Hello:

        We have used glusterfs3.4 with the lasted samba-glusterfs-vfs lib to 
test samba performance in windows client.

two glusterfs server nodes export share with name of "gvol":
hardwares:
        brick use a raid 5 logic disk with 8 * 2T SATA HDDs
        10G network connection

one linux client mount the "gvol" with cmd:
[root@localhost current]#  mount.cifs //192.168.100.133/gvol /mnt/vfs -o 
user=kane,pass=123456

then i use iozone to test the write performance in mount dir "/mnt/vfs":
[root@localhost current]# ./iozone -s 10G -r 128k -i0 -t 4
…..
        File size set to 10485760 KB
        Record Size 128 KB
        Command line used: ./iozone -s 10G -r 128k -i0 -t 4
        Output is in Kbytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 Kbytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
        Throughput test with 4 processes
        Each process writes a 10485760 Kbyte file in 128 Kbyte records

        Children see throughput for  4 initial writers  =  487376.67 KB/sec
        Parent sees throughput for  4 initial writers   =  486184.67 KB/sec
        Min throughput per process                      =  121699.91 KB/sec 
        Max throughput per process                      =  122005.73 KB/sec
        Avg throughput per process                      =  121844.17 KB/sec
        Min xfer                                        = 10459520.00 KB

        Children see throughput for  4 rewriters        =  491416.41 KB/sec
        Parent sees throughput for  4 rewriters         =  490298.11 KB/sec
        Min throughput per process                      =  122808.87 KB/sec 
        Max throughput per process                      =  122937.74 KB/sec
        Avg throughput per process                      =  122854.10 KB/sec
        Min xfer                                        = 10474880.00 KB

linux client mount with cifs , write performance reach 480MB/s per client;

but when i use win7 client mount the "gvol" with cmd:
net use Z: \\192.168.100.133\gvol 123456 /user:kane

then also use iozone test in dir Z, even with write block 1Mbyte :
        File size set to 10485760 KB
        Record Size 1024 KB
        Command line used: iozone -s 10G -r 1m -i0 -t 4
        Output is in Kbytes/sec
        Time Resolution = -0.000000 seconds.
        Processor cache size set to 1024 Kbytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
        Throughput test with 4 processes
        Each process writes a 10485760 Kbyte file in 1024 Kbyte records

        Children see throughput for  4 initial writers  =  148164.82 KB/sec
        Parent sees throughput for  4 initial writers   =  148015.48 KB/sec
        Min throughput per process                      =   37039.91 KB/sec
        Max throughput per process                      =   37044.45 KB/sec
        Avg throughput per process                      =   37041.21 KB/sec
        Min xfer                                        = 10484736.00 KB

        Children see throughput for  4 rewriters        =  147642.12 KB/sec
        Parent sees throughput for  4 rewriters         =  147472.16 KB/sec
        Min throughput per process                      =   36909.13 KB/sec
        Max throughput per process                      =   36913.29 KB/sec
        Avg throughput per process                      =   36910.53 KB/sec
        Min xfer                                        = 10484736.00 KB

iozone test complete.

then reach 140MB/s

so , anyone meet with this problem.Is there win7 clinet to reconfigure to 
perform  well?

Thanks!

kane                   
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电话:    0510-85385788-616



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