Zeus RAID6
btrfs RAID 6 w/8x3Tb WD Reds (as of 20231211)
BTRFS Scrub
btrfs scrubbing ensure rebuild doesn't result in data loss. Weekly might be too frequent?
sudo crontab -l 0 0 3 * * btrfs scrub status /Volumes/Zeus >> /Volumes/Zeus/scrubstatus/status.txt 0 0 1 * * btrfs scrub start /Volumes/Zeus >> /Volumes/Zeus/scrubstatus/status.txt # check the drive status at midnight. output anything that doesnt say online and spun up 0 0 * * * /usr/sbin/megacli -PDList -aALL |grep -i firmware\ state|grep -v ": Online, Spun Up$"
Status
megacli -PDList -a0|grep status -i
Failures
Alarm will sound from rhea in the server room. Solid red light will be on hard drive enclosure that is failing. Can hotswap: pull out bad bay and replace with new hard drive.
Date | Bay | model | sn | warranty? |
2017-07-21 | 5 | ?? | ?? | ?? |
2023-12-09 | 5 | WD30EFRX | WCC4N0AT1K2T | no: 28-Apr-2019 |
Rebuilt status /root/src/check_raid/watch_rebuild.pl
or
megacli -PDRbld -ShowProg -PhysDrv[252:5] -a0