- $ df
- Filesystem 1K-blocks Used Available Use% Mounted on
- /dev/md1 76897248 19916608 53074392 28% /
- none 2019576 248 2019328 1% /dev
- none 2024560 0 2024560 0% /dev/shm
- none 2024560 320 2024240 1% /var/run
- none 2024560 0 2024560 0% /var/lock
- none 76897248 19916608 53074392 28% /lib/init/rw
- none 76897248 19916608 53074392 28% /var/lib/ureadahead/debugfs
- /dev/md0 76897248 19916608 53074392 28% /boot
- /dev/md2 1843548068 269005904 1480895320 16% /mnt/data
- none 76897248 19916608 53074392 28% /bin
- none 76897248 19916608 53074392 28% /boot
- none 76897248 19916608 53074392 28% /etc
- none 76897248 19916608 53074392 28% /initrd
- none 76897248 19916608 53074392 28% /lib
- none 76897248 19916608 53074392 28% /lib32
- $ sudo lsblk
- NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
- sda 8:0 0 1.8T 0 disk
- ├─sda1 8:1 0 487M 0 part
- │ └─md0 9:0 0 487M 0 raid1
- ├─sda2 8:2 0 1.9G 0 part [SWAP]
- ├─sda3 8:3 0 74.5G 0 part
- │ └─md1 9:1 0 74.5G 0 raid1 /
- └─sda4 8:4 0 1.8T 0 part
- └─md2 9:2 0 1.8T 0 raid1 /mnt/data
- sdb 8:16 0 1.8T 0 disk
- ├─sdb1 8:17 0 487M 0 part
- │ └─md0 9:0 0 487M 0 raid1
- ├─sdb2 8:18 0 1.9G 0 part [SWAP]
- ├─sdb3 8:19 0 74.5G 0 part
- │ └─md1 9:1 0 74.5G 0 raid1 /
- └─sdb4 8:20 0 1.8T 0 part
- └─md2 9:2 0 1.8T 0 raid1 /mnt/data
- sdc 8:32 0 232.9G 0 disk
- └─sdc1 8:33 0 232.9G 0 part
- $ sudo grub-probe -t fs -v /
- grub-probe: info: cannot open `/boot/grub/device.map'.
- grub-probe: info: Scanning for dmraid_nv RAID devices on disk hd0.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Scanning for dmraid_nv RAID devices on disk hd1.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for dmraid_nv RAID devices on disk hd2.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: scanning hd0 for LVM.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: scanning hd1 for LVM.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: scanning hd2 for LVM.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd0.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd1.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd2.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd0.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd1.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd2.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd0.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd0,gpt4.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Found array md2 (mdraid09).
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd0,gpt3.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Found array md1 (mdraid09).
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd0,gpt2.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd0,gpt1.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Found array md0 (mdraid09).
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd1.
- $ cat /proc/mdstat
- Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
- md2 : active raid1 sda4[0] sdb4[1]
- 1872936896 blocks [2/2] [UU]
- md0 : active raid1 sda1[0] sdb1[1]
- 498624 blocks [2/2] [UU]
- md1 : active raid1 sda3[0] sdb3[1]
- 78124992 blocks [2/2] [UU]
- unused devices: <none>
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd1,gpt4.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd1,gpt3.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd1,gpt2.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd1,gpt1.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd2.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: Scanning for mdraid09 RAID devices on disk hd2,msdos1.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk md0.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk md1.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk md2.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd0.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd0,gpt4.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd0,gpt3.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd0,gpt2.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd0,gpt1.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd1.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd1,gpt4.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd1,gpt3.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd1,gpt2.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd1,gpt1.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd2.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: Scanning for mdraid1x RAID devices on disk hd2,msdos1.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: scanning md0 for LVM.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning md1 for LVM.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning md2 for LVM.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning hd0 for LVM.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: scanning hd0,gpt4 for LVM.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning hd0,gpt3 for LVM.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning hd0,gpt2 for LVM.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning hd0,gpt1 for LVM.
- grub-probe: info: the size of hd0 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning hd1 for LVM.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: scanning hd1,gpt4 for LVM.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning hd1,gpt3 for LVM.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning hd1,gpt2 for LVM.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning hd1,gpt1 for LVM.
- grub-probe: info: the size of hd1 is 3907029168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: scanning hd2 for LVM.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: scanning hd2,msdos1 for LVM.
- grub-probe: info: the size of hd2 is 488397168.
- grub-probe: info: no LVM signature found.
- grub-probe: info: opening mduuid/8e23077aa106df7ef14eaaaa7901d52a.
- ext2
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