Not all LUNs turning into available disks

[DTR61]

2024-10-01
Windows server 2022, Synology RS822+ running DSM 7.2.1-69057 Update 4



iscsicli SessionList provided session ID
iscsicli reportluns ffff828e117ca010-4000013700000001
Microsoft iSCSI Initiator Version 10.0 Build 20348

ScsiStatus : 0x0
Response Buffer Size : 0x20
00 00 00 18 00 00 00 00 00 01 00 00 00 00 00 00 ................
00 02 00 00 00 00 00 00 00 03 00 00 00 00 00 00 ................
The operation completed successfully.

• 00 01 00 00 refers to LUN 1
• 00 02 00 00 refers to LUN 2
• 00 03 00 00 refers to LUN 3

3 connected, 2 disks showing

What can I do to troubleshoot the third LUN not producing a recognizable disk?