snowflake-01 /dev/sdc failing

Subject: SMART error (Health) detected on host: snowflake-01
Date: Sun, 16 Nov 2025 09:37:29 +0000 (UTC)

This message was generated by the smartd daemon running on:

   host name:  snowflake-01
   DNS domain: torproject.net

The following warning/error was logged by the smartd daemon:

Device: /dev/sdc [SAT], FAILED SMART self-check. BACK UP DATA NOW!

Device info:
SuperMicro SSD, S/N:SMC0515D94119AAG3056, WWN:5-15d941-19a000056, FW:SOB20R, 15.8 GB

For details see host's SYSLOG.

You can also use the smartctl utility for further investigation.
Another message will be sent in 24 hours if the problem persists.

/dev/sdc is mirrored with /dev/sda providing /dev/md0, which is used for / and /boot:

root@snowflake-01:~# lsblk /dev/sdc
NAME      MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINTS
sdc         8:32   0  14.8G  0 disk
└─md0       9:0    0  14.7G  0 raid1
  ├─md0p1 259:0    0  13.8G  0 part  /
  └─md0p2 259:1    0 976.7M  0 part  /boot
root@snowflake-01:~# cat /proc/mdstat
Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10]
md0 : active raid1 sda[0] sdc[1]
      15457280 blocks super 1.2 [2/2] [UU]

md127 : active raid1 sdb[1] sdd[0]
      234298944 blocks super 1.2 [2/2] [UU]
      bitmap: 1/2 pages [4KB], 65536KB chunk

unused devices: <none>