2011/3/23 huang jun :
> hi，
> yes，the mds is overloaded. there are four clients in the ceph
> cluster，and each of them send a great many of requests to the mds. i
> think the standby should become active and share the workload rather
> than take over the laggy one in this case. what do you think a
> The MDS gets marked laggy if it goes too long without sending a
> "beacon" to the monitors. This generally happens if the MDS gets
> overloaded by client requests for some reason -- or if it simply
> crashes. Your config looks okay so either your MDS doesn't have the
There seems to be another ci
2011/3/23 huang jun :
> Hi all，
> There are two mds in the ceph cluster，one is active and the other is
> standby. In my test, I found the mds0 was marked as laggy, and it
> was taken over by the standby soon. And it will take a long time for
> the standby to become active if there are a great man
Hi all，
There are two mds in the ceph cluster，one is active and the other is
standby. In my test, I found the mds0 was marked as laggy, and it
was taken over by the standby soon. And it will take a long time for
the standby to become active if there are a great many of requests
from the client. I
Hi Wilfrid,
If you used a promo code you should be able to create a Ceph Object Storage
user. This will give you access to the playground via our S3 lookalike service,
which you can set up to serve images the same way you set up Amazon S3 to do so.
You can also create users to use the Ceph files
Hi all,
I downloaded the ODP file "Ceph: a scalable distributed storage system
for Linux (January 20, 2010)" and read on the last slide that it was
possible to test a storage service/free test cluster on dreamhost.com
I used the promo code from the slide and I setup a test website +
installed Gall
Just a note:
Sage's thesis makes a big deal out of the fact that you can get a rados ack
using only in-memory ops. Since the switch away from ebofs, you need to be in
parallel journaling mode to get that speed boost and you can only be in
parallel mode if you're using btrfs. So if you're using e
On Wed, 23 Mar 2011, Brian Chrisman wrote:
> Regarding section 5.3 of this paper (section titled 'Data Safety')
> http://www.usenix.org/events/osdi06/tech/full_papers/weil/weil_html/
>
> I've had some discussions recently about what kind of data consistency
> we can achieve.
> >From discussions on
Regarding section 5.3 of this paper (section titled 'Data Safety')
http://www.usenix.org/events/osdi06/tech/full_papers/weil/weil_html/
I've had some discussions recently about what kind of data consistency
we can achieve.
>From discussions on this list/IRC, it's clear that right now ceph,
with a
