It is a harmless message as far as working of io-threads, write-behind & io-cache are concerned.
--
gowda
Hi,
I am trying to load io-threads, write-behind and io-cache on the server side but the log shows " undefined symbol: notify -- neglecting ". Can someone explain what this means? Does this means that they are not loaded? Thank you.
2008-12-26 18:25:54 D [xlator.c:421:xlator_set_type] xlator: attempt to load file /usr/lib/glusterfs/1.4.0rc7/xlator/performance/io-threads.so
2008-12-26 18:25:54 D [xlator.c:461:xlator_set_type] xlator: dlsym(notify) on /usr/lib/glusterfs/1.4.0rc7/xlator/performance/io-threads.so: undefined symbol: notify -- neglecting
2008-12-26 18:25:54 D [spec.y:213:section_type] parser: Type:iot:performance/io-threads
2008-12-26 18:25:54 D [spec.y:288:section_option] parser: Option:iot:thread-count:4
2008-12-26 18:25:54 D [spec.y:357:section_sub] parser: child:iot->gfs-ds-afr
2008-12-26 18:25:54 D [spec.y:372:section_end] parser: end:iot
2008-12-26 18:25:54 D [spec.y:187:new_section] parser: New node for 'writeback'
2008-12-26 18:25:54 D [xlator.c:421:xlator_set_type] xlator: attempt to load file /usr/lib/glusterfs/1.4.0rc7/xlator/performance/write-behind.so
2008-12-26 18:25:54 D [xlator.c:461:xlator_set_type] xlator: dlsym(notify) on /usr/lib/glusterfs/1.4.0rc7/xlator/performance/write-behind.so: undefined symbol: notify -- neglecting
2008-12-26 18:25:54 D [spec.y:213:section_type] parser: Type:writeback:performance/write-behind
2008-12-26 18:25:54 D [spec.y:288:section_option] parser: Option:writeback:aggregate-size:2MB
2008-12-26 18:25:54 D [spec.y:288:section_option] parser: Option:writeback:window-size:3MB
2008-12-26 18:25:54 D [spec.y:357:section_sub] parser: child:writeback->iot
2008-12-26 18:25:54 D [spec.y:372:section_end] parser: end:writeback
2008-12-26 18:25:54 D [spec.y:187:new_section] parser: New node for 'gfs'
2008-12-26 18:25:54 D [xlator.c:421:xlator_set_type] xlator: attempt to load file /usr/lib/glusterfs/1.4.0rc7/xlator/performance/io-cache.so
2008-12-26 18:25:54 D [xlator.c:461:xlator_set_type] xlator: dlsym(notify) on /usr/lib/glusterfs/1.4.0rc7/xlator/performance/io-cache.so: undefined symbol: notify -- neglecting
#############################################
### GlusterFS Server Volume Specification ##
##############################################
# dataspace on storage2
volume gfs-ds
type storage/posix
option directory /opt/gfs-ds
end-volume
# posix locks
volume gfs-ds-locks
type features/posix-locks
subvolumes gfs-ds
end-volume
# dataspace on storage1
volume gfs-storage1-ds
type protocol/client
option transport-type tcp/client
option remote-host 192.168.19.251 # storage network
option remote-subvolume gfs-ds-locks
option transport-timeout 10 # value in seconds; it should be set relatively low
end-volume
# automatic file replication translator for dataspace
volume gfs-ds-afr
type cluster/afr
subvolumes gfs-ds-locks gfs-storage1-ds # local and remote dataspaces
end-volume
# the actual exported volume
volume iot
type performance/io-threads
option thread-count 4
# option cache-size 96MB
subvolumes gfs-ds-afr
end-volume
# performance block for cluster # optional!
volume writeback
type performance/write-behind
option aggregate-size 2MB # default is 0bytes
option window-size 3MB # default is 0bytes
# option flush-behind on # default is 'off'
subvolumes iot
end-volume
volume gfs
type performance/io-cache
option cache-size 96MB # default is 32MB
option page-size 1MB #128KB is default option
# option priority *.h:3,*.html:2,*:1 # default is '*:0'
option cache-timeout 2 # default is 1 second
subvolumes writeback
end-volume
# finally, the server declaration
volume server
type protocol/server
option transport-type tcp/server
subvolumes gfs
# storage network access only
option auth.ip.gfs-ds-locks.allow *,127.0.0.1
option auth.ip.gfs.allow *
end-volume
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