IO latency due to disk scrub
From: Pap <oracle.developer35_at_gmail.com>
Date: Tue, 27 Apr 2021 09:44:37 +0530
Message-ID: <CAEjw_fi0KNV+eR7biu5ViyOcFOWK26BSKnppxwUUObJ-kQdr9A_at_mail.gmail.com>
Hi Listers, We are using the Exadata X3 machine and its Full Rack i.e. 14 storage cell servers. We are seeing high disk IO utilization while the disk scrubbing was in progress. It is impacting the application jobs. This process made the disk IO utilization spiked from ~20% in BAU time to ~80-85% during the time disk scrubbing is in progress. And this process runs once every two week, which I believe is the default schedule.
Date: Tue, 27 Apr 2021 09:44:37 +0530
Message-ID: <CAEjw_fi0KNV+eR7biu5ViyOcFOWK26BSKnppxwUUObJ-kQdr9A_at_mail.gmail.com>
Hi Listers, We are using the Exadata X3 machine and its Full Rack i.e. 14 storage cell servers. We are seeing high disk IO utilization while the disk scrubbing was in progress. It is impacting the application jobs. This process made the disk IO utilization spiked from ~20% in BAU time to ~80-85% during the time disk scrubbing is in progress. And this process runs once every two week, which I believe is the default schedule.
My question was , if it's okay to reschedule this process(harddiskscrubinterval) and make it monthly once? Does it have any negative impact? And if any other possible solution to make it not degrade the disk IO to so much extent?
Regards
Pap
-- http://www.freelists.org/webpage/oracle-lReceived on Tue Apr 27 2021 - 06:14:37 CEST