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Commit Graph

5 Commits

Author SHA1 Message Date
David Teigland
593900b795 lvmetad: use defines for disabled reason strings 2016-04-19 11:45:24 -05:00
David Teigland
a4ef8fa25e lvmetad: add disabled state
A global flag in lvmetad indicates it has been disabled.
Other flags indicate the reason it was disabled.
These flags can be queried using get_global_info.

The lvmetactl debugging utility can set and clear the
disabled flag in lvmetad.  Nothing else sets the
disabled flag yet.

Commands will check these flags after connecting to
lvmetad.  If the disabled flag is set, the command
will not use the lvmetad cache, but revert to disk
scanning.

To test this feature:

$ lvmetactl get_global_info
response = "OK"
global_invalid = 0
global_disable = 0
disable_reason = "none"
token = "filter:3041577944"

$ vgs
(should report VGs from lvmetad)

$ lvmetactl set_global_disable 1

$ lvmetactl get_global_info
response = "OK"
global_invalid = 0
global_disable = 1
disable_reason = "DIRECT"
token = "filter:3041577944"

$ vgs
  WARNING: Not using lvmetad because the disable flag was set directly.
(should report VGs without contacting lvmetad)

$ lvmetactl set_global_disable 0

$ vgs
(should report VGs from lvmetad)
2016-04-19 09:41:18 -05:00
Zdenek Kabelac
32762e2a9c libdaemon: fix passing 32bit values for %d
Since %d is now prohibited for its great confusion,
replace it with  FMTd64 and correctly converted int64_t
parameter.
2015-11-09 17:04:10 +01:00
David Teigland
f0b3e05add lvmetad: also accept vg name for set_vg_info
set_vg_info previously accepted only vg uuid,
now accept both vg uuid and vg name.  If the
uuid is provided, it's used just as before,
but if the uuid is not provided, or if it's
not found, then fall back to using the vg
name if that is provided.
2015-08-28 14:36:48 -05:00
David Teigland
d16332be72 lvmetactl: program to interact with lvmetad
This is not installed; it's only a developer utility
at this point.
2015-07-06 15:54:22 -05:00