On Tue, Apr 5, 2016 at 7:14 AM, Wols Lists <antlists@xxxxxxxxxxxxxxx> wrote: > DO YOU HAVE A BACKUP :-) There are three categories of stuff on this array: 1) my own pictures and home videos, which are backed up to crashplan's servers. So they're available and current but incredibly inconvenient to get to through my 1.7Mbps DSL (yes, DSL exists in 2016). 2) local crashplan backups from other computers in the house. If I lose this then crashplan just re-dumps the data from its source again. 3) mythtv recordings of shows going back many years. This is ~2TB by itself and since the aforementioned DSL is my automatic backup path, and I don't feel I lose much if it dies, it's not backed up. Primarily my wife wants these kept, so for domestic harmony I'll need to find 2TB elsewhere to dump this to before I do anything experimental. > Thing is, when one drive fails, it should be ringing alarm bells that > another one is on its last legs - these things have an annoying habit of > failing in bunches. Which says that you really need a *second* spare > drive handy - is the rebuild going to tip one of your live drives over > the edge? I'd say the chances of you ending up with a 5-device raid-6 > with one device failed is a lot higher than you'd like :-( Quite true. That's why I wanted to switch to RAID6 in the first place. This is an incredibly old array, dating back a little over 10 years. All of the original drives have been replaced (with larger ones) along the way and there have been a number of plain old failed drives that had to be replaced as well. Having no redundancy available during the rebuild is a nail-biting experience I want to stop having. :) Noah -- 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
