| disk1 | disk2 | disk3 | disk4 | raid | purpose |
+-------+-------+-------+-------+--------+----------------+
| sda1 | sdb1 | sdc1 | sdd1 | md0 | /boot |
| sda2 | sdb2 | sdc2 | sdd2 | md1 | / |
| sda3 | sdb3 | sdc3 | sdd3 | unused | unused |
| sda4 | sdb4 | sdc4 | sdd4 | unused | unused |
| sda5 | sdb5 | sdc5 | sdd5 | md10 | swap |
| sda6 | sdb6 | sdc6 | sdd6 | mdx | nas user space |
+-------+-------+-------+-------+--------+----------------+
http://ozh.github.io/ascii-tables/
root@ls-qvl:/etc# cat /proc/partitions
major minor #blocks name
31 0 512 mtdblock0
8 16 488386584 sdb
8 17 1000448 sdb1
8 18 5000192 sdb2
8 19 1024 sdb3
8 20 1024 sdb4
8 21 1000448 sdb5
8 22 473468928 sdb6
8 0 31266648 sda
8 1 1000448 sda1
8 2 5000192 sda2
8 3 1024 sda3
8 4 1024 sda4
8 5 1000448 sda5
8 6 14485504 sda6
8 48 244198584 sdd
8 49 1000448 sdd1
8 50 5000192 sdd2
8 51 1024 sdd3
8 52 1024 sdd4
8 53 1000448 sdd5
8 54 229328896 sdd6
8 32 244198584 sdc
8 33 1000448 sdc1
8 34 5000192 sdc2
8 35 1024 sdc3
8 36 1024 sdc4
8 37 1000448 sdc5
8 38 229328896 sdc6
9 0 1000384 md0
9 10 1000436 md10
9 1 4999156 md1
9 22 473467768 md22
9 21 14484408 md21
9 2 229327736 md2
root@ls-qvl:/etc# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid6] [raid5] [raid4]
md2 : active raid1 sdc6[0] sdd6[1]
229327736 blocks super 1.2 [2/2] [UU]
--> raid nas user space
md21 : active raid1 sda6[0]
14484408 blocks super 1.2 [2/1] [U_]
--> use raid1 but one drive as normal mode nas user space
md22 : active raid1 sdb6[0]
473467768 blocks super 1.2 [2/1] [U_]
--> use raid1 but one drive as normal mode nas user space
md1 : active raid1 sda2[7] sdb2[6] sdc2[5] sdd2[4]
4999156 blocks super 1.2 [4/4] [UUUU]
--> /
md10 : active raid1 sda5[7] sdb5[6] sdc5[5] sdd5[4]
1000436 blocks super 1.2 [4/4] [UUUU]
--> swap
md0 : active raid1 sda1[0] sdb1[3] sdc1[2] sdd1[1]
1000384 blocks [4/4] [UUUU]
--> /boot
unused devices:
root@ls-qvl:/usr/local/bin# parted /dev/sda
GNU Parted 2.3
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print
Model: SSD32S l @ P>$ = (scsi)
Disk /dev/sda: 32.0GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start End Size File system Name Flags
1 1049kB 1026MB 1024MB ext3 primary --> /boot [ext3]
2 1026MB 6146MB 5120MB primary --> / [ext3]
3 6146MB 6147MB 1049kB primary --> unused
4 6147MB 6148MB 1049kB primary --> unused
5 6148MB 7172MB 1024MB primary --> swap [swap]
6 7172MB 22.0GB 14.8GB primary --> user_spaces [xfs]
root@ls-qvl:/usr/local/bin# mount
rootfs on / type rootfs (rw)
/dev/root on / type ext3 (rw,relatime,errors=continue,barrier=0,data=writeback)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
udev on /dev type tmpfs (rw,nosuid,relatime,size=10240k,mode=755)
devpts on /dev/pts type devpts (rw,relatime,gid=4,mode=620)
/dev/ram1 on /mnt/ram type tmpfs (rw,relatime,size=15360k)
/dev/md0 on /boot type ext3 (rw,relatime,errors=continue,barrier=1,data=writeback)
usbfs on /proc/bus/usb type usbfs (rw,relatime)
/dev/md2 on /mnt/array1 type xfs (rw,noatime,attr2,usrquota,grpquota)
/dev/md21 on /mnt/disk1 type xfs (rw,noatime,attr2,usrquota,grpquota)
/dev/md22 on /mnt/disk2 type xfs (rw,noatime,attr2,usrquota,grpquota)
root@ls-qvl:/usr/local/bin# ls -al /dev/root
lrwxrwxrwx 1 root root 3 May 15 04:27 /dev/root -> md1
