hi james!
thanks for your help
we are using 3.0.7 at the moment in our productive system
here are some server and then some client volume files:
----- server volume file 1 -----
volume posix
type storage/posix
option directory /gluster-storage/projekte/ksc/
# option o-direct enable
option background-unlink yes
# option export-statfs-size no
end-volume
volume locks
type features/locks
subvolumes posix
end-volume
volume ksc
type performance/io-threads
option thread-count 16
subvolumes locks
end-volume
volume server
type protocol/server
option transport-type tcp
option transport.socket.listen-port 7025
option auth.addr.ksc.allow 10.0.1.*
subvolumes ksc
end-volume
----- client volume file 1 -----
volume vgfs-01-001-ksc
type protocol/client
option transport-type tcp
option remote-host vgfs-01-001
option remote-port 7025
option ping-timeout 10
option remote-subvolume ksc
end-volume
# distribute
volume distribute1-ksc
type cluster/distribute
option lookup-unhashed auto
option min-free-disk 5%
subvolumes vgfs-01-001-ksc
end-volume
volume vgfs-01-002-ksc
type protocol/client
option transport-type tcp
option remote-host vgfs-01-002
option remote-port 7025
option ping-timeout 10
option remote-subvolume ksc
end-volume
# distribute
volume distribute2-ksc
type cluster/distribute
option lookup-unhashed auto
option min-free-disk 5%
subvolumes vgfs-01-002-ksc
end-volume
volume ksc-data-replicate
type cluster/replicate
subvolumes distribute1-ksc distribute2-ksc
end-volume
volume iocache
type performance/io-cache
option cache-size 64MB #1GB supported
option cache-timeout 1
subvolumes ksc-data-replicate
end-volume
volume quick-read
type performance/quick-read
# option cache-timeout 10 (1 second)
# option max-file-size 1048576 (64Kb)
subvolumes iocache
end-volume
volume trace
type debug/trace
subvolumes quick-read
# option include open,close,create,readdir,opendir,closedir
# option exclude lookup,read,write
end-volume
----- server volume file 2 -----
volume posix
type storage/posix
option directory /gluster-storage/projekte/macm02
end-volume
volume locks
type features/locks
subvolumes posix
end-volume
volume macm02-data
type performance/io-threads
option thread-count 16
subvolumes locks
end-volume
volume server
type protocol/server
option transport-type tcp
option transport.socket.listen-port 7004
option auth.addr.macm02-data.allow 10.0.1.*
subvolumes macm02-data
end-volume
----- client volume file 2 -----
volume vgfs-01-001-macm02
type protocol/client
option transport-type tcp
option remote-host vgfs-01-001
option remote-port 7004
option ping-timeout 5
option remote-subvolume macm02-data
end-volume
# distribute
volume distribute1-macm02
type cluster/distribute
option lookup-unhashed yes
option min-free-disk 5%
subvolumes vgfs-01-001-macm02
end-volume
volume vgfs-01-002-macm02
type protocol/client
option transport-type tcp
option remote-host vgfs-01-002
option remote-port 7004
option ping-timeout 5
option remote-subvolume macm02-data
end-volume
# distribute
volume distribute2-macm02
type cluster/distribute
option lookup-unhashed yes
option min-free-disk 5%
subvolumes vgfs-01-002-macm02
end-volume
volume macm02-data-replicate
type cluster/replicate
subvolumes distribute1-macm02 distribute2-macm02
end-volume
volume readahead
type performance/read-ahead
option page-count 16 # cache per file = (page-count x page-size)
subvolumes macm02-data-replicate
end-volume
volume writebehind
type performance/write-behind
option cache-size 2048KB
option flush-behind on
subvolumes readahead
end-volume
#volume readahead
# type performance/read-ahead
# option page-count 16 # cache per file = (page-count x page-size)
# subvolumes writebehind
#end-volume
volume iocache
type performance/io-cache
option cache-size 1GB #1GB supported
option cache-timeout 1
subvolumes writebehind
end-volume
volume iothreads
type performance/io-threads
option thread-count 64 # default is 16
subvolumes iocache
end-volume
volume quickread
type performance/quick-read
option cache-timeout 1
option max-file-size 64kB
subvolumes iothreads
end-volume
volume statprefetch
type performance/stat-prefetch
subvolumes quickread
end-volume
----- server volume file 3 -----
volume posix
type storage/posix
option directory /gluster-storage/projekte/hosting2/
option o-direct enable
option background-unlink yes
end-volume
volume locks
type features/locks
subvolumes posix
end-volume
volume hosting2
type performance/io-threads
option thread-count 16
subvolumes locks
end-volume
volume server
type protocol/server
option transport-type tcp
option transport.socket.listen-port 7005
option auth.addr.hosting2.allow 10.0.1.*
subvolumes hosting2
end-volume
----- client volume file 3 -----
volume vgfs-01-001-hosting2
type protocol/client
option transport-type tcp
option remote-host vgfs-01-001
option remote-port 7005
