On Wed, 31 Dec 2008 8:25:08 am Chris Mason wrote:
> This gets confusing in a hurry, but the idea is to duplicate metadata by
> default. So, if you're using the default mount options on a single
> drive and add a second drive, it should switch metadata to raid1.
Yup, that's what I inferred from y
On Mon, 2008-12-29 at 20:35 +0800, Yan Zheng wrote:
> 2008/12/29 Roland :
> >>> so i can do btrfs-vol -r /dev/sdb while it`s being mounted, pull the disk
> >>> ,
> >>> replace it with a bigger one, rescan-scsi-bus, mkfs.btrfs the new disk
> >>> and
> >>
> >>
On Mon, 2008-12-29 at 23:16 +0800, Yan Zheng wrote:
> 2008/12/29 Chris Samuel :
> > Hello Yan,
> >
> > On Mon, 29 Dec 2008 11:33:18 pm Yan Zheng wrote:
> >
> >> 2008/12/29 Chris Samuel :
> >>
> >> > The rebalancing code does appear (from a naive read of the code) to be
> >> > able to rebalance over
2008/12/29 Chris Samuel :
> Hello Yan,
>
> On Mon, 29 Dec 2008 11:33:18 pm Yan Zheng wrote:
>
>> 2008/12/29 Chris Samuel :
>>
>> > The rebalancing code does appear (from a naive read of the code) to be
>> > able to rebalance over stripes, but I have no idea if the disk format
>> > currently support
Hello Yan,
On Mon, 29 Dec 2008 11:33:18 pm Yan Zheng wrote:
> 2008/12/29 Chris Samuel :
>
> > The rebalancing code does appear (from a naive read of the code) to be
> > able to rebalance over stripes, but I have no idea if the disk format
> > currently supports changing that on the fly.
>
> The r
2008/12/29 Roland :
>>> so i can do btrfs-vol -r /dev/sdb while it`s being mounted, pull the disk
>>> ,
>>> replace it with a bigger one, rescan-scsi-bus, mkfs.btrfs the new disk
>>> and
>>
>>~~~
>>
2008/12/29 Chris Samuel :
> On Sat, 27 Dec 2008 5:45:42 pm Chris Samuel wrote:
>
>> I'll add two questions that're not answered by the Wiki too.. :-)
>
> Looking at the source implies to me:
>
>> 1) If you add a second disk to an existing btrfs filesystem, can you get it
>> to set it up as a RAID-1
so i can do btrfs-vol -r /dev/sdb while it`s being mounted, pull the disk
,
replace it with a bigger one, rescan-scsi-bus, mkfs.btrfs the new disk
and
~~~
This step will fail, you
On Sat, 27 Dec 2008 5:45:42 pm Chris Samuel wrote:
> I'll add two questions that're not answered by the Wiki too.. :-)
Looking at the source implies to me:
> 1) If you add a second disk to an existing btrfs filesystem, can you get it
> to set it up as a RAID-1 arrangement rather than just rebala
On Sun, 28 Dec 2008 21:26:11 +0800
"yanhai zhu" wrote:
> > so i can do btrfs-vol -r /dev/sdb while it`s being mounted, pull the disk ,
> > replace it with a bigger one, rescan-scsi-bus, mkfs.btrfs the new disk and
> ~~~
>
> so i can do btrfs-vol -r /dev/sdb while it`s being mounted, pull the disk ,
> replace it with a bigger one, rescan-scsi-bus, mkfs.btrfs the new disk and
~~~
This step will fail, yo
i have some difficulty in understanding multi-device handling in depth.
as
http://btrfs.wiki.kernel.org/index.php/Using_Btrfs_with_Multiple_Devices
tells,
btrfs can span over multiple devices at the same time. (great feature,
btw !)
ok then:
mkfs.btrfs -m single -d single /dev/sdb /dev/sd
On Sat, 27 Dec 2008 10:15:18 am devz...@web.de wrote:
> http://btrfs.wiki.kernel.org/index.php/Using_Btrfs_with_Multiple_Devices
I'll add two questions that're not answered by the Wiki too.. :-)
1) If you add a second disk to an existing btrfs filesystem, can you get it to
set it up as a RAID-1
devz...@web.de wrote:
> hello,
>
> i have some difficulty in understanding multi-device handling in depth.
>
> as http://btrfs.wiki.kernel.org/index.php/Using_Btrfs_with_Multiple_Devices
> tells,
>
> btrfs can span over multiple devices at the same time. (great feature, btw !)
>
> ok then:
>
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