[ceph-users] Multi-MDS setup, one MDS stuck in resolve, 3 stuck in standby, can't make another MDS come live

2014-06-05 Thread David Jericho
Hi all, I did a bit of an experiment with multi-mds on firefly, and it worked fine until one of the MDS crashed when rebalancing. It's not the end of the world, and I could just start fresh with the cluster, but I'm keen to see if this can be fixed as running multi-mds is something I would like

Re: [ceph-users] Multi-MDS setup, one MDS stuck in resolve, 3 stuck in standby, can't make another MDS come live

2014-06-05 Thread David Jericho
> -Original Message- > From: Yan, Zheng [mailto:uker...@gmail.com] > looks like you removed mds.0 from the failed list. I don't think there is a > command to add mds the failed back. maybe you can use 'ceph mds setmap > ...' . >From memory, I probably did, misunderstanding how it worked.

[ceph-users] Maximum realistic latency between Mons, MDS, and OSDs

2014-02-17 Thread David Jericho
w hundred Mbps which would cover many use cases. The latency was the obvious issue. David Jericho Senior Systems Administrator AARNet Pty Ltd t. +61 (0) 7 3317 9576 m. +61 423 027 185 e. david.jeri...@aarnet.edu.au w. www.aarnet.edu.au street address: Ground Floor, 143 Coronation Drive, Mi