root@ls-qvl:/# blkid
/dev/sdb1: UUID="ae515ae8-a75a-5c1a-7611-9a37b19c2cdb" TYPE="mdraid"
/dev/sdb5: TYPE="swap"
/dev/sdc1: UUID="ae515ae8-a75a-5c1a-7611-9a37b19c2cdb" TYPE="mdraid"
/dev/sdc5: TYPE="swap"
/dev/sda1: UUID="ae515ae8-a75a-5c1a-7611-9a37b19c2cdb" TYPE="mdraid"
/dev/sda5: TYPE="swap"
/dev/md0: UUID="89f47586-b419-4ba5-af45-680c13d03442" TYPE="ext3"
/dev/md10: TYPE="swap"
/dev/md1: UUID="a068025a-a07d-4901-8a67-e702c0ae7427" TYPE="ext3"
/dev/md21: UUID="dc3a01d0-38d0-4ac7-94c8-6cd19d4b3909" TYPE="xfs"
/dev/md2: UUID="2b0d1f94-b8b1-40ab-bb4a-a0a638d70b3f" TYPE="xfs"
/dev/sdd1: UUID="ae515ae8-a75a-5c1a-7611-9a37b19c2cdb" TYPE="mdraid"
/dev/sdd5: TYPE="swap"
/dev/md22: UUID="50bde03e-5983-4ddf-a97f-74b70c7aadd4" TYPE="xfs"
root@ls-qvl:/# mdadm --detail /dev/md0
/dev/md0:
Version : 0.90
Creation Time : Fri Dec 31 23:49:39 1999
Raid Level : raid1
Array Size : 1000384 (977.10 MiB 1024.39 MB)
Used Dev Size : 1000384 (977.10 MiB 1024.39 MB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Thu May 14 20:27:40 2015
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
UUID : e85a51ae:1a5c5aa7:379a1176:db2c9cb1
Events : 0.546
Number Major Minor RaidDevice State
0 8 1 0 active sync /dev/sda1
1 8 49 1 active sync /dev/sdd1
2 8 33 2 active sync /dev/sdc1
3 8 17 3 active sync /dev/sdb1
root@ls-qvl:/# smartctl -A -i -d marvell /dev/sda
smartctl version 5.37 [arm-none-linux-gnueabi] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/
=== START OF INFORMATION SECTION ===
Device Model: SSD32S
Serial Number: 2013013000000016
Firmware Version: 120202
User Capacity: 32,017,047,552 bytes
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: 8
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Fri May 15 16:48:10 2015 CST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000b 100 100 050 Pre-fail Always - 16777215
2 Throughput_Performance 0x0005 100 100 050 Pre-fail Offline - 0
3 Spin_Up_Time 0x0007 100 100 050 Pre-fail Always - 0
5 Reallocated_Sector_Ct 0x0013 100 100 050 Pre-fail Always - 0
7 Seek_Error_Rate 0x000b 100 100 050 Pre-fail Always - 0
8 Seek_Time_Performance 0x0005 100 100 050 Pre-fail Offline - 0
9 Power_On_Hours 0x0012 100 100 000 Old_age Always - 2160
10 Spin_Retry_Count 0x0013 100 100 050 Pre-fail Always - 0
12 Power_Cycle_Count 0x0012 100 100 000 Old_age Always - 169
168 Unknown_Attribute 0x0012 100 100 000 Old_age Always - 0
175 Unknown_Attribute 0x0003 100 100 010 Pre-fail Always - 0
192 Power-Off_Retract_Count 0x0012 100 100 000 Old_age Always - 0
194 Temperature_Celsius 0x0022 040 100 000 Old_age Always - 40 (Lifetime Min/Max 30/60)
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0
240 Head_Flying_Hours 0x0013 100 100 050 Pre-fail Always - 0
170 Unknown_Attribute 0x0003 100 100 010 Pre-fail Always - 262144
173 Unknown_Attribute 0x0012 100 100 000 Old_age Always - 38339072
root@ls-qvl:/# df -h
Filesystem Size Used Available Use% Mounted on
/dev/md1 4.7G 861.0M 3.6G 19% /
udev 10.0M 192.0k 9.8M 2% /dev
/dev/ram1 15.0M 140.0k 14.9M 1% /mnt/ram
/dev/md0 969.2M 29.4M 939.8M 3% /boot
/dev/md2 218.6G 128.7G 89.9G 59% /mnt/array1
/dev/md21 13.8G 33.1M 13.8G 0% /mnt/disk1
/dev/md22 451.3G 117.2G 334.1G 26% /mnt/disk2
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