Please find the Comments inlined
On Fri, Dec 18, 2009 at 3:16 PM, Roland Fischer <roland.fischer@xxxxxxxxxx> wrote:
subvolumes should be:
subvolumes posix-remote posix
suvolumes should be:
subvolumes posix posix-remote
Note that the first entry here is posix, not posix-remote. This order should be maintained as replicate uses the children as lock-servers in the same order as they are given for subvolumes option. Changing the order results in different replicates (server1 and server2) using different lock-servers thereby causing race conditions.
hi all,
glusterfsversion 3.0.0
replication: server-side-replication
we have 2 glusterfs server with glusterfs v 3.0.0 and one clienthost with glusterfs v3.0.0. Now we have one partition which contains office-files and short videos.
We simulate a serverfailture on gfs-01-01 (rcnetwork stop; sleep 300; rcnetwork start). After rcnetwork stop on gfs-01-01 we see at the client host at mountpoints
/GFS/office-data02': Transport endpoint is not connected => we cant do anything on this partition. If gfs-01-01 comes back online the partition is accessable. same situation at gfs-01-02
but here if we make a df the clienthost does nothing. if gfs-01-02 is back online the partition is again accessable.
clientlog. (rcnetwork down on gfs-01-01)
[2009-12-18 12:06:51] W [fuse-bridge.c:722:fuse_attr_cbk] glusterfs-fuse: 41: STAT() /funny => -1 (Transport endpoint is not connected)
[2009-12-18 12:06:55] W [fuse-bridge.c:722:fuse_attr_cbk] glusterfs-fuse: 42: STAT() /funny => -1 (Transport endpoint is not connected)
[2009-12-18 12:06:55] W [fuse-bridge.c:2342:fuse_statfs_cbk] glusterfs-fuse: 43: ERR => -1 (Transport endpoint is not connected)
clientlog: (rcnetwork down on gfs-01-02)
[2009-12-18 12:11:48] E [client-protocol.c:415:client_ping_timer_expired] office-data02-rr: Server 192.168.11.82:7000 has not responded in the last 42 seconds, disconnecting.
[2009-12-18 12:11:48] E [saved-frames.c:165:saved_frames_unwind] office-data02-rr: forced unwinding frame type(1) op(STAT)
[2009-12-18 12:11:48] W [fuse-bridge.c:722:fuse_attr_cbk] glusterfs-fuse: 58: STAT() /funny => -1 (Transport endpoint is not connected)
[2009-12-18 12:11:48] E [saved-frames.c:165:saved_frames_unwind] office-data02-rr: forced unwinding frame type(1) op(STATFS)
[2009-12-18 12:11:48] W [fuse-bridge.c:2342:fuse_statfs_cbk] glusterfs-fuse: 59: ERR => -1 (Transport endpoint is not connected)
[2009-12-18 12:11:48] E [saved-frames.c:165:saved_frames_unwind] office-data02-rr: forced unwinding frame type(2) op(PING)
[2009-12-18 12:11:48] N [client-protocol.c:6972:notify] office-data02-rr: disconnected
[2009-12-18 12:11:48] N [client-protocol.c:6224:client_setvolume_cbk] office-data02-rr: Connected to 192.168.11.11:7000, attached to remote volume 'office-data02'.
[2009-12-18 12:11:48] N [client-protocol.c:6224:client_setvolume_cbk] office-data02-rr: Connected to 192.168.11.11:7000, attached to remote volume 'office-data02'.
Did we do anything wrong? Are the volfile wrong? This couldnt be a normal behavior?
gfs-01-01: /etc/glusterfs/export-office-data02-server_repl_gfs-01-01.vol
# export-web-data-server_repl
# gfs-01-01 /GFS/web-data
# gfs-01-02 /GFS/web-data
volume posix
type storage/posix
option directory /GFS/office-data02
end-volume
volume locks
type features/locks
subvolumes posix
end-volume
volume posix-remote
type protocol/client
option transport-type tcp
option ping-timeout 5
option remote-host gfs-01-02
option remote-port 7000
option remote-subvolume locks
end-volume
volume gfs-replicate
type cluster/replicate
subvolumes posix-remote
subvolumes should be:
subvolumes posix-remote posix
end-volume
volume writebehind
type performance/write-behind
option cache-size 2MB
option flush-behind on
subvolumes gfs-replicate
end-volume
volume office-data02
type performance/io-threads
option thread-count 32 # default is 16
subvolumes writebehind
end-volume
volume quickread
type performance/quick-read
option cache-timeout 1
option max-file-size 512kB
# subvolumes web-data
subvolumes office-data02
end-volume
volume server
type protocol/server
option transport-type tcp
option transport.socket.listen-port 7000
option auth.addr.office-data02.allow 192.xxxx.xxx.*
option auth.addr.locks.allow 192.xxxx.xxx.*
subvolumes office-data02 locks
end-volume
gfs-01-02: /etc/glusterfs/export-office-data02-server_repl_gfs-01-02.vol
# export-office-data02-server_repl
# gfs-01-01 /GFS/office-data02
# gfs-01-02 /GFS/office-data02
volume posix
type storage/posix
option directory /GFS/office-data02
end-volume
volume locks
type features/locks
subvolumes posix
end-volume
volume posix-remote
type protocol/client
option transport-type tcp
option ping-timeout 5
option remote-host gfs-01-01
option remote-port 7000
option remote-subvolume locks
end-volume
volume gfs-replicate
type cluster/replicate
subvolumes posix-remote
suvolumes should be:
subvolumes posix posix-remote
Note that the first entry here is posix, not posix-remote. This order should be maintained as replicate uses the children as lock-servers in the same order as they are given for subvolumes option. Changing the order results in different replicates (server1 and server2) using different lock-servers thereby causing race conditions.
end-volume
volume writebehind
type performance/write-behind
option cache-size 2MB
option flush-behind on
subvolumes gfs-replicate
end-volume
volume office-data02
type performance/io-threads
option thread-count 32 # default is 16
subvolumes writebehind
end-volume
volume quickread
type performance/quick-read
option cache-timeout 1
option max-file-size 512kB
# subvolumes web-data
subvolumes office-data02
end-volume
volume server
type protocol/server
option transport-type tcp
option transport.socket.listen-port 7000
option auth.addr.office-data02.allow 192.xxx.xxx.*
option auth.addr.locks.allow 192.xxx.xxx.*
subvolumes office-data02 locks
end-volume
client volfile:
volume office-data02-rr
type protocol/client
option transport-type tcp
option remote-host cluster-gfs.xxxx.xxxxx # RRDNS
option remote-port 7000
option remote-subvolume office-data02
end-volume
volume readahead
type performance/read-ahead
option page-count 16 # cache per file = (page-count x page-size)
option force-atime-update off # default is off
subvolumes office-data02-rr
end-volume
volume writebehind
type performance/write-behind
option cache-size 512MB # default is equal to aggregate-size
option flush-behind on # default is 'off'
subvolumes readahead
end-volume
volume iocache
type performance/io-cache
option cache-size 64MB # default is 32MB
# option priority *.h:3,*.html:2,*:1 # default is '*:0'
option cache-timeout 3 # default is 1 second
subvolumes writebehind
end-volume
volume quickread
type performance/quick-read
option cache-timeout 1
option max-file-size 512
subvolumes iocache
end-volume
volume stat-prefetch
type performance/stat-prefetch
subvolumes quickread
end-volume
Roland Fischer
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regards,
--
Raghavendra G
