Re: near full osd

["Aronesty, Erik" <earonesty@xxxxxxxxxxxxxxxxxxxxxx>]

If there’s an underperforming disk, why on earth would more data be put on it?  You’d think it would be less….   I would think an overperforming disk should (desirably) cause that case,right?

 

From: ceph-users-bounces@xxxxxxxxxxxxxx [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Greg Chavez
Sent: Tuesday, November 05, 2013 11:20 AM
To: Kevin Weiler
Cc: ceph-users@xxxxxxxxxxxxxx
Subject: Re: near full osd

 

Kevin, in my experience that usually indicates a bad or underperforming disk, or a too-high priority.  Try running "ceph osd crush reweight osd.<##> 1.0.  If that doesn't do the trick, you may want to just out that guy.

 

I don't think the crush algorithm guarantees balancing things out in the way you're expecting.

--Greg

On Tue, Nov 5, 2013 at 11:11 AM, Kevin Weiler <Kevin.Weiler@xxxxxxxxxxxxxxx> wrote:

Hi guys, 

 

I have an OSD in my cluster that is near full at 90%, but we're using a little less than half the available storage in the cluster. Shouldn't this be balanced out?

 

--

Kevin Weiler

IT

 

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