imp02 /etc/glusterfs/SAS-glusterfs.vol

imp02-SAS-glusterfs.vol

### Add client feature and attach to remote subvolume
volume mp-sas1-imp01
    type protocol/client
    option transport-type tcp
    option remote-host 213.133.111.249
    option remote-port 49994
    option remote-subvolume mp-sas1
    option username MP
    option password sPOUwe74w38sdkl
end-volume
volume mp-sas1-imp02
    type protocol/client
    option transport-type tcp
    option remote-host 176.9.3.15
    option remote-port 49994
    option remote-subvolume mp-sas1
    option username MP
    option password sPOUwe74w38sdkl
end-volume

### Add IO-threads add asynchronous (background) file system operations
volume mp-sas1-imp01-io-threads
    type performance/io-threads
    option thread-count 8  # default is 16
    subvolumes mp-sas1-imp01
end-volume
volume mp-sas1-imp02-io-threads
    type performance/io-threads
    option thread-count 8  # default is 16
    subvolumes mp-sas1-imp02
end-volume

### Add IO-Cache feature
volume mp-sas1-imp01-iocache
    type performance/io-cache
    option cache-timeout 2
    subvolumes mp-sas1-imp01-io-threads
end-volume
volume mp-sas1-imp02-iocache
    type performance/io-cache
    option cache-timeout 2
    subvolumes mp-sas1-imp02-io-threads
end-volume

### Add writeback feature
volume mp-sas1-imp01-writeback
    type performance/write-behind
    option cache-size 8MB
    option flush-behind off
    option enable-O_SYNC on
    subvolumes mp-sas1-imp01-iocache
end-volume
volume mp-sas1-imp02-writeback
    type performance/write-behind
    option cache-size 8MB
    option flush-behind off
    option enable-O_SYNC on
    subvolumes mp-sas1-imp02-iocache
end-volume

### read-ahead pre-fetches a sequence of blocks in advance based on its predictions
volume mp-sas1-imp01-read-ahead
    type performance/read-ahead
    option page-count 2           # 2 is default option
    option force-atime-update off # default is off
    subvolumes mp-sas1-imp01-writeback
end-volume
volume mp-sas1-imp02-read-ahead
    type performance/read-ahead
    option page-count 2           # 2 is default option
    option force-atime-update off # default is off
    subvolumes mp-sas1-imp02-writeback
end-volume

### Distributed storage
volume mp-sas1
    type cluster/replicate
    # Use local volume for read operations
#    option read-subvolume mp-sas1-imp01-read-ahead
    option read-subvolume mp-sas1-imp02-read-ahead
    subvolumes mp-sas1-imp01-read-ahead mp-sas1-imp02-read-ahead
end-volume