Unable to connect to Storage Account leading to high disk latency in CVO
Applies to
- Cloud Volumes ONTAP
- Microsoft Azure
- Azure Storage Account
Issue
- High latency observed for the volumes coming from "disk IO"
- Statit output shows few disks as 100% utilized.
disk ut% xfers ureads--chain-usecs writes--chain-usecs cpreads-chain-usecs greads--chain-usecs gwrites-chain-usecs
/aggr0_ss68cvhanas01_01/plex0/rg0:
0d.8 51 43.39 8.92 4.37 102167 28.34 13.43 31560 6.12 1.23 361549 0.00 .... . 0.00 .... .
/aggr1/plex0/rg0:
0d.22 89 99.57 40.64 3.95 104857 46.88 16.17 25733 12.06 1.29 343941 0.00 .... . 0.00 .... . <-- Belongs to same storage account
0d.15 73 60.83 24.04 3.20 129439 28.65 7.92 62615 8.14 1.34 334300 0.00 .... . 0.00 .... .
0d.23 81 74.38 31.45 3.18 130273 33.63 9.61 50344 9.29 1.17 395026 0.00 .... . 0.00 .... .
0d.21 94 113.33 44.77 3.17 130084 54.57 11.02 37182 14.00 1.23 357531 0.00 .... . 0.00 .... .
0d.2 3 113.43 46.56 3.26 1306 52.79 11.38 462 14.07 1.32 4290 0.00 .... . 0.00 .... .
0d.9 3 109.59 43.17 3.27 1375 52.70 11.83 420 13.72 1.36 4272 0.00 .... . 0.00 .... .
0d.13 3 113.08 45.73 3.44 1294 53.46 11.84 436 13.89 1.35 4276 0.00 .... . 0.00 .... .
0d.6 3 109.93 42.24 3.25 1378 53.37 11.80 448 14.31 1.14 5074 0.00 .... . 0.00 .... .
0d.14 3 113.49 50.03 3.20 1305 50.65 16.06 337 12.81 1.53 3572 0.00 .... . 0.00 .... .
0d.19 3 106.89 48.15 3.57 1254 46.97 17.92 313 11.77 1.52 3682 0.00 .... . 0.00 .... .
0d.0 3 106.33 51.42 3.59 991 43.91 20.42 263 11.00 1.63 2970 0.00 .... . 0.00 .... .