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Veritas NetBackup™ Appliance 容量规划和性能调整指南
其他性能监视命令
此部分列出了可用于监视您的 NetBackup appliance 性能的其他命令。
要检查 VxFS(Veritas 文件系统)碎片,请使用以下命令:
sudo /opt/VRTS/bin/fsadm –t vxfs –E <filesystem mount point>
sudo /opt/VRTS/bin/fsadm –t vxfs –D <filesystem mount point>
要使用 dd 命令测试特定设备的磁盘 I/O 功能,请使用以下命令:
写入性能测试:
nb5220:/home/maintenance # for i in 1 2 ; do time (dd if=/dev/zero of=/cat/xyz$i bs=64k count=409600 oflag=direct); done
读取性能测试:
nb5220:/home/maintenance# for i in 1 2 ; do time (dd if=/cat/xyz$i of=/dev/null bs=64k iflag=direct); done