On Fri, Mar 23, 2018 at 5:53 PM, Nicolas Huillard wrote:
> Le vendredi 23 mars 2018 à 12:14 +0100, Ilya Dryomov a écrit :
>> On Fri, Mar 23, 2018 at 11:48 AM, wrote:
>> > The stock kernel from Debian is perfect
>> > Spectre / meltdown mitigations are
Le vendredi 23 mars 2018 à 12:14 +0100, Ilya Dryomov a écrit :
> On Fri, Mar 23, 2018 at 11:48 AM, wrote:
> > The stock kernel from Debian is perfect
> > Spectre / meltdown mitigations are worthless for a Ceph point of
> > view,
> > and should be disabled (again, strictly
On Fri, Mar 23, 2018 at 3:01 PM, wrote:
> Ok ^^
>
> For Cephfs, as far as I know, quota support is not supported in kernel space
> This is not specific to luminous, tho
quota support is coming, hopefully in 4.17.
Thanks,
Ilya
Ok ^^
For Cephfs, as far as I know, quota support is not supported in kernel space
This is not specific to luminous, tho
On 03/23/2018 03:00 PM, Ilya Dryomov wrote:
> On Fri, Mar 23, 2018 at 2:18 PM, wrote:
>> On 03/23/2018 12:14 PM, Ilya Dryomov wrote:
>>> luminous
On Fri, Mar 23, 2018 at 2:18 PM, wrote:
> On 03/23/2018 12:14 PM, Ilya Dryomov wrote:
>> luminous cluster-wide feature bits are supported since kernel 4.13.
>
> ?
>
> # uname -a
> Linux abweb1 4.14.0-0.bpo.3-amd64 #1 SMP Debian 4.14.13-1~bpo9+1
> (2018-01-14) x86_64
On 03/23/2018 12:14 PM, Ilya Dryomov wrote:
> luminous cluster-wide feature bits are supported since kernel 4.13.
?
# uname -a
Linux abweb1 4.14.0-0.bpo.3-amd64 #1 SMP Debian 4.14.13-1~bpo9+1
(2018-01-14) x86_64 GNU/Linux
# rbd info truc
rbd image 'truc':
size 20480 MB in 5120 objects
On Fri, Mar 23, 2018 at 11:48 AM, wrote:
> The stock kernel from Debian is perfect
> Spectre / meltdown mitigations are worthless for a Ceph point of view,
> and should be disabled (again, strictly from a Ceph point of view)
>
> If you need the luminous features, using the
The stock kernel from Debian is perfect
Spectre / meltdown mitigations are worthless for a Ceph point of view,
and should be disabled (again, strictly from a Ceph point of view)
If you need the luminous features, using the userspace implementations
is required (librbd via rbd-nbd or qemu,
Hi all,
I'm using Luminous 12.2.4 on all servers, with Debian stock kernel.
I use the kernel cephfs/rbd on the client side, and have a choice of :
* stock Debian 9 kernel 4.9 : LTS, Spectre/Meltdown mitigations in
place, field-tested, probably old libceph inside.
* backports kernel 4.14 :