There's a device missing from the pool, hence the current reported capacity:
Data Metadata System
Id Path RAID1 RAID1 RAID1 Unallocated
-- --------- --------- --------- -------- -----------
1 /dev/sds1 465.00GiB 2.00GiB 32.00MiB 464.48GiB
2 missing 61.00GiB 2.00GiB - -63.00GiB
3 /dev/sdr1 404.00GiB - 32.00MiB 527.48GiB
-- --------- --------- --------- -------- -----------
Total 465.00GiB 2.00GiB 32.00MiB 928.96GiB
This also shows some data corruption, and likely why the missing device failed to be removed:
Feb 2 04:54:48 Jarvis kernel: BTRFS info (device sds1): bdev /dev/sds1 errs: wr 0, rd 0, flush 0, corrupt 7, gen 0
Feb 2 04:54:48 Jarvis kernel: BTRFS info (device sds1): bdev /dev/sdr1 errs: wr 0, rd 0, flush 0, corrupt 5, gen 0
Start by running memtest to check your RAM, then best to backup what you can from the pool and recreate, a scrub will indicate which files are corrupt.