今天把很早之前的 cubieboard 翻了出来，打算做 nas 。缺点是网卡是100M的。
现在的tf安装的 linaro server 14.04 系统。
tf卡是：三星（SAMSUNG）16GB UHS-1 Class10 TF(Micro SD)存储卡（读速48Mb/s）升级版
http://item.jd.com/763749.html
tf 卡速度为：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | linaro@cubieboard:~$ sudo time dd if=/dev/zero bs=1024 count=1000000 of=/1Gb.file 1000000+0 records in 1000000+0 records out 1024000000 bytes (1.0 GB) copied, 106.254 s, 9.6 MB/s 0.83user 20.45system 1:46.26elapsed 20%CPU (0avgtext+0avgdata 640maxresident)k 8inputs+2000000outputs (1major+208minor)pagefaults 0swaps linaro@cubieboard:~$ time dd if=/1Gb.file bs=64k |dd of=/dev/null 15625+0 records in 15625+0 records out 1024000000 bytes (1.0 GB) copied, 66.1161 s, 15.5 MB/s 2000000+0 records in 2000000+0 records out 1024000000 bytes (1.0 GB) copied, 66.1271 s, 15.5 MB/s real 1m6.146s user 0m2.350s sys 0m17.540s |
找了一块古董100g硬盘来做测试。
1 2 3 4 5 6 7 8 9 10 11 12 | linaro@cubieboard:~$ sudo fdisk -l .... Disk /dev/sda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xe467e467 Device Boot Start End Blocks Id System .... |
fdisk 列出硬盘分区，硬盘的分区已经预先删干净了，下面新建一个主分区，并建立文件系统。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | linaro@cubieboard:~$ sudo fdisk /dev/sda Command (m for help): n Partition type: p primary (0 primary, 0 extended, 4 free) e extended Select (default p): p Partition number (1-4, default 1): Using default value 1 First sector (2048-312581807, default 2048): Using default value 2048 Last sector, +sectors or +size{K,M,G} (2048-312581807, default 312581807): +1G Command (m for help): n Partition type: p primary (1 primary, 0 extended, 3 free) e extended Select (default p): Using default response p Partition number (1-4, default 2): Using default value 2 First sector (2099200-312581807, default 2099200): Using default value 2099200 Last sector, +sectors or +size{K,M,G} (2099200-312581807, default 312581807): Using default value 312581807 Command (m for help): t Partition number (1-4): 1 Hex code (type L to list codes): 82 Changed system type of partition 1 to 82 (Linux swap / Solaris) Command (m for help): p Disk /dev/sda: 160.0 GB, 160041885696 bytes 81 heads, 63 sectors/track, 61254 cylinders, total 312581808 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xe467e467 Device Boot Start End Blocks Id System /dev/sda1 2048 2099199 1048576 82 Linux swap / Solaris /dev/sda2 2099200 312581807 155241304 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. linaro@cubieboard:~$ sudo mkswap /dev/sda1 Setting up swapspace version 1, size = 1048572 KiB no label, UUID=d1ba1e55-5eac-4226-9a2d-cda6eec6a84e linaro@cubieboard:~$ sudo mkfs.ext4 /dev/sda2 mke2fs 1.42.9 (4-Feb-2014) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 9773056 inodes, 39072470 blocks 1953623 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=0 1193 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872 Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done |
建立目录，挂载分区。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | linaro@cubieboard:~$ sudo mkdir /mnt/100g linaro@cubieboard:/mnt/100g$ cat /etc/fstab # UNCONFIGURED FSTAB FOR BASE SYSTEM tmpfs /tmp tmpfs size=20m 0 0 /dev/sda1 none swap defaults 0 0 /dev/sda2 /mnt/100g ext4 defaults,noatime 0 2 linaro@cubieboard:~$ sudo swapon /dev/sda1 linaro@cubieboard:~$ sudo mount -a linaro@cubieboard:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/root 7.3G 1.5G 5.6G 21% / devtmpfs 493M 4.0K 493M 1% /dev none 4.0K 0 4.0K 0% /sys/fs/cgroup tmpfs 20M 0 20M 0% /tmp none 99M 244K 99M 1% /run none 5.0M 0 5.0M 0% /run/lock none 493M 0 493M 0% /run/shm none 100M 0 100M 0% /run/user /dev/sda2 147G 188M 140G 1% /mnt/100g |
跑磁盘性能测试
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | linaro@cubieboard:/mnt/100g$ sudo time dd if=/dev/zero bs=1024 count=1000000 of=/mnt/100g/1Gb.file 1000000+0 records in 1000000+0 records out 1024000000 bytes (1.0 GB) copied, 52.1182 s, 19.6 MB/s 0.85user 20.33system 0:52.13elapsed 40%CPU (0avgtext+0avgdata 640maxresident)k 8inputs+2000056outputs (0major+217minor)pagefaults 0swaps linaro@cubieboard:/mnt/100g$ time dd if=/mnt/100g/1Gb.file bs=64k |dd of=/dev/null 15625+0 records in 15625+0 records out 1024000000 bytes (1.0 GB) copied, 39.456 s, 26.0 MB/s 2000000+0 records in 2000000+0 records out 1024000000 bytes (1.0 GB) copied, 39.469 s, 25.9 MB/s real 0m39.494s user 0m2.220s sys 0m20.660s linaro@cubieboard:/mnt/100g$ |
性能并不好，不过由于网卡只有100M，NAS 瓶颈并不在磁盘，而是在网络…
参考：
linux测试硬盘读写速度
http://5iwww.blog.51cto.com/856039/432290
cubieboard的sata评测
http://raspiweb.ch/post-56.htm