Re: [PATCH 005 of 5] md: Final stages of raid5 expand code.

From: Sander
Date: Tue Jan 17 2006 - 04:53:52 EST


NeilBrown wrote (ao):
> +config MD_RAID5_RESHAPE

Would this also be possible for raid6?

> + bool "Support adding drives to a raid-5 array (highly experimental)"
> + depends on MD_RAID5 && EXPERIMENTAL
> + ---help---
> + A RAID-5 set can be expanded by adding extra drives. This
> + requires "restriping" the array which means (almost) every
> + block must be written to a different place.
> +
> + This option allows this restiping to be done while the array
^^^^^^^^^
restriping

> + is online. However it is VERY EARLY EXPERIMENTAL code.
> + In particular, if anything goes wrong while the restriping
> + is happening, such as a power failure or a crash, all the
> + data on the array will be LOST beyond any reasonable hope
> + of recovery.
> +
> + This option is provided for experimentation and testing.
> + Please to NOT use it on valuable data with good, tested, backups.
^^ ^^^^
do without

Thanks a lot for this feature. I'll try to find a spare computer to test
this on. Thanks!

Kind regards, Sander

--
Humilis IT Services and Solutions
http://www.humilis.net
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