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CONTAP-795463: ONTAP Select upgrade to 9.19.1 and above fails with no root volume found

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Issue

During ONTAP 9.19.1x upgrade for ONTAP Select, the upgraded system enters into a boot loop reporting no root volume found. The console log reports RAID Label write errors followed by diskHasWrongInfo errors.
 
 
PANIC: No root volume found. in SK process rc on release 9.19.1P2 (C) on Tue Sep 15 18:28:16 GMT 2026

Sep 15 18:28:16 [ots-cluster-01:raid.label.io.writeError:notice]: Label write on Disk /aggr0_ots_cluster_01/plex2/rg0/0d.9 S/N [0VW000YUEcXHEzhK4NB2] UID [0VW000YUEcXHEzhK4NB2] failed with storage error Label read after label write did not match.. The system will stop using the disk for I/O operations.
Sep 15 18:58:44 [ots-cluster-01:diskown.diskHasWrongInfo:error]: Disk 0b.10 (S/N 0VW000/sTdkJtXv6ndZ5) has ownership information for disk 02084000:09787A9C:14E62EC6:CE990500:00000000:00000000:00000000:00000000:00000000:00000000 (S/N ?) on it.
Sep 15 18:58:44 [ots-cluster-01:diskown.diskHasWrongInfo:error]: Disk 0b.10 (S/N 0VW000/sTdkJtXv6ndZ5) has ownership information for disk 02084000:09787A9C:14E62EC6:CE990500:00000000:00000000:00000000:00000000:00000000:00000000 (S/N ?) on it.
 
The disk ownership information from maintenance mode will reports as 'Not owned':
*> disk show -v
Local System ID: 2467434567
DISK         OWNER                     POOL   SERIAL NUMBER                     HOME                     DR HOME                CHKSUM
---------    -------------             -----  -------------                     -------------            -------------          --------
0b.10        Not Owned                  NONE   0VW000/sTdkJtXv6ndZ5 Zoned
0b.9         Not Owned                  NONE   0VW000/s7g8RNWEfI9R4 Zoned
0b.8         Not Owned                  NONE   0VW000/s6houaEqLx9B3 Zoned
0b.7         Not Owned                  NONE   0VW000/sX2E6SsN-yd02 Zoned
 

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