Date: Mon, 03 Jan 2011 16:08:41 +0100 From: Damien Fleuriot <ml@my.gd> To: freebsd-stable@freebsd.org Subject: Re: ZFS - moving from a zraid1 to zraid2 pool with 1.5tb disks Message-ID: <4D21E679.80002@my.gd> In-Reply-To: <ifsia5$5ub$2@dough.gmane.org> References: <4D1C6F90.3080206@my.gd> <ifsia5$5ub$2@dough.gmane.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 1/3/11 2:17 PM, Ivan Voras wrote: > On 12/30/10 12:40, Damien Fleuriot wrote: > >> I am concerned that in the event a drive fails, I won't be able to >> repair the disks in time before another actually fails. > > An old trick to avoid that is to buy drives from different series or > manufacturers (the theory is that identical drives tend to fail at the > same time), but this may not be applicable if you have 5 drives in a > volume :) Still, you can try playing with RAIDZ levels and probabilities. > That's sound advice, although one also hears that they should get devices from the same vendor for maximum compatibility -.- Ah well, next time ;) A piece of advice I shall heed though is using 1% less capacity than what the disks really provide, in case one day I have to swap a drive and its replacement is a few kbytes smaller (thus preventing a rebuild).
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4D21E679.80002>