NSE finds root reason for Feb 24 technical glitch, takes steps to deal with difficulty


MUMBAI: The National Stock Exchange at present mentioned that it has already undertaken varied steps and sure different steps are underneath implementation to deal with the important thing points that led to the four-hour lengthy halt in its trading system on February 24.

NSE had beforehand said that its buying and selling system was halted on the day as a result of the instability of telecom links from two of its service suppliers affected the functioning of the danger administration system, which might have made it unacceptable to proceed buying and selling given the dangers concerned.

The alternate, after additional investigations, has discovered that the danger administration system was affected by the disruption within the telecom hyperlinks primarily due to “sudden behaviour of the Storage Space Community (SAN) system”.

The alternate mentioned that its SAN system is fault-tolerant and is designed to operate seamlessly even within the case of telecom failure between the first knowledge web site at Bandra Kurla Advanced and the close to catastrophe restoration web site at Kurla.

“Submit link-failure, the SAN system on the main knowledge centre stopped functioning, which was utterly sudden. Subsequent incident evaluation confirmed that the issue was attributable to failover logic applied by the seller, which didn’t conform to NSE’s said design necessities, coupled with points within the configuration carried out by the SAN vendor that triggered the failover logic,” the alternate mentioned.

NSE additional added that the precise failure logic utilized by the seller was not documented, and extra importantly, not communicated to the NSE. “The resultant SAN failure led to the incident on February 24,” the alternate mentioned.

“We had already positioned orders in January for 2 further telecom supplier hyperlinks and have eliminated the SAN software program that induced the incident. We’re additionally exploring alternate options to de-risk dependency of essential functions to a single storage gadget,” NSE mentioned.

The inventory alternate mentioned that on February 24, 97 per cent of the money trades and 87 per cent of the fairness derivatives on the BSE have been cleared by the NSE Clearing Company as brokers flocked to BSE to shut open positions.

Out of the BSE trades that have been cleared by NSE Clearing, 64 per cent of the common money market trades (excluding block offers) and 56 per cent of the fairness derivatives trades came about between 11:40 am and three:30 pm when buying and selling on the NSE was closed, the alternate mentioned.





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