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Adding disks in System Manager new experience may have unwanted results

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75
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Votes:
1
Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

  • ONTAP 9
  • OnCommand System Manager (New Experience)

Issue

After a new shelf addition, aggregate capacity was increased via System Manager. When this was done, all drives were added to the aggregate resulting in mixed partition state across raid groups:
 
 
BEFORE aggregate addition:
 
RAID group /aggr1/plex0/rg3 (normal, block checksums)
RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks)
--------- ------ ------------- ---- ---- ---- ----- -------------- --------------
dparity 7a.10.21P1 7a 10 21 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
parity 9a.00.15P1 9a 0 15 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 3d.10.22P1 3d 10 22 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 7d.00.16P1 7d 0 16 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 7a.10.23P1 7a 10 23 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 9a.00.17P1 9a 0 17 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 7d.00.18P1 7d 0 18 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 9a.00.19P1 9a 0 19 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 7d.00.20P1 7d 0 20 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 9a.00.21P1 9a 0 21 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 7d.00.22P1 7d 0 22 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
 
 
 
AFTER aggregate addition:
 
RAID group /aggr1/plex0/rg3 (normal, block checksums)
RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks)
--------- ------ ------------- ---- ---- ---- ----- -------------- --------------
dparity 7a.10.21P1 7a 10 21 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
parity 9a.00.15P1 9a 0 15 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 3d.10.22P1 3d 10 22 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 7d.00.16P1 7d 0 16 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 7a.10.23P1 7a 10 23 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 9a.00.17P1 9a 0 17 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 7d.00.18P1 7d 0 18 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 9a.00.19P1 9a 0 19 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 7d.00.20P1 7d 0 20 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 9a.00.21P1 9a 0 21 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 7d.00.22P1 7d 0 22 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 9a.00.23P1 9a 0 23 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064 (fast zeroed)
data 9c.40.12P1 9c 40 12 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 3b.40.13P1 3b 40 13 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 9c.40.14P1 9c 40 14 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 3b.40.15P1 3b 40 15 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 9c.40.16P1 9c 40 16 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 3b.40.17P1 3b 40 17 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 9c.40.18P1 9c 40 18 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 3b.40.19P1 3b 40 19 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 9c.40.20P1 9c 40 20 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 3b.40.21P1 3b 40 21 SA:B 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 9c.40.22P1 9c 40 22 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064
data 9c.40.0P1 9c 40 0 SA:A 0 SSD N/A 1800691/3687815680 1800699/3687832064
 
RAID group /aggr1/plex0/rg4 (normal, block checksums)
 
RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks)
--------- ------ ------------- ---- ---- ---- ----- -------------- --------------
dparity 3b.40.1 3b 40 1 SA:B 0 SSD N/A 3662580/7500964352 3662830/7501476528
parity 9c.40.2 9c 40 2 SA:A 0 SSD N/A 3662580/7500964352 3662830/7501476528
data 3b.40.3 3b 40 3 SA:B 0 SSD N/A 3662580/7500964352 3662830/7501476528
data 9c.40.4 9c 40 4 SA:A 0 SSD N/A 3662580/7500964352 3662830/7501476528
data 3b.40.5 3b 40 5 SA:B 0 SSD N/A 3662580/7500964352 3662830/7501476528
data 9c.40.6 9c 40 6 SA:A 0 SSD N/A 3662580/7500964352 3662830/7501476528
data 3b.40.7 3b 40 7 SA:B 0 SSD N/A 3662580/7500964352 3662830/7501476528
data 9c.40.8 9c 40 8 SA:A 0 SSD N/A 3662580/7500964352 3662830/7501476528
data 3b.40.9 3b 40 9 SA:B 0 SSD N/A 3662580/7500964352 3662830/7501476528

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