Created
June 28, 2023 22:01
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ceph xfs vs ext4
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| #!/bin/sh | |
| set -xe | |
| ceph version | |
| echo ext4 | |
| rbd create goller-test-image --size 800GB | |
| rbd map goller-test-image | |
| mkfs -t ext4 /dev/rbd0 | |
| sleep 10 | |
| rbd du --exact goller-test-image | |
| rbd du goller-test-image | |
| mount /dev/rbd0 /mnt | |
| dd if=/dev/urandom of=/mnt/1g.bin bs=64M count=16 | |
| sleep 30 | |
| rbd du --exact goller-test-image | |
| rbd du goller-test-image | |
| rm /mnt/1g.bin | |
| sleep 30 | |
| rbd du --exact goller-test-image | |
| rbd du goller-test-image | |
| fstrim -v /mnt | |
| fstrim -v /mnt | |
| fstrim -v /mnt | |
| sleep 30 | |
| rbd du --exact goller-test-image | |
| rbd du goller-test-image | |
| umount /mnt | |
| rbd unmap goller-test-image | |
| rbd rm goller-test-image | |
| echo xfs | |
| rbd create goller-test-image --size 800GB | |
| rbd map goller-test-image | |
| mkfs -t xfs -f /dev/rbd0 | |
| sleep 10 | |
| rbd du --exact goller-test-image | |
| rbd du goller-test-image | |
| mount /dev/rbd0 /mnt | |
| dd if=/dev/urandom of=/mnt/1g.bin bs=64M count=16 | |
| sleep 30 | |
| rbd du --exact goller-test-image | |
| rbd du goller-test-image | |
| rm /mnt/1g.bin | |
| sleep 30 | |
| rbd du --exact goller-test-image | |
| rbd du goller-test-image | |
| fstrim -v /mnt | |
| fstrim -v /mnt | |
| fstrim -v /mnt | |
| sleep 30 | |
| rbd du --exact goller-test-image | |
| rbd du goller-test-image | |
| umount /mnt | |
| rbd unmap goller-test-image | |
| rbd rm goller-test-image |
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