Help, my disk array has one dead member

[Bruce Ferrell]

On 03/23/2017 02:11 AM, Liam Proven wrote:
> On 22 March 2017 at 22:36, Bruce Ferrell <bferrell at baywinds.org> wrote:
>> it's either needless (this is why we use a RAID)
>
> WHAT?!
>
> The #1 thing that any competent storage admin will tell you, or any
> guide book, is this:
>
> *RAID is not a replacement for backups.*
>
> Yes you still need to copy the stuff off it. If the user has never
> done a disk swap before and switches the wrong disk or something, all
> data will be lost. If the problem is not just a failing disk, all data
> will be lost. If there are issues with controller, cabling, filesystem
> corruption, anything except a failed disk, data will be lost.
>
> This is terrible, awful advice.
>
>
>
> RADI is not
I was talking about in the context of disaster recovery.
Not overall storage management.
When I'me cleaning up from a failed disk, one must perform triage.

1.) priority is recover the operation.
2.) is everything else

if you try to do everything all at once, y'all got a good change of losing everything

Of course purists everywhere will armchair quarterback anyway