False-positive spares low message during DQP file update
Applies to
- ONTAP 9
 - Dynamic Drive Recognition (DDR)
 
Issue
- During DQP file update, ONTAP triggers "
spares low" AutoSupport message. - The EMS log shows the disks being DDR scanned aren't detected correctly and are newly "
raid.disk.inserted" infomation after the DDR scan. 
[?] Thu Apr 21 15:54:48 +0900 [node-1: dmgr_thread: raid.disk.inserted:info]: Disk 2d.13.11 Shelf 13 Bay 11 [NETAPP   X336_TTCRE04TA07 NA04] S/N [31N0A0B4F9XC] UID [5000039A:C859DC2C:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000] has been inserted into the system
[?] Thu Apr 21 15:54:48 +0900 [node-1: raidio_thread: raid_spares_media_scrub_suspend_1:notice]: params: {'model': 'X336_TTCRE04TA07', 'vendor': 'NETAPP  ', 'disk_rpm': '7200', 'firmware_revision': 'NA04', 'shelf': '1', 'disk_info': 'Disk 0a.01.11 Shelf 1 Bay 11 [NETAPP   X336_TTCRE04TA07 NA04] S/N [XXXXXXXXXXXX] UID [XXXXXXXX:XXXXXXXX:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000]', 'site': 'Local', 'bay': '11', 'carrier': '', 'serialno': 'XXXXXXXXXXXX', 'owner': '', 'percentage': '68', 'disk_type': '8', 'blockNum': '659674624'}
[?] Thu Apr 21 15:54:48 +0900 [node-1: raidio_thread: raid_spares_media_scrub_suspend_1:notice]: params: {'model': 'X336_TTCRE04TA07', 'vendor': 'NETAPP  ', 'disk_rpm': '7200', 'firmware_revision': 'NA04', 'shelf': '3', 'disk_info': 'Disk 2b.03.10 Shelf 3 Bay 10 [NETAPP   X336_TTCRE04TA07 NA04] S/N [XXXXXXXXXXXX] UID [XXXXXXXX:XXXXXXXX:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000]', 'site': 'Local', 'bay': '10', 'carrier': '', 'serialno': 'XXXXXXXXXXXX', 'owner': '', 'percentage': '68', 'disk_type': '8', 'blockNum': '659564288'}
[?] Thu Apr 21 15:54:48 +0900 [node-1: raidio_thread: raid_spares_media_scrub_suspend_1:notice]: params: {'model': 'X336_TTCRE04TA07', 'vendor': 'NETAPP  ', 'disk_rpm': '7200', 'firmware_revision': 'NA04', 'shelf': '3', 'disk_info': 'Disk 2b.03.11 Shelf 3 Bay 11 [NETAPP   X336_TTCRE04TA07 NA04] S/N [XXXXXXXXXXXX] UID [XXXXXXXX:XXXXXXXX:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000]', 'site': 'Local', 'bay': '11', 'carrier': '', 'serialno': 'XXXXXXXXXXXX', 'owner': '', 'percentage': '68', 'disk_type': '8', 'blockNum': '659569152'}
[?] Thu Apr 21 15:54:49 +0900 [node-1: bg_disk_ddr_scanner_admin: disk.ddr.scan.summary:debug]: DDR Scan has completed. (132 label reads, 36 label writes, 0 unreadable, 0 unqual, 0 cb qual, 0 label qual, 72 dqp update, 36 label match, 0 reset match, 0 mis-sized, 72 reset, 0 skipped - 133 preempts )
[?] Thu Apr 21 15:54:49 +0900 [node-1: dmgr_thread: raid.disk.inserted:info]: Disk 0a.01.10 Shelf 1 Bay 10 [NETAPP   X336_TTCRE04TA07 NA04] S/N [XXXXXXXXXXXX] UID [XXXXXXXX:XXXXXXXX:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000] has been inserted into the system
