Am Mittwoch, 20. September 2006 14:58 schrieb Roman Kyrylych:
> 2006/9/20, Roman Kyrylych <[EMAIL PROTECTED]>:
> > Hi!
> >
> > 2006/9/20, Tobias Powalowski <[EMAIL PROTECTED]>:
> > > Kernel:
> > > kernel 2.6.18 series is now in testing, it will be the kernel series
> > > for 0.8 release
> > > so please test this stuff well before it can go into current
> > > repository.
> >
> > Haven't tested it yet, but config file now contains
> > CONFIG_MD_RAID5_RESHAPE=y
> > Does this mean that RAID5 reshaping is now safe to use?
>
> Also
> CONFIG_VIDEO_V4L1=y
> CONFIG_VIDEO_V4L1_COMPAT=y
> CONFIG_VIDEO_V4L2=y
> In previous version there were compiled as modules. Why this change
> was made? Does it solves some problems?
Hi here is what kernel says:
--- snip
config MD_RAID5_RESHAPE
bool "Support adding drives to a raid-5 array (experimental)"
depends on MD_RAID456 && 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 such restriping to be done while the array
is online. However it is still EXPERIMENTAL code. It should
work, but please be sure that you have backups.
You will need mdadm version 2.4.1 or later to use this
feature safely. During the early stage of reshape there is
a critical section where live data is being over-written. A
crash during this time needs extra care for recovery. The
newer mdadm takes a copy of the data in the critical section
and will restore it, if necessary, after a crash.
The mdadm usage is e.g.
mdadm --grow /dev/md1 --raid-disks=6
to grow '/dev/md1' to having 6 disks.
Note: The array can only be expanded, not contracted.
There should be enough spares already present to make the new
array workable.
---snap
looks like a use it at your own risk feature,
about V4l:
v4l modules are not possibly anymore and are selected automatically to =y
greetings
tpowa
--
Tobias Powalowski
Archlinux Developer & Package Maintainer (tpowa)
http://www.archlinux.org
[EMAIL PROTECTED]
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