GPFS – Rejected I/O

GPFS node rejects – watching the waiters

Posted on 2014/08/292015/03/03 by nullgenome

Update! So we believe our rejects have been resolved. Colleagues led the investigation which basically consisted of watching the waiters on the storage cluster side, noting which client was listed in ... Read More

Monitoring Interface errors – Linux & Zabbix

Posted on 2014/08/012014/08/01 by nullgenome

Initially I created a simple script that took the stats from netstat -i every minute and manipulated them so that it left a file per interface per error counter with two figures: the total number of e... Read More

GPFS node rejects

Posted on 2014/07/24 by nullgenome

Recently our new(ish) GPFS cluster has been used more and more by people at work. We’ve seen network throughput of up to 200Gb/s across our storage nodes which is seriously impressive. I’m... Read More

Rejected I/O

General Geeky Meanderings

Category: GPFS

GPFS node rejects – watching the waiters

Monitoring Interface errors – Linux & Zabbix

GPFS node rejects