Date: Sat, 19 Jan 2019 14:31:27 -0500 From: Brian Bilbrey <bilbreycomm@orbdesigns.com> To: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: zfs on hardware raid array Message-ID: <5108B64F-2DB8-41F7-A7EC-FEAF007ECB16@orbdesigns.com> In-Reply-To: <2021985079.63423.1547910450967.JavaMail.zimbra@gausus.net> References: <2021985079.63423.1547910450967.JavaMail.zimbra@gausus.net>
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(Bcc=E2=80=99d to the OP) You *could* do what I=E2=80=99ve done in the past - make each disk into = a single disk volume presented by the array, then use the presented = volumes to make your mirrors, z2s, etc=E2=80=A6 I=E2=80=99m not running = that anymore, but it was fine and reliable for years. A failed disk = could be replaced in the array, then re-presented to the OS for rebuild. = I actually kept a presented volume back to use as a warm spare in those = circumstances.=20 A reasonably inexpensive alternative is to replace the controller with = one that permits JBOD. Best, Brian > On Jan 19, 2019, at 10:07, Maciej Jan Broniarz <gausus@gausus.net> = wrote: >=20 > Hi, >=20 > I want to use ZFS on a hardware-raid array. I have no option of making = it JBOD. I know it is best to use ZFS on JBOD, but=20 > that possible in that particular case. My question is - how bad of an = idea is it. I have read very different opinions on that subject, but = none of them seems conclusive. >=20 > Any comments and especially case studies are most welcome. > All best, > mjb > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to = "freebsd-stable-unsubscribe@freebsd.org"
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