On 20/09/17 22:45, Kai Krakow wrote:
Am Wed, 20 Sep 2017 17:51:15 +0200
schrieb Psalle :
On 19/09/17 17:47, Austin S. Hemmelgarn wrote:
(...)
A better option if you can afford to remove a single device from
that array temporarily is to use bcache. Bcache has one specific
advantage in this cas
> -Original Message-
> From: linux-btrfs-ow...@vger.kernel.org [mailto:linux-btrfs-
> ow...@vger.kernel.org] On Behalf Of Kai Krakow
> Sent: Thursday, 21 September 2017 6:45 AM
> To: linux-btrfs@vger.kernel.org
> Subject: Re: SSD caching an existing btrfs raid1
>
>
Am Wed, 20 Sep 2017 17:51:15 +0200
schrieb Psalle :
> On 19/09/17 17:47, Austin S. Hemmelgarn wrote:
> (...)
> >
> > A better option if you can afford to remove a single device from
> > that array temporarily is to use bcache. Bcache has one specific
> > advantage in this case, multiple backend d
On 19/09/17 17:47, Austin S. Hemmelgarn wrote:
(...)
A better option if you can afford to remove a single device from that
array temporarily is to use bcache. Bcache has one specific advantage
in this case, multiple backend devices can share the same cache
device. This means you don't have
Austin S. Hemmelgarn posted on Tue, 19 Sep 2017 11:47:24 -0400 as
excerpted:
> A better option if you can afford to remove a single device from that
> array temporarily is to use bcache. Bcache has one specific advantage
> in this case, multiple backend devices can share the same cache device.
>
> -Original Message-
> From: linux-btrfs-ow...@vger.kernel.org [mailto:linux-btrfs-
> ow...@vger.kernel.org] On Behalf Of Pat Sailor
> Sent: Wednesday, 20 September 2017 1:31 AM
> To: Btrfs BTRFS
> Subject: SSD caching an existing btrfs raid1
>
> Hello,
>
> I have a half-filled raid1 on
On 2017-09-19 11:30, Pat Sailor wrote:
Hello,
I have a half-filled raid1 on top of six spinning devices. Now I have
come into a spare SSD I'd like to use for caching, if possible without
having to rebuild or, failing that, without having to renounce to btrfs
and flexible reshaping.
I've bee