option ping-timeout 20
option remote-subvolume hosting2
end-volume
volume vgfs-01-002-hosting2
type protocol/client
option transport-type tcp
option remote-host vgfs-01-002
option remote-port 7005
option ping-timeout 20
option remote-subvolume hosting2
end-volume
# distribute
volume distribute1-hosting2
type cluster/distribute
option lookup-unhashed yes
option min-free-disk 5%
subvolumes vgfs-01-001-hosting2
end-volume
# distribute
volume distribute2-hosting2
type cluster/distribute
option lookup-unhashed yes
option min-free-disk 5%
subvolumes vgfs-01-002-hosting2
end-volume
volume backup-data-replicate
type cluster/replicate
subvolumes distribute1-hosting2 distribute2-hosting2
end-volume
volume readahead
type performance/read-ahead
option page-count 16 # cache per file = (page-count x page-size)
subvolumes backup-data-replicate
end-volume
volume iocache
type performance/io-cache
option cache-size 1024MB #1GB supported
option cache-timeout 1
subvolumes readahead
end-volume
volume iothreads
type performance/io-threads
option thread-count 6 # default is 16
subvolumes iocache
end-volume
volume quickread
type performance/quick-read
option cache-timeout 30
option max-file-size 1024000
subvolumes iothreads
end-volume
----- server volume file 4 -----
volume posix
type storage/posix
option directory /gluster-storage/projekte/xna-static
end-volume
volume locks
type features/locks
subvolumes posix
end-volume
volume iocache
type performance/io-cache
option cache-size 1GB #1GB supported
option cache-timeout 1
subvolumes locks
end-volume
volume xna-static-data
type performance/io-threads
option thread-count 32
subvolumes iocache
end-volume
volume server
type protocol/server
option transport-type tcp
option transport.socket.listen-port 7006
option auth.addr.xna-static-data.allow 10.0.1.*
subvolumes xna-static-data
end-volume
----- client volume file 4 -----
volume vgfs-01-001-xna-static
type protocol/client
option transport-type tcp
option remote-host vgfs-01-001
option remote-port 7006
option ping-timeout 5
option remote-subvolume xna-static-data
end-volume
# distribute
volume distribute1-xna-static
type cluster/distribute
option lookup-unhashed yes
option min-free-disk 5%
subvolumes vgfs-01-001-xna-static
end-volume
volume vgfs-01-002-xna-static
type protocol/client
option transport-type tcp
option remote-host vgfs-01-002
option remote-port 7006
option ping-timeout 5
option remote-subvolume xna-static-data
end-volume
# distribute
volume distribute2-xna-static
type cluster/distribute
option lookup-unhashed yes
option min-free-disk 5%
subvolumes vgfs-01-002-xna-static
end-volume
volume xna-static-data-replicate
type cluster/replicate
subvolumes distribute1-xna-static distribute2-xna-static
end-volume
volume iocache
type performance/io-cache
option cache-size 1GB #1GB supported
option cache-timeout 1
subvolumes xna-static-data-replicate
end-volume
volume iothreads
type performance/io-threads
option thread-count 8 # default is 16
subvolumes iocache
end-volume
volume quickread
type performance/quick-read
option cache-timeout 1
option max-file-size 128kB
subvolumes iothreads
end-volume
volume statprefetch
type performance/stat-prefetch
subvolumes quickread
end-volume
regards
markus
Am 27.01.2011 17:57, schrieb Burnash, James:
> Hello.
>
> I have experienced this situation with the 3.0.4 release of Glusterfs - it was related to a bug that had to do with recursive file deletions (in my case).
>
> That bug has been fixed in 3.1.1 which is what I am currently running.
>
> Can you give us your Glusterfs version, and a copy of your volume files for server and client?
>
> That would help us to help you.
>
> Thanks,
>
> James
>
> -----Original Message-----
> From: gluster-users-bounces at gluster.org [mailto:gluster-users-bounces at gluster.org] On Behalf Of Markus Fr?hlich
> Sent: Thursday, January 27, 2011 11:03 AM
> To: gluster-users at gluster.org
> Subject: sometimes connection errors - glusterfs limit?
>
> hi!
>
>
> problem description:
>
> 1-3 times a day glusterfs seems to hang - like freezed - network traffic is a few secounds again
> zero, because there is no glusterfs communication.
> in the log of the servers, that clients got disconnected and a little bit later connected again
> but the network traffic seems okay and is not at limit - there are no errors on the networkinterfaces.
> we also checked cables and switchports on the switches.
>
> we think that glusterfs in combination with the I/O is the bottleneck here.
> average we can say the storage setup is in use with 2/3 read and 1/3 write operations.
>
> is there a limitation of volumes, clients, mounts etc. in the glusterfs code?
> has some one made similar experience or troubles with such a setup?
> is it possible that to much clients are connected to few servers?
> has any one some tip for us?
