From nobody Thu Jan 30 12:05:54 2025 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YkHmn5d1dz5m9DS for ; Thu, 30 Jan 2025 12:06:17 +0000 (UTC) (envelope-from rb@gid.co.uk) Received: from gid2.gid.co.uk (ns0.gid.co.uk [IPv6:2001:470:94de::240]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "gid2.gid.co.uk", Issuer "gid2.gid.co.uk" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YkHmn2by6z3s3s for ; Thu, 30 Jan 2025 12:06:17 +0000 (UTC) (envelope-from rb@gid.co.uk) Authentication-Results: mx1.freebsd.org; none Received: from mx0.gid.co.uk (mx0.gid.co.uk [194.32.164.250]) by gid2.gid.co.uk (8.15.2/8.15.2) with ESMTP id 50UC69AB041978; Thu, 30 Jan 2025 12:06:09 GMT (envelope-from rb@gid.co.uk) Received: from smtpclient.apple (moriarty.gid.co.uk [194.32.164.17]) by mx0.gid.co.uk (8.14.2/8.14.2) with ESMTP id 50UC64c7089441; Thu, 30 Jan 2025 12:06:04 GMT (envelope-from rb@gid.co.uk) Content-Type: text/plain; charset=utf-8 List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3776.700.51.11.1\)) Subject: Re: ZFS: Rescue FAULTED Pool From: Bob Bishop In-Reply-To: <20250130123354.2d767c7c@thor.sb211.local> Date: Thu, 30 Jan 2025 12:05:54 +0000 Cc: "freebsd-current@freebsd.org" Content-Transfer-Encoding: quoted-printable Message-Id: <075A3339-6327-4C96-91D9-2F225AA74B38@gid.co.uk> References: <20250129112701.0c4a3236@freyja> <20250130123354.2d767c7c@thor.sb211.local> To: A FreeBSD User X-Mailer: Apple Mail (2.3776.700.51.11.1) X-Rspamd-Queue-Id: 4YkHmn2by6z3s3s X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US] Hi, > [trimmed] >=20 > Well, this is a hard and painful lecture to learn, if there is no = chance to get back the pool. Have you tried import -FX ? -FXn might tell you non-destructively whether that will work but I have = never been down this particular hole. > A warning (but this seems to be useless in the realm of = professionals): I used a bunch of > cheap spotmarket SATA SSDs, a brand called "Intenso" common also here = in Good old Germany. > Some of those SSDs do have working LED when used with a Fujitsu SAS = HBA controller - but those > died very quickly from suffering some bus errors. Another bunch of = those SSDs do not have > working LED (not blinking on access), but lasted a bit longer. The = problem with those SSDs is: > I can not find the failing device easily by accessing the failed drive = by writing massive data > via dd, if possible.=20 > I also ordered alternative SSDs from a more expensive brand - but bad = Karma ... Yeah well there=E2=80=99s quite enough things that might go wrong even = without throwing dodgy SSDs into the mix. > Oliver >=20 >=20 > --=20 >=20 > A FreeBSD user -- Bob Bishop rb@gid.co.uk