Vinum deprecation for FreeBSD 14 - are there any remaining Vinum users?

[Lev Serebryakov]

On 01.04.2021 2:39, Doug Ambrisko wrote:

> | > I can only state that I use it only occasionally, and that when I do. I
> | > have had no problems with it. I'm glad that it's there when I need it.
> |
> | Thanks for the reply. Can you comment on your use cases - in
> | particular, did you use mirror, stripe, or raid5? If the first two
> | then gmirror, gconcat, gstripe, and/or graid are suitable
> | replacements.
> |
> | I'm not looking to deprecate it just because it's old, but because of
> | a mismatch between user and developer expectations about its
> | stability.
> 
> It would be nice if graid got full support for RAID5 alteast I'm not sure
> how much the others are used for that are not fully supported (RAID4,
> RAID5, RAID5E, RAID5EE, RAID5R, RAID6, RAIDMDF) according to the man
> page.  I started to hack in RAID5 full support and try to avoid writes
> if members didn't change.  This limits our VROC support.
  My experience, as co-author and maintainer of `sysutil/graid5`, shows, that it is very non-trivial task. It contains many subtle problems.

  `graid5` still has some undiscovered problems, and I don't think it worth fixing in 2021, when we have ZFS for many years.


-- 
// Lev Serebryakov