Hi, Please see bellow outputs
e1000: eth0: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX and there is no packet loss on the network. Kernel Interface table Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth0 1500 0 9148114 0 0 016991786 0 0 0 BMRU lo 16436 0 69389 0 0 0 69389 0 0 0 LRU regards, Udara. On Fri, Oct 30, 2009 at 5:41 PM, Mag Gam <[email protected]> wrote: > Check the network connections. > > > What kind of network are you on? 10/100 or 100/1000? Do you see any > dropped packets? > > > > On Fri, Oct 30, 2009 at 7:49 AM, udara weerapperuma <[email protected]> > wrote: > > > > Hi All, > > > > > > I have SLES 11 x86-64 and lustre v 1.8.1.1 installed in it. This use as > MDS > > and OSS. > > > > /dev/sda3 ----2 GB------ MDT > > /dev/sdb2 ----5 GB------ OST1 > > /dev/sdb3 ----5 GB------ OST2 > > /dev/sdb5 ----5 GB------ OST3 > > /dev/sdb6 ----5 GB------ OST4 > > > > Then I have 2 clients running on SLES 11 x86-64 and SLES 10 SP2 x86-64 > both > > has the lustre v 1.8.1.1 installed. > > The SLES 10 client gives the same speed for every bs value in dd command > (dd > > if=/dev/zero of=/lustre/sles10.out bs=1k gives 43 MB/s) > > This is same for the every bs value on SLES 10 SP2. > > > > But for the SLES 11 x86-64 client gives only 4 MB/s speed for the small > bs > > values. (bs=1k ) > > It gives 45 MB/s for the bs=32k values and up. > > > > I have attached some outputs from the llstat command on both the clients. > > > > Please give me a solution to tune SLES 11 x86-64 server to get 40 MB/s > speed > > under bs=1k situvation. > > tnx, > > Udara > > > > > > _______________________________________________ > > Lustre-discuss mailing list > > [email protected] > > http://lists.lustre.org/mailman/listinfo/lustre-discuss > > > > >
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