Thanks to all, now we can make that duration to 25 seconds around, this is
the best result as we can.
BR
On Tue, Dec 3, 2019 at 10:30 PM Wido den Hollander wrote:
>
>
> On 12/3/19 3:07 PM, Aleksey Gutikov wrote:
> >
> >> That is true. When an OSD goes down it will take a few seconds for it's
>
On 12/3/19 3:07 PM, Aleksey Gutikov wrote:
That is true. When an OSD goes down it will take a few seconds for it's
Placement Groups to re-peer with the other OSDs. During that period
writes to those PGs will stall for a couple of seconds.
I wouldn't say it's 40s, but it can take ~10s.
That is true. When an OSD goes down it will take a few seconds for it's
Placement Groups to re-peer with the other OSDs. During that period
writes to those PGs will stall for a couple of seconds.
I wouldn't say it's 40s, but it can take ~10s.
Hello,
According to my experience, in case of
On 11/29/19 6:28 AM, jes...@krogh.cc wrote:
> Hi Nathan
>
> Is that true?
>
> The time it takes to reallocate the primary pg delivers “downtime” by
> design. right? Seen from a writing clients perspective
>
That is true. When an OSD goes down it will take a few seconds for it's
Placement
"rule_id": 1,
"rule_name": "myfs-metadata",
"ruleset": 1,
"type": 1,
"min_size": 1,
"max_size": 10,
"steps": [
{
Hi Nathan
Is that true?
The time it takes to reallocate the primary pg delivers “downtime” by design.
right? Seen from a writing clients perspective
Jesper
Sent from myMail for iOS
Friday, 29 November 2019, 06.24 +0100 from pen...@portsip.com
:
>Hi Nathan,
>
>Thanks for the help.
Hi Nathan,
Thanks for the help.
My colleague will provide more details.
BR
On Fri, Nov 29, 2019 at 12:57 PM Nathan Fish wrote:
> If correctly configured, your cluster should have zero downtime from a
> single OSD or node failure. What is your crush map? Are you using
> replica or EC? If your
If correctly configured, your cluster should have zero downtime from a
single OSD or node failure. What is your crush map? Are you using
replica or EC? If your 'min_size' is not smaller than 'size', then you
will lose availability.
On Thu, Nov 28, 2019 at 10:50 PM Peng Bo wrote:
>
> Hi all,
>
>
Hi all,
We are working on use CEPH to build our HA system, the purpose is the
system should always provide service even a node of CEPH is down or OSD is
lost.
Currently, as we practiced once a node/OSD is down, the CEPH cluster needs
to take about 40 seconds to sync data, our system can't
