Created
March 27, 2013 21:12
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root@server:~# for i in {1..8} ; do dd if=/dev/zero of=disk$i bs=8M count=1 ; do ne | |
1+0 записей считано | |
1+0 записей написано | |
скопировано 8388608 байт (8,4 MB), 0,030612 c, 274 MB/c | |
1+0 записей считано | |
1+0 записей написано | |
скопировано 8388608 байт (8,4 MB), 0,043387 c, 193 MB/c | |
1+0 записей считано | |
1+0 записей написано | |
скопировано 8388608 байт (8,4 MB), 0,0478381 c, 175 MB/c | |
1+0 записей считано | |
1+0 записей написано | |
скопировано 8388608 байт (8,4 MB), 0,0431286 c, 195 MB/c | |
1+0 записей считано | |
1+0 записей написано | |
скопировано 8388608 байт (8,4 MB), 0,0492595 c, 170 MB/c | |
1+0 записей считано | |
1+0 записей написано | |
скопировано 8388608 байт (8,4 MB), 0,0444393 c, 189 MB/c | |
1+0 записей считано | |
1+0 записей написано | |
скопировано 8388608 байт (8,4 MB), 0,0432669 c, 194 MB/c | |
1+0 записей считано | |
1+0 записей написано | |
скопировано 8388608 байт (8,4 MB), 0,052562 c, 160 MB/c | |
root@server:~# for i in {1..8} ; do losetup /dev/loop$[i-1] disk$i ; done | |
root@server:~# mdadm --create /dev/md99 -n 8 -l 1 /dev/loop[0-7] | |
mdadm: Note: this array has metadata at the start and | |
may not be suitable as a boot device. If you plan to | |
store '/boot' on this device please ensure that | |
your boot-loader understands md/v1.x metadata, or use | |
--metadata=0.90 | |
Continue creating array? y | |
mdadm: Defaulting to version 1.2 metadata | |
mdadm: array /dev/md99 started. | |
root@server:~# cat /proc/mdstat | |
Personalities : [raid1] | |
md99 : active (auto-read-only) raid1 loop7[7] loop6[6] loop5[5] loop4[4] loop3[3] loop2[2] loop1[1] loop0[0] | |
8180 blocks super 1.2 [8/8] [UUUUUUUU] | |
resync=PENDING | |
md1 : active raid1 sda2[0] sdc2[1] | |
480572280 blocks super 1.2 [2/2] [UU] | |
md0 : active (auto-read-only) raid1 sda1[0] sdc1[1] | |
7810036 blocks super 1.2 [2/2] [UU] | |
unused devices: <none> | |
root@server:~# mkfs.ext3 /dev/md99 | |
mke2fs 1.41.12 (17-May-2010) | |
Filesystem label= | |
OS type: Linux | |
Block size=1024 (log=0) | |
Fragment size=1024 (log=0) | |
Stride=0 blocks, Stripe width=0 blocks | |
2048 inodes, 8180 blocks | |
409 blocks (5.00%) reserved for the super user | |
First data block=1 | |
Maximum filesystem blocks=8388608 | |
1 block group | |
8192 blocks per group, 8192 fragments per group | |
2048 inodes per group | |
Writing inode tables: done | |
Creating journal (1024 blocks): done | |
Writing superblocks and filesystem accounting information: done | |
This filesystem will be automatically checked every 22 mounts or | |
180 days, whichever comes first. Use tune2fs -c or -i to override. | |
root@server:~# mo^C | |
root@server:~# ls /mnt | |
cramfs fw nfs | |
root@server:~# mkdir /mnt/md99 | |
root@server:~# mount /dev/md99 /mnt/md99 | |
root@server:~# df -h | |
Файловая система Разм Исп Дост Исп% смонтирована на | |
/dev/md1 452G 170G 260G 40% / | |
tmpfs 981M 0 981M 0% /lib/init/rw | |
udev 977M 180K 976M 1% /dev | |
tmpfs 981M 0 981M 0% /dev/shm | |
/dev/sdb 917G 68G 804G 8% /video | |
/dev/md99 7,8M 1,1M 6,3M 15% /mnt/md99 |
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