[Linux-cluster] 2 node rm hang more info - dlm hang?

[Daniel McNeil]

On Sun, 2004-12-12 at 20:56, David Teigland wrote:
> > cl032.ld.decipher Glock (rgrp[3], 17)
> 
> > Resource d6e2a5cc (parent 00000000). Name (len=24) "       3              11"
> > Local Copy, Master is node 3
> > Granted Queue
> > 0022031d NL Master:     001b004c
> > Conversion Queue
> > Waiting Queue
> > 0036020c -- (EX) Master:     00330164  LQ: 0,0x8
>   
> > Is there an easy way to know which resource name matches with
> > glock?
> 
> These are the same, gfs prints as 3,17; dlm prints in hex 3,11
> 
> 
> > AFAIKT, the glock is waiting for the unlock to happen.
> > The DLM (if this is the matching dlm lock) is NL waiting
> > to grant to EX, but it not doing it.
> > 
> > Thoughts?  Is my analysis correct?
> 
> cl030 already has a NL lock granted and is requesting a second lock (EX).
> To get the full dlm picture you need to look at 3,11 on both nodes:
> 
> cl030 (nodeid 1)
> ----------------
> 
> Resource d6e2a5cc (parent 00000000). Name (len=24) "       3              11"
> Local Copy, Master is node 3
> Granted Queue
> 0022031d NL Master:     001b004c
> Conversion Queue
> Waiting Queue
> 0036020c -- (EX) Master:     00330164  LQ: 0,0x8
> 
> 
> cl032 (nodeid 3)
> ----------------
> 
> Resource ddac08e4 (parent 00000000). Name (len=24) "       3              11"  
> Master Copy
> LVB: 01 16 19 70 00 00 10 28 00 00 42 1f 00 00 00 00 
>      00 00 00 a1 00 00 10 8d 00 00 00 00 00 00 00 00 
> Granted Queue
> 002b014b EX
> 001b004c NL Remote:   1 0022031d
> 001d027b NL
> Conversion Queue
> Waiting Queue
> 003300be -- (EX) Remote:   1 002d009b  LQ: 0,0x8
> 
> 
> I don't see why the remote lock id's aren't correct for cl030's EX lock:
> cl030_lkid 0036020c != cl032_remote_lkid 002d009b
> cl032_lkid 003300be != cl030 remote_lkid 00330164
> 
> Compare with cl030's NL lock for which the lkid's are correct.  For
> something that basic there must be something really obvious I'm missing.


Also, doesn't the "Granted Queue 002b014b EX"
mean that someone also has the dlm lock exclusive on cl032?

Daniel