Hannes, Please opine! > Thank you very much for you reply, I have tried to contact 3PAR about > this issue. Hundreds of them flooding the log for some seconds that > is an serious problem. It can be reproduced on the Linux 4.14 kernel > version or the lastest version for 3PAR storage Remote Copy Failover > platform when the main storage is powered off. How to solve it ? > > I have found that the lastest patch 'pg->interval = 2000' is > incorrect, pg->interval = 2 maybe is reasonable, 2 seconds delay, > retry . But I have an new idea. I am wondering if the patch is > reasonable to use the function printk_timed_ratelimit(&j, 500), can > you help me review and commit this patch, Best regards -- Martin K. Petersen Oracle Linux Engineering