Arm2Arm
Mittwoch, 1. Oktober 2014
sysbench: benchmark your mysql storage
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0) yum install sysbench -y 1) mysql -uroot -e "CREATE SCHEMA sbtest;" 2) sysbench --db-driver=mysql --test=oltp --num-threads=...
Donnerstag, 18. September 2014
cli ansible vs clustershell : running commands on multiple hosts.
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Let us start with CentOS 6.5 1) enable epel: yum locainstall -y http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noa...
1 Kommentar:
Mittwoch, 17. September 2014
OpenSM lid and more...
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On centOS 6.5 yum groupinstall "Infiniband Support" yum install infiniband-diags Infiniband diagnostics tools are containing n...
Fix infiniband QDR or FDR troubles on fat memory machines.
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Fix memory trouble on FAT machines: The formula to computer the maximum value of pagepool when using RDMA is: 2^log_num_mtt x 2^log_mtt...
CentOS 7 after install:
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CentOS 7 is different management than CentOS 5.x and 6.x. It is uses systemctl to manage services. systemctl enable sshd systemctl list-u...
Lustre 2.1.6 server and 2.5.3 client.
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Do they compatible ? The answer is yes! Lustre client upgrading using yum in centos 6.5 : vim /etc/yum.repo/lustre.repo [hpddLustreserv...
Ovirt 3.4.3-1: recover VM from an "unknown" state.
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After iscsi(iser) storage failure and host local disk corruption one of the HA VMs is stalled in "?"=status unknown. restarting ov...
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