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标题:
求助, SYS后台提供的安装系统, RAID1后怎么可用容量只有1/4
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作者:
太上皇
时间:
2021-12-17 16:56
标题:
求助, SYS后台提供的安装系统, RAID1后怎么可用容量只有1/4
用SYS后台直接安装的系统, 默认是Raid1
4x4T盘, 正常R1应该是8T可用, 为啥只有4T呢
求各位大佬指点
df -lh
# df -lh
Filesystem Size Used Avail Use% Mounted on
devtmpfs 16G 0 16G 0% /dev
tmpfs 16G 0 16G 0% /dev/shm
tmpfs 16G 9.8M 16G 1% /run
tmpfs 16G 0 16G 0% /sys/fs/cgroup
/dev/md2 3.7T 1.6G 3.7T 1% /
/dev/sdc1 511M 3.6M 508M 1% /boot/efi
tmpfs 3.2G 0 3.2G 0% /run/user/0
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mdadm --detail /dev/md2
# mdadm --detail /dev/md2
/dev/md2:
Version : 1.2
Creation Time : Fri Dec 17 07:23:40 2021
Raid Level : raid1
Array Size : 3905836032 (3.64 TiB 4.00 TB)
Used Dev Size : 3905836032 (3.64 TiB 4.00 TB)
Raid Devices : 4
Total Devices : 4
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Fri Dec 17 08:00:13 2021
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Consistency Policy : bitmap
Name : md2
UUID : e1578dbf:67dec8af:e90bbea2:5c506527
Events : 4
Number Major Minor RaidDevice State
0 8 34 0 active sync /dev/sdc2
1 8 50 1 active sync /dev/sdd2
2 8 2 2 active sync /dev/sda2
3 8 18 3 active sync /dev/sdb2
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fdisk -l
# fdisk -l
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Disk /dev/sdc: 4000.8 GB, 4000787030016 bytes, 7814037168 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 label type: gpt
Disk identifier: F0539E2C-A6FF-4A4A-B1CC-0709EEF5DD96
# Start End Size Type Name
1 2048 1048575 511M EFI System primary
2 1048576 7812982783 3.7T Linux RAID primary
3 7812982784 7814031359 512M Linux filesyste primary
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Disk /dev/sdb: 4000.8 GB, 4000787030016 bytes, 7814037168 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 label type: gpt
Disk identifier: 71A7094B-5131-4377-ADA8-F205B2A76077
# Start End Size Type Name
1 2048 1048575 511M EFI System primary
2 1048576 7812982783 3.7T Linux RAID primary
3 7812982784 7814031359 512M Linux filesyste primary
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Disk /dev/sdd: 4000.8 GB, 4000787030016 bytes, 7814037168 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 label type: gpt
Disk identifier: A19B1831-3CEA-4961-86E7-1A0E47B1EF8C
# Start End Size Type Name
1 2048 1048575 511M EFI System primary
2 1048576 7812982783 3.7T Linux RAID primary
3 7812982784 7814031359 512M Linux filesyste primary
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Disk /dev/sda: 4000.8 GB, 4000787030016 bytes, 7814037168 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 label type: gpt
Disk identifier: F6829130-26BB-4EE2-BB6A-B148297E9E21
# Start End Size Type Name
1 2048 1048575 511M EFI System primary
2 1048576 7812982783 3.7T Linux RAID primary
3 7812982784 7814031359 512M Linux filesyste primary
4 7814033072 7814037134 2M Linux filesyste logical
Disk /dev/md2: 3999.6 GB, 3999576096768 bytes, 7811672064 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
复制代码
作者:
木易酱
时间:
2021-12-17 16:56
你是4x4,不是8x2
作者:
pathc
时间:
2021-12-17 16:59
RAID1 就是这样,你想要的可能是RAID10或者RAID01
作者:
太上皇
时间:
2021-12-17 16:59
看样子要用r10了
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