Hello David,
On my testing cluster, the lvmlockd was firstly used with sanlock and
everything was OK.
After some play, I want to change the "sanlock" lock_type of a VG into
"dlm" locktype.
With dlm_controld running, I tried as following, but still failed.
1. Performed as the "Changing dlm cluster name" section of `man lvmlockd`:
# dlm_tool ls // no lockspace available
# vgs
Reading VG vg1 without a lock.
VG #PV #LV #SN Attr VSize VFree
vg1 1 1 0 wz--ns 19.97g 18.72g
# vgchange --lock-type none --force vg1 // the cmd comes from
`man lvmlockd`
Command does not accept option: --force.
2. Tried with 'global/locking_type=0':
# vgchange --config 'global/locking_type=0' --lock-type dlm vg1
WARNING: Locking disabled. Be careful! This could corrupt your metadata.
ERROR: configuration setting use_lvmlockd cannot be used with
clustered locking_type 3.
The error message is strange because the locking_type=0 in the command
line and locking_type=1
in lvm.conf.
Not sure if it's a real problem or am doing something wrong?
Regards,
Eric
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