Skip site navigation (1)
Skip section navigation (2)
Peripheral Links
Header And Logo
|
Site Navigation
Re: setting up raid10 with more than 4 drives
- From: "Luke Lonergan" <llonergan(at)greenplum(dot)com>
- To: mark(at)mark(dot)mielke(dot)cc
- Cc: "Michael Stone" <mstone+postgres(at)mathom(dot)us>, pgsql-performance(at)postgresql(dot)org
- Subject: Re: setting up raid10 with more than 4 drives
- Date: Wed, 30 May 2007 13:18:09 -0700
Mark, On 5/30/07 8:57 AM, "mark(at)mark(dot)mielke(dot)cc" <mark(at)mark(dot)mielke(dot)cc> wrote: > One part is corruption. Another is ordering and consistency. ZFS represents > both RAID-style storage *and* journal-style file system. I imagine consistency > and ordering is handled through journalling. Yep and versioning, which answers PFC's scenario. Short answer: ZFS has a very reliable model that uses checksumming and journaling along with block versioning to implement "self healing". There are others that do some similar things with checksumming on the SAN HW and cooperation with the filesystem. - Luke
- References:
- Prev by Date: Re: Bad RAID1 read performance
- Next by Date: Re: setting up raid10 with more than 4 drives
- Previous by thread: Re: setting up raid10 with more than 4 drives
- Next by thread: Very slow left outer join
- Indexes: