| | 1 | = = |
| | 2 | |
| | 3 | == 1. Introduction == |
| | 4 | Because Kerrighed can merge all client RAM (like shared memory architecture). So we can use partial RAM to be fast disk. We use tmpfs to accomplish. |
| | 5 | |
| | 6 | == 2. Check our RAM size == |
| | 7 | {{{ |
| | 8 | $ top |
| | 9 | }}} |
| | 10 | |
| | 11 | == 2. Use RAM in Kerrighed == |
| | 12 | {{{ |
| | 13 | $ mount -t /dev/shm /home/ram -o size=7g |
| | 14 | $ dd if=/dev/zero of=/home/ram/tmp_3g.img bs=1m count=3000 |
| | 15 | $ dd if=/dev/zero of=/home/ram/tmp_3g.img2 bs=1m count=3000 |
| | 16 | }}} |
| | 17 | |
| | 18 | == 2. Check RAM status == |
| | 19 | {{{ |
| | 20 | $ df -h |
| | 21 | }}} |
| | 22 | |
| | 23 | {{{ |
| | 24 | $ mount |
| | 25 | }}} |
| | 26 | |
| | 27 | [[BR]] |
| | 28 | [[BR]] |
