybe Blu-ray disks will become cheap > enough to create multi-terabyte backups on them. Right now, the best price > I see is $112 a terabyte, and I can do substantially better than that using > hard drives. Even if they do get cheaper than hard drives, the thought of > swapping out 400+ Blu-Ray discs over a period of several days doesn't really > thrill me. Maybe a cold hard drive backup is the answer? It eliminates > most of the pitfalls of a Blu-Ray backup, can easily be overwritten, only > requires a relative handful of discs, and costs less than $75 a terabyte. > > Hmmm... > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Majed B. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
