I recently checked the output of my disk configuration and noticed that my sda and sdb drives look almost identical. I'm curious if this is normal or if there's something I should be concerned about. Here's the output of the `lsblk` command:
```
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 447.1G 0 disk
├─sda1 8:1 0 512M 0 part /boot/efi
├─sda2 8:2 0 2G 0 part
│ └─md0 9:0 0 2G 0 raid1 /boot
└─sda3 8:3 0 444.6G 0 part
└─md1 9:1 0 444.5G 0 raid1
├─rl-root 253:0 0 120G 0 lvm /
├─rl-home 253:1 0 2G 0 lvm
├─rl-swap 253:2 0 4G 0 lvm [SWAP]
├─rl-tmp 253:3 0 48G 0 lvm /tmp
├─rl-var 253:4 0 32G 0 lvm
├─rl-var_log 253:5 0 32G 0 lvm /var/log
└─rl-var_log_audit 253:6 0 12G 0 lvm /var/log/audit
└─rl-var_tmp 253:7 0 12G 0 lvm /var/tmp
sdb 8:16 0 447.1G 0 disk
├─sdb1 8:17 0 512M 0 part
├─sdb2 8:18 0 2G 0 part
│ └─md0 9:0 0 2G 0 raid1 /boot
└─sdb3 8:19 0 444.6G 0 part
└─md1 9:1 0 444.5G 0 raid1
├─rl-root 253:0 0 120G 0 lvm /
├─rl-home 253:1 0 2G 0 lvm
├─rl-swap 253:2 0 4G 0 lvm [SWAP]
├─rl-tmp 253:3 0 48G 0 lvm /tmp
├─rl-var 253:4 0 32G 0 lvm
├─rl-var_log 253:5 0 32G 0 lvm /var/log
└─rl-var_log_audit 253:6 0 12G 0 lvm /var/log/audit
sdc 8:32 0 160.1T 0 disk /data
nvme1n1 259:0 0 7T 0 disk
└─nvme1n1p1 259:1 0 7T 0 part
└─md10 9:10 0 7T 0 raid1 /mdata
nvme0n1 259:2 0 7T 0 disk
└─nvme0n1p1 259:3 0 7T 0 part
└─md10 9:10 0 7T 0 raid1 /mdata
```
Does this configuration look standard, or should I be keeping an eye on anything?
2 Answers
What you’re seeing is typical if you've set up a RAID1 configuration, which mirrors the data on both drives. This means they will look nearly identical because they contain two copies of the same information. So, yes, everything seems normal!
Your setup is pretty fascinating! It looks like both drives are part of an MDRAID mirror. You have your boot partitions and the rest of your setup designed to keep everything in sync. Since someone else set this up, I suggest leaving it as is if you don't fully understand the setup, especially since it’s working well. Just be cautious about the hardware - without proper RAID on your sdc drive, you could lose data if it fails.
Thanks for the insight! I didn't set this up, and we're lacking documentation. I’ll make sure to dig deeper into this.