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* [linux-lvm] Problem activating lvm-raid
@ 2018-08-31 16:28 Sven Eschenberg
  0 siblings, 0 replies; only message in thread
From: Sven Eschenberg @ 2018-08-31 16:28 UTC (permalink / raw)
  To: linux-lvm

Hi all,

I recently had to reboot one of my machines which is usually up 24/7. To 
my surprise the activation of the lvm-raid volume failed. I am kinda 
stuck finding the reason - the userland got updated regularly and 
everything used to work as expected.

Version of lvm being used: lvm2-2.02.181

lvchange -v -ay TsR1/port
     Activating logical volume TsR1/port exclusively.
     activation/volume_list configuration setting not defined: Checking 
only host tags for TsR1/port.
     Creating TsR1-port_rmeta_0
     Loading table for TsR1-port_rmeta_0 (253:0).
     Resuming TsR1-port_rmeta_0 (253:0).
     Creating TsR1-port_rimage_0
     Loading table for TsR1-port_rimage_0 (253:1).
     Resuming TsR1-port_rimage_0 (253:1).
     Creating TsR1-port_rmeta_1
     Loading table for TsR1-port_rmeta_1 (253:2).
     Resuming TsR1-port_rmeta_1 (253:2).
     Creating TsR1-port_rimage_1
     Loading table for TsR1-port_rimage_1 (253:3).
     Resuming TsR1-port_rimage_1 (253:3).
     Creating TsR1-port
     Loading table for TsR1-port (253:5).
   device-mapper: reload ioctl on  (253:5) failed: Invalid argument
     Removing TsR1-port (253:5)

dmsetup table:

TsR1-port_rmeta_1: 0 512 linear 8:50 512
TsR1-port_rmeta_0: 0 512 linear 8:34 512
TsR1-port_rimage_1: 0 8388608 linear 8:50 1024
TsR1-port_rimage_0: 0 8388608 linear 8:34 1024

Running lvchange again:
lvchange -v -ay TsR1/port
     Activating logical volume TsR1/port exclusively.
   Activation of logical volume TsR1/port is prohibited while logical 
volume TsR1/port_rimage_0 is active.

Since activation fails, shouldn't the changes done not be rolled back 
entirely? Usually one would expect identical behavior on a second 

And thje master question: Why does the activation fail in the first place?

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2018-08-31 16:28 [linux-lvm] Problem activating lvm-raid Sven Eschenberg

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