On Nov 30, 2016, at 3:40 AM, Kamil Jońca wrote:
> Rick Thomas writes:
>
>> Hi Kamil,
>>
>> You’d get a bit more space by configuring your 4 drives as a RAID5
>> array (3TB usable for RAID5, vs 2TB usable for RAID10). The downside
>> of RAID5 is that the RAID10 (or the one LV with two RAID1 P
Rick Thomas writes:
> Hi Kamil,
>
> You’d get a bit more space by configuring your 4 drives as a RAID5
> array (3TB usable for RAID5, vs 2TB usable for RAID10). The downside
> of RAID5 is that the RAID10 (or the one LV with two RAID1 PVs — they
> amount to the same thing for this discussion) can
Andy Smith writes:
> Hi Kamil,
>
> On Tue, Nov 29, 2016 at 01:26:55AM +0100, Kamil Jońca wrote:
>> My first plan was somehow migrate to RAID10. I thought that is simply
>> "raid0 over some raid1 arrays" so it should be legal to use 2*1TB +
>> 2*1GB devices and then extend 2*1G => 2*1TB. But it no
Hi Kamil,
You’d get a bit more space by configuring your 4 drives as a RAID5 array (3TB
usable for RAID5, vs 2TB usable for RAID10). The downside of RAID5 is that the
RAID10 (or the one LV with two RAID1 PVs — they amount to the same thing for
this discussion) can survive loosing two drives at
Hi Kamil,
On Tue, Nov 29, 2016 at 01:26:55AM +0100, Kamil Jońca wrote:
> My first plan was somehow migrate to RAID10. I thought that is simply
> "raid0 over some raid1 arrays" so it should be legal to use 2*1TB +
> 2*1GB devices and then extend 2*1G => 2*1TB. But it not work that
> way. All device
kjo...@poczta.onet.pl (Kamil Jońca) writes:
[...]> 2. there is md0 (raid1) with two disk in it. It is PV for lvm.
> I want to extend space by adding another two disks. Is it possible somehow
> extent md0? Or the only way is to create second md device, and assign it
> to volume group?
My first pl
On Tuesday 22 November 2016 18:10:53 Kamil Jońca wrote:
> 2. there is md0 (raid1) with two disk in it. It is PV for lvm.
> I want to extend space by adding another two disks. Is it possible somehow
> extent md0? Or the only way is to create second md device, and assign it
> to volume group?
I can
Dan Ritter writes:
> http://serverfault.com/questions/43677/best-way-to-grow-linux-software-raid-1-to-raid-10
Yes. And it was my idea (except rsync I plan to do pvmove to new aray)
Thanks for confirmation.
KJ
--
http://stopstopnop.pl/stop_stopnop.pl_o_nas.html
The sweeter the apple, the blacker
> Unfortunately I cannot see how from raid1 of 2*1TB disks migrate to
> raid1(raid10?) of 4*1TB disks
I don't think you can reshape a RAID 1 to a RAID 10.
mdadm can reshape RAID 1/5/6. You can move from RAID 5 to 6 or the other
way around.
*Maybe* you can even reshape from 1 to RAID 5/6.
I see
On Tue, Nov 22, 2016 at 09:10:50PM +0100, Kamil Jońca wrote:
> Dan Ritter writes:
>
> >> I want to extend space by adding another two disks. Is it possible somehow
> >> extent md0? Or the only way is to create second md device, and assign it
> >> to volume group?
> >
>
> Unfortunately I cannot
Dan Ritter writes:
>> I want to extend space by adding another two disks. Is it possible somehow
>> extent md0? Or the only way is to create second md device, and assign it
>> to volume group?
>
Unfortunately I cannot see how from raid1 of 2*1TB disks migrate to
raid1(raid10?) of 4*1TB disks
K
On Tue, Nov 22, 2016 at 06:10:53PM +0100, Kamil Jońca wrote:
> (I do not know it is proper place to ask these questions.)
> 1.
> man mdadm has some info about CONTAINER-s.
>
> I think, that I understand how to use it, but I cannot imagine use case
> of containers.
> Can someone explain whent it is
(I do not know it is proper place to ask these questions.)
1.
man mdadm has some info about CONTAINER-s.
I think, that I understand how to use it, but I cannot imagine use case
of containers.
Can someone explain whent it is desirable to use containers, especially
DDF instead of free mdX devices?
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