From owner-freebsd-fs@freebsd.org Tue May 12 15:46:15 2020 Return-Path: Delivered-To: freebsd-fs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id DD87A2F2B93 for ; Tue, 12 May 2020 15:46:15 +0000 (UTC) (envelope-from darcy@druid.net) Received: from mail.vex.net (mail.vex.net [IPv6:2605:2600:1001::44]) by mx1.freebsd.org (Postfix) with ESMTP id 49M2GH0y0gz4NyB for ; Tue, 12 May 2020 15:46:14 +0000 (UTC) (envelope-from darcy@druid.net) Received: from dilbert.druid.net (mobile-166-176-122-64.mycingular.net [166.176.122.64]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: darcy) by mail.vex.net (Postfix) with ESMTPSA id 0828188FCC for ; Tue, 12 May 2020 11:46:13 -0400 (EDT) From: D'Arcy Cain Subject: RAID - hardware vs. ZFS To: freebsd-fs@freebsd.org Autocrypt: addr=darcy@druid.net; prefer-encrypt=mutual; keydata= mDMEXno+ARYJKwYBBAHaRw8BAQdAR2o17zm/M442SONWLjdQ/8Jpro8TbnUm/m1r4MHhygS0 HUQnQXJjeSBDYWluIDxkYXJjeUBkcnVpZC5uZXQ+iJYEExYIAD4WIQQZ0YBgv7psnnP4U/Hh AAd6d7lwwgUCXno+AQIbAwUJCWYBgAULCQgHAgYVCgkICwIEFgIDAQIeAQIXgAAKCRDhAAd6 d7lwwvvTAQCfxQvyB5M06arZ2cL4LDj0wVxG9ay0PTR+qrQQ9DhevAD+I7W9XlbX6qL3gfDe A0wmuPKWrdSRWEcagXI1sGSC3Ay4OAReej4BEgorBgEEAZdVAQUBAQdAbPzu0iryH2ph9hjN L+Cu1Wo85QbDLV174RHCnjmD5WMDAQgHiH4EGBYIACYWIQQZ0YBgv7psnnP4U/HhAAd6d7lw wgUCXno+AQIbDAUJCWYBgAAKCRDhAAd6d7lwwhb/AQD/8Vd7zTK1s3g4bFCApa3W4zSqUa3/ 9trMr0wfaEOngAEA8iWgHnExoVEdLo9542+dJ8K0L7ntWdfIZLgCXK/2OQ8= Message-ID: Date: Tue, 12 May 2020 10:46:12 -0500 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="7iNEsJdAnghEoLIIgGoLK5pr2tLCg5MtW" X-Rspamd-Queue-Id: 49M2GH0y0gz4NyB X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of darcy@druid.net has no SPF policy when checking 2605:2600:1001::44) smtp.mailfrom=darcy@druid.net X-Spamd-Result: default: False [-5.85 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RECEIVED_SPAMHAUS_PBL(0.00)[64.122.176.166.khpj7ygk5idzvmvt5x4ziurxhy.zen.dq.spamhaus.net : 127.0.0.11]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; HAS_ATTACHMENT(0.00)[]; MIME_GOOD(-0.20)[multipart/signed,multipart/mixed,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-fs@freebsd.org]; AUTH_NA(1.00)[]; RCPT_COUNT_ONE(0.00)[1]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[druid.net]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_SPF_NA(0.00)[]; SIGNED_PGP(-2.00)[]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:+,3:~]; ASN(0.00)[asn:19842, ipnet:2605:2600::/32, country:CA]; MID_RHS_MATCH_FROM(0.00)[]; IP_SCORE(-2.75)[ip: (-7.83), ipnet: 2605:2600::/32(-3.91), asn: 19842(-1.91), country: CA(-0.09)]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 May 2020 15:46:15 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --7iNEsJdAnghEoLIIgGoLK5pr2tLCg5MtW Content-Type: multipart/mixed; boundary="NCwHcl2OIXHE2Y3tCHx1FvJh6KHsuToJ6" --NCwHcl2OIXHE2Y3tCHx1FvJh6KHsuToJ6 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable I have to purchase new servers soon. I am planning on getting Proliant DL360 servers. These come with hardware RAID. I was wondering what opinions people had about hardware RAID vs. using ZFS for RAID. Is one safer than the other? What about performance? What about hot swapping? All opinions welcome. --=20 D'Arcy J.M. Cain | Democracy is three wolves http://www.druid.net/darcy/ | and a sheep voting on +1 416 788 2246 (DoD#0082) (eNTP) | what's for dinner. IM: darcy@VybeNetworks.com, VoIP: sip:darcy@druid.net --NCwHcl2OIXHE2Y3tCHx1FvJh6KHsuToJ6-- --7iNEsJdAnghEoLIIgGoLK5pr2tLCg5MtW Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEARYIAB0WIQQZ0YBgv7psnnP4U/HhAAd6d7lwwgUCXrrExAAKCRDhAAd6d7lw wtjbAQC5XDWpjh/ce9Y6E5wi6wzXktL3P9pg0GEZjjHSjOho5QEA70M+KwdGDTpj ZrvVphgxYhk1n7gswfQCPxVL79mXgQ8= =V4oU -----END PGP SIGNATURE----- --7iNEsJdAnghEoLIIgGoLK5pr2tLCg5MtW--