Linux server test DELL R910

dell-r910

dellr910

CPU load test

openssl speed -multi $(cat /proc/cpuinfo | grep processor | wc -l)

cpu100

CPU and RAM stress test

sudo apt-get install stress
stress --vm 32 --vm-bytes 12800M

cpu100-2

RAID test – data and speed

lspci | grep RAID
sudo lshw -short -C disk
sudo hdparm -Tt /dev/sda

stress3

Stress RAID 5 storage

stress --io 10 --hdd 10 --timeout 30s --verbose

stress_hdd

RAID – read and write speed real-time

sudo apt-get install iotop
sudo iotop

iotop

Write speed

dd if=/dev/zero of=./largefile bs=1M count=1024

dd

Read speed

Run the following command to clear the memory cache

sudo sh -c "sync && echo 3 > /proc/sys/vm/drop_caches"

Now read the file which was created in write test:

dd if=./largefile of=/dev/null bs=4k

dd_read

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