MTU is already 9000, and as you can see from the IPERF results, I've got a nice, fast connection between the nodes.
On Tue, Dec 12, 2023 at 9:49 AM Strahil Nikolov <hunter86...@yahoo.com> wrote: > Hi, > > Let’s try the simple things: > > Check if you can use MTU9000 and if it’s possible, set it on the Bond > Slaves and the bond devices: > ping GLUSTER_PEER -c 10 -M do -s 8972 > > Then try to follow up the recommendations from > https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.5/html/administration_guide/chap-configuring_red_hat_storage_for_enhancing_performance > > > > Best Regards, > Strahil Nikolov > > On Monday, December 11, 2023, 3:32 PM, Danny <dbray925+glus...@gmail.com> > wrote: > > Hello list, I'm hoping someone can let me know what setting I missed. > > Hardware: > Dell R650 servers, Dual 24 Core Xeon 2.8 GHz, 1 TB RAM > 8x SSD s Negotiated Speed 12 Gbps > PERC H755 Controller - RAID 6 > Created virtual "data" disk from the above 8 SSD drives, for a ~20 TB > /dev/sdb > > OS: > CentOS Stream > kernel-4.18.0-526.el8.x86_64 > glusterfs-7.9-1.el8.x86_64 > > IPERF Test between nodes: > [ ID] Interval Transfer Bitrate Retr > [ 5] 0.00-10.00 sec 11.5 GBytes 9.90 Gbits/sec 0 > sender > [ 5] 0.00-10.04 sec 11.5 GBytes 9.86 Gbits/sec > receiver > > All good there. ~10 Gbps, as expected. > > LVM Install: > export DISK="/dev/sdb" > sudo parted --script $DISK "mklabel gpt" > sudo parted --script $DISK "mkpart primary 0% 100%" > sudo parted --script $DISK "set 1 lvm on" > sudo pvcreate --dataalignment 128K /dev/sdb1 > sudo vgcreate --physicalextentsize 128K gfs_vg /dev/sdb1 > sudo lvcreate -L 16G -n gfs_pool_meta gfs_vg > sudo lvcreate -l 95%FREE -n gfs_pool gfs_vg > sudo lvconvert --chunksize 1280K --thinpool gfs_vg/gfs_pool --poolmetadata > gfs_vg/gfs_pool_meta > sudo lvchange --zero n gfs_vg/gfs_pool > sudo lvcreate -V 19.5TiB --thinpool gfs_vg/gfs_pool -n gfs_lv > sudo mkfs.xfs -f -i size=512 -n size=8192 -d su=128k,sw=10 > /dev/mapper/gfs_vg-gfs_lv > sudo vim /etc/fstab > /dev/mapper/gfs_vg-gfs_lv /gluster/data/brick xfs > rw,inode64,noatime,nouuid 0 0 > > sudo systemctl daemon-reload && sudo mount -a > fio --name=test --filename=/gluster/data/brick/wow --size=1G > --readwrite=write > > Run status group 0 (all jobs): > WRITE: bw=2081MiB/s (2182MB/s), 2081MiB/s-2081MiB/s (2182MB/s-2182MB/s), > io=1024MiB (1074MB), run=492-492msec > > All good there. 2182MB/s =~ 17.5 Gbps. Nice! > > > Gluster install: > export NODE1='10.54.95.123' > export NODE2='10.54.95.124' > export NODE3='10.54.95.125' > sudo gluster peer probe $NODE2 > sudo gluster peer probe $NODE3 > sudo gluster volume create data replica 3 arbiter 1 > $NODE1:/gluster/data/brick $NODE2:/gluster/data/brick > $NODE3:/gluster/data/brick force > sudo gluster volume set data network.ping-timeout 5 > sudo gluster volume set data performance.client-io-threads on > sudo gluster volume set data group metadata-cache > sudo gluster volume start data > sudo gluster volume info all > > Volume Name: data > Type: Replicate > Volume ID: b52b5212-82c8-4b1a-8db3-52468bc0226e > Status: Started > Snapshot Count: 0 > Number of Bricks: 1 x (2 + 1) = 3 > Transport-type: tcp > Bricks: > Brick1: 10.54.95.123:/gluster/data/brick > Brick2: 10.54.95.124:/gluster/data/brick > Brick3: 10.54.95.125:/gluster/data/brick (arbiter) > Options Reconfigured: > network.inode-lru-limit: 200000 > performance.md-cache-timeout: 600 > performance.cache-invalidation: on > performance.stat-prefetch: on > features.cache-invalidation-timeout: 600 > features.cache-invalidation: on > network.ping-timeout: 5 > transport.address-family: inet > storage.fips-mode-rchecksum: on > nfs.disable: on > performance.client-io-threads: on > > sudo vim /etc/fstab > localhost:/data /data glusterfs > defaults,_netdev 0 0 > > sudo systemctl daemon-reload && sudo mount -a > fio --name=test --filename=/data/wow --size=1G --readwrite=write > > Run status group 0 (all jobs): > WRITE: bw=109MiB/s (115MB/s), 109MiB/s-109MiB/s (115MB/s-115MB/s), > io=1024MiB (1074MB), run=9366-9366msec > > Oh no, what's wrong? From 2182MB/s down to only 115MB/s? What am I > missing? I'm not expecting the above ~17 Gbps, but I'm thinking it should > at least be close(r) to ~10 Gbps. > > Any suggestions? > ________ > > > > Community Meeting Calendar: > > Schedule - > Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC > Bridge: https://meet.google.com/cpu-eiue-hvk > Gluster-users mailing list > Gluster-users@gluster.org > https://lists.gluster.org/mailman/listinfo/gluster-users > >
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