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* [linux-lvm] Metadata Too Large For Circular Buffer
@ 2007-02-11  6:47 Jayson Vantuyl
  0 siblings, 0 replies; 2+ messages in thread
From: Jayson Vantuyl @ 2007-02-11  6:47 UTC (permalink / raw)
  To: and development general discussion LVM

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Hello LVM List,

I recently encountered this error doing an lvcreate with CLVM:

   VG ey00-data metadata too large for circular buffer

I've Googled and found it elsewhere.  It appears my metadata is too  
large for the space allocated by default on the PVs.  It also appears  
that everybody else has encountered this with throw-away data.  I  
have a very large, very live system on this.  What can I do to get  
more metadata space?

It's CLVM, so I can't pvmove (even if I had the metadata space to  
make new PVs and move this 3TB).

I can pvcreate a new PV with enough space and presumably add it to  
the system, but will this work?  Can it handle having one PV with  
enough space and others without enough space?

I absolutely have to find a solution to this, so any help would be  

Jayson Vantuyl
Systems Architect
Engine Yard

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^ permalink raw reply	[flat|nested] 2+ messages in thread

* [linux-lvm] Metadata too large for circular buffer
@ 2010-01-30  0:22 Christopher Smith
  0 siblings, 0 replies; 2+ messages in thread
From: Christopher Smith @ 2010-01-30  0:22 UTC (permalink / raw)
  To: linux-lvm

I am having this problem on a large VG (75TB) with about 320 LVs.

I found an earlier thread discussing this problem here, but I'm not confident my understanding is good enough to work off what's there:

As this data is somewhat important, I'd appreciate some help in working out exactly what to do.  The VG is clustered, and I do have the ability to add a new PV (with a larger metadata area), then pvmove everything off another PV, remove/recreate that PV, etc, etc, to get larger metadata areas on all my PVs.  I could also shut down the other node and revert the clustered VG to unclustered if that would make things easier (it's only there for redundancy, not capacity).  However, at the moment I can't do anything - even lvrename or lvremove returns this error.  Can I get some step-by-step instructions in making LVM use some file for its metadata so I can shuffle things around ?

Christopher Smith

UNIX Team Leader
NightHawk Radiology Services
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^ permalink raw reply	[flat|nested] 2+ messages in thread

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Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2007-02-11  6:47 [linux-lvm] Metadata Too Large For Circular Buffer Jayson Vantuyl
2010-01-30  0:22 [linux-lvm] Metadata too large for circular buffer Christopher Smith

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