Re: ASM for single-instance 11g db server?
From: John Hurley <hurleyjohnb_at_yahoo.com>
Date: Tue, 5 Apr 2011 16:03:28 -0700 (PDT)
Message-ID: <17d74ee3-0524-4956-8f4a-3ae28b845f7c_at_a17g2000yqn.googlegroups.com>
Mladen:
Date: Tue, 5 Apr 2011 16:03:28 -0700 (PDT)
Message-ID: <17d74ee3-0524-4956-8f4a-3ae28b845f7c_at_a17g2000yqn.googlegroups.com>
Mladen:
# Noons, that goes against the traditional lore. Do you have any numbers to back such claim up?
Even "if" on a given system the performance difference is hard to find significant changes between ... there are differences in failure scenarios.
Two disks in a RAID 5 group failing "reasonably close together" gives you an outage. In a RAID 10 group that also can happen but it depends on which "2nd" disk it is ... so the odds are lower.
Moving some of your databases to RAID 5 makes a lot of sense for many environments. My test and dev databases are setup like that. OLTP production ... no thanks. Received on Tue Apr 05 2011 - 18:03:28 CDT