Re: put 2 hard drives in mdadm raid 1 and detect bitrot like btrfs does, what's that called?

2021-02-03 Thread Andrew Luke Nesbit
On 03/02/2021 19:04, cedric.dew...@eclipso.eu wrote: I am looking for a way to make a raid 1 of two SSD's, and to be able to detect corrupted blocks, much like btrfs does that. I recall being told about a month ago to use a specific piece of software for that, but i forgot to make a note of it

Fast, SLC SAS SSD's as dm-cache or bcache [Re: NVME experience?]

2021-01-17 Thread Andrew Luke Nesbit
Dear Zygo, Thank you for this fantastic message. I hope you -- and the rest of the list -- doesn't mind my jumping in mid-message... On 17/01/2021 19:55, Zygo Blaxell wrote: You can use a NVME device as a dm-cache or bcache device--the low-latency interface is ideal for caching use cases, if