[Nottingham] Disc failure in a RAID 1 array

[Jason Irwin]

On 27/09/18 01:17, Martin wrote:
> I'm sure mdadm will allow you to expand your raid area/size...
Sweet, that'd be a bit easier that having to mess around with the partitions can then continually swap drive around or other shenanigans until everything is expanded.

> I've kept away from the green/eco/NAS drives due to poor reports for
> their spinups from low power mode... Then again, all depends on your
> usage cycles.
Yeah, I found out about all that *after* I had the drives and what can kill them is their aggressive spin-down to stave on power. All those down/up cycles kill the motor after a while.
Still, they haven't put a foot wrong up until now and I don't exactly need super-fast response times anyway.
What 

> All newer stuff is on SSD. HDDs are only being used for bulk/archive
> storage. Moved my gateway machine off USB memory sticks (f2fs) onto a
> single SSD (btrfs) some time ago.
It's going to have to be HDDs for me, no way my budget will stretch to multiple, multi-terabyte SSDs!
Hmm....could put the OS on a smaller SSD and then Contianers/VMs on spinning rust....

> SMART is only good for letting you know something failed. Never seen it
> useful for any prediction of fail.
That's the weird thing. MDADM had ynaked the drive from the RAID due to an problem (no idea what) but SMART says nothing is wrong.
It's all rebuilt now and (touch wood), working.

> Hope you're getting a share of some of this blazingly good sunshine!
Err...mostly been misty rain that, despite one's best efforts, always goes down the back of one's neck.

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