SSD remains but rest of fusion drive missing

The SSD is full and the 1TB Fusion Drive is nowhere to be found. Somehow in reinstalling Ventura the "link" between the two parts of the drive was broken. See below:

EtreCheckPro version: 6.8.9 (68074)

Report generated: 2025-03-31 12:28:18

Download EtreCheckPro from https://etrecheck.com

Runtime: 2:50

Performance: Excellent

Problem: Storage problems

Major Issues:

    Anything that appears on this list needs immediate attention. 

    Low disk space - This computer is running critically low on free hard drive space.

Minor Issues:

    These issues do not need immediate attention but they may indicate future problems or opportunities for improvement. 

    Vintage hardware - This computer may be considered vintage.

    Limited permissions - More information may be available with Full Disk Access.

Hardware Information:

    iMac (Retina 4K, 21.5-inch, 2017)

        Status: Vintage

    iMac Model: iMac18,2

    3.4 GHz Quad-Core Intel Core i5 (i5-7500) CPU: 4-core

    8 GB RAM - Upgradeable by an Apple Authorized Service Provider

        BANK 0/DIMM0 - 4 GB DDR4 SO-DIMM 2400 

        BANK 1/DIMM0 - 4 GB DDR4 SO-DIMM 2400 

Video Information:

    Radeon Pro 560 - VRAM: 4 GB

        iMac (built-in) 3360 x 1890

Drives:

    disk0 - APPLE HDD HTS541010A9E632 1.00 TB (Mechanical - 5400 RPM)

    Internal SATA 3 Gigabit Serial ATA

        disk0s1 - EFI (MS-DOS FAT32) [EFI] 210 MB

        disk0s2 [APFS Container] 1000.00 GB

    disk1 - APPLE SSD SM0032L 28.00 GB (Solid State - TRIM: Yes)

    Internal PCI-Express 8.0 GT/s x2 NVM Express

    S.M.A.R.T. Details: 1% used, 14.24 TB written, 100% health, 185 unsafe shutdowns

        disk1s1 - EFI [EFI] 315 MB

        disk1s2 [APFS Container] 27.69 GB

            disk2 [APFS Virtual drive] 27.69 GB (Shared by 6 volumes)

                disk2s1 - Macintosh HD - Data (APFS) [APFS Virtual drive] (8.69 GB used)

                disk2s2 - Preboot (APFS) [APFS Preboot] (2.11 GB used)

                disk2s3 - Recovery (APFS) [Recovery] (1.15 GB used)

                disk2s4 (APFS) [APFS Container] (9.35 GB used)

                    disk2s4s1 - Macintosh HD (APFS) [APFS Snapshot] (9.35 GB used)

                disk2s5 - Update (APFS) (479 KB used)

                disk2s6 - VM (APFS) [APFS VM] (1.07 GB used)