Date: Sun, 6 May 2012 09:59:39 -0500 (CDT) From: Bob Friesenhahn <bfriesen@simple.dallas.tx.us> To: Simon <simon@optinet.com> Cc: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org> Subject: Re: ZFS Kernel Panics with 32 and 64 bit versions of 8.3 and 9.0 Message-ID: <alpine.GSO.2.01.1205060955450.1678@freddy.simplesystems.org> In-Reply-To: <20120506123826.412881065672@hub.freebsd.org> References: <20120506123826.412881065672@hub.freebsd.org>
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On Sun, 6 May 2012, Simon wrote: > > Are you suggesting that if a disk sector goes bad or memory corrupts few blocks > of data, the entire zpool is gonna go bust? can the same occur with a ZRAID? > I thought the ZFS was designed to overcome all these issues to begin with. Is > this not the case? ZFS is designed to work with failing disks, but not failing memory. It is recommended to use only systems with ECC memory. The OS itself (any OS!) is succeptible to crash/corruption due to failing memory but without zfs's checksums, you might not be aware of such corruptions or the crash might be more delayed. Bob -- Bob Friesenhahn bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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