>
> -------------------------------------
> our setup:
>
> two glusterfs servers:
> * areca raid controller with raid5 setup
> * 3 LUNs each 11 TB with 70%-99% in use with ext3 formated
> * SLES11 x86_64
> * glusterfs V 3.0.7
>
>
> 45 - 50 glusterfs client servers:
> * SLES10, SLES11, SLES11 SP1
> * glusterfs V 3.0.7
> * all VOLs client replicated to the both glusterfs servers
> -----------------------------------
>
> volume files:
>
> server export vols look like this - some options differ:
> --
> volume posix
> type storage/posix
> option directory /gluster-storage/projekte/ksc/
> option background-unlink yes
> end-volume
>
> volume locks
> type features/locks
> subvolumes posix
> end-volume
>
> volume ksc
> type performance/io-threads
> option thread-count 16
> subvolumes locks
> end-volume
>
> volume server
> type protocol/server
> option transport-type tcp
> option transport.socket.listen-port 7025
> option auth.addr.ksc.allow 10.0.1.*
> subvolumes ksc
> end-volume
> --
> volume posix
> type storage/posix
> option directory /gluster-storage/projekte/hosting/
> option o-direct enable
> option background-unlink yes
> end-volume
>
> volume locks
> type features/locks
> subvolumes posix
> end-volume
>
> volume hosting2
> type performance/io-threads
> option thread-count 16
> subvolumes locks
> end-volume
>
> volume server
> type protocol/server
> option transport-type tcp
> option transport.socket.listen-port 7005
> option auth.addr.hosting2.allow 10.0.1.*
> subvolumes hosting2
> end-volume
> --
>
> client repl. mount VOL files:
>
> volume vgfs-01-001-ksc
> type protocol/client
> option transport-type tcp
> option remote-host vgfs-01-001
> option remote-port 7025
> option ping-timeout 10
> option remote-subvolume ksc
> end-volume
>
> # distribute
> volume distribute1-ksc
> type cluster/distribute
> option lookup-unhashed auto
> option min-free-disk 5%
> subvolumes vgfs-01-001-ksc
> end-volume
>
> volume vgfs-01-002-ksc
> type protocol/client
> option transport-type tcp
> option remote-host vgfs-01-002
> option remote-port 7025
> option ping-timeout 10
> option remote-subvolume ksc
> end-volume
>
> # distribute
> volume distribute2-ksc
> type cluster/distribute
> option lookup-unhashed auto
> option min-free-disk 5%
> subvolumes vgfs-01-002-ksc
> end-volume
>
> volume ksc-data-replicate
> type cluster/replicate
> subvolumes distribute1-ksc distribute2-ksc
> end-volume
>
> volume iocache
> type performance/io-cache
> option cache-size 64MB #1GB supported
> option cache-timeout 1
> subvolumes ksc-data-replicate
> end-volume
>
> volume quick-read
> type performance/quick-read
> # option cache-timeout 10 (1 second)
> # option max-file-size 1048576 (64Kb)
> subvolumes iocache
> end-volume
>
> volume trace
> type debug/trace
> subvolumes quick-read
> # option include open,close,create,readdir,opendir,closedir
> # option exclude lookup,read,write
> end-volume
> --
> volume vgfs-01-001-hosting
> type protocol/client
> option transport-type tcp
> option remote-host vgfs-01-001
> option remote-port 7005
> option ping-timeout 20
> option remote-subvolume hosting
> end-volume
>
> volume vgfs-01-002-hosting
> type protocol/client
> option transport-type tcp
> option remote-host vgfs-01-002
> option remote-port 7005
> option ping-timeout 20
> option remote-subvolume hosting
> end-volume
>
> # distribute
> volume distribute1-hosting
> type cluster/distribute
> option lookup-unhashed yes
> option min-free-disk 5%
> subvolumes vgfs-01-001-hosting
> end-volume
>
> # distribute
> volume distribute2-hosting
> type cluster/distribute
> option lookup-unhashed yes
> option min-free-disk 5%
> subvolumes vgfs-01-002-hosting
> end-volume
>
> volume backup-data-replicate
> type cluster/replicate
> subvolumes distribute1-hosting distribute2-hosting
> subvolumes distribute2-hosting
> end-volume
>
> volume readahead
> type performance/read-ahead
> option page-count 16 # cache per file = (page-count x page-size)
> subvolumes backup-data-replicate
> end-volume
>
> volume iocache
> type performance/io-cache
> option cache-size 1024MB #1GB supported
> option cache-timeout 1
> subvolumes readahead
> end-volume
>
> volume iothreads
> type performance/io-threads
> option thread-count 6 # default is 16
> subvolumes iocache
> end-volume
>
> volume quickread
> type performance/quick-read
> option cache-timeout 30
> option max-file-size 1024000
> subvolumes iothreads
> end-volume
> --
>
>
> regards
> markus
>
>
>
--
Mit freundlichen Gr?ssen
Markus Fr?hlich
Techniker
________________________________________________________
Xidras GmbH
Stockern 47
3744 Stockern
Austria
Tel: +43 (0) 2983 201 30503
Fax: +43 (0) 2983 201 305039
Email: markus.froehlich at xidras.com
Web: http://www.xidras.com
FN 317036 f | Landesgericht Krems | ATU64485024
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