[?] Thu Apr 21 15:54:50 +0900 [node-1: dmgr_thread: raid.disk.inserted:info]: Disk 0a.01.11 Shelf 1 Bay 11 [NETAPP   X336_TTCRE04TA07 NA04] S/N [XXXXXXXXXXXX] UID [XXXXXXXX:XXXXXXXX:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000] has been inserted into the system
[?] Thu Apr 21 15:54:50 +0900 [node-1: dmgr_thread: raid.disk.inserted:info]: Disk 2b.02.10 Shelf 2 Bay 10 [NETAPP   X336_TTCRE04TA07 NA04] S/N [XXXXXXXXXXXX] UID [XXXXXXXX:XXXXXXXX:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000] has been inserted into the system
[?] Thu Apr 21 15:54:50 +0900 [node-1: dmgr_thread: raid.disk.inserted:info]: Disk 2b.02.11 Shelf 2 Bay 11 [NETAPP   X336_TTCRE04TA07 NA04] S/N [XXXXXXXXXXXX] UID [XXXXXXXX:XXXXXXXX:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000] has been inserted into the system
[?] Thu Apr 21 15:54:50 +0900 [node-1: dmgr_thread: raid.disk.inserted:info]: Disk 2b.03.10 Shelf 3 Bay 10 [NETAPP   X336_TTCRE04TA07 NA04] S/N [XXXXXXXXXXXX] UID [XXXXXXXX:XXXXXXXX:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000] has been inserted into the system
[?] Thu Apr 21 15:54:50 +0900 [node-1: dmgr_thread: raid.disk.inserted:info]: Disk 2b.03.11 Shelf 3 Bay 11 [NETAPP   X336_TTCRE04TA07 NA04] S/N [XXXXXXXXXXXX] UID [5000039A:C8594978:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000] has been inserted into the system
[?] Thu Apr 21 15:54:50 +0900 [node-1: config_thread: raid.rg.spares.low:error]: /dk0000_vp3nas15_aggr1/plex0/rg0
[?] Thu Apr 21 15:54:50 +0900 [node-1: config_thread: raid.rg.spares.low:error]: /dk0000_vp3nas15_aggr1/plex0/rg1
[?] Thu Apr 21 15:54:50 +0900 [node-1: config_thread: raid.rg.spares.low:error]: /dk0000_vp3nas15_aggr0/plex0/rg0
[?] Thu Apr 21 15:54:50 +0900 [node-1: config_thread: callhome.spares.low:error]: Call home for SPARES_LOW
- The output of "
sysconfig -r" confirms that there are sufficient spare disks. 
Pool0 spare disks
RAID Disk Device   HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
--------- ------   ------------- ---- ---- ---- ----- --------------    --------------
Spare disks for block checksum
spare    0a.00.10 0a    0   10  SA:A   0   SSD   N/A 915465/1874872832 915715/1875385008 (fast zeroed)
spare    0a.00.11 0a    0   11  SA:A   0   SSD   N/A 915465/1874872832 915715/1875385008 (fast zeroed)
spare    0a.01.10 0a    1   10  SA:A   0  FSAS  7200 3807816/7798408704 3815447/7814037168 (fast zeroed)
spare    0a.01.11 0a    1   11  SA:A   0  FSAS  7200 3807816/7798408704 3815447/7814037168 (fast zeroed)
spare    2b.02.10 2b    2   10  SA:B   0  FSAS  7200 3807816/7798408704 3815447/7814037168 (fast zeroed)
spare    2b.02.11 2b    2   11  SA:B   0  FSAS  7200 3807816/7798408704 3815447/7814037168 (fast zeroed)
spare    2b.03.10 2b    3   10  SA:B   0  FSAS  7200 3807816/7798408704 3815447/7814037168 (fast zeroed)
spare    2b.03.11 2b    3   11  SA:B   0  FSAS  7200 3807816/7798408704 3815447/7814037168 (fast zeroed)
