From nobody Fri Nov 24 08:17:41 2023 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 4Sc7CL5yNdz519M6 for ; Fri, 24 Nov 2023 08:18:06 +0000 (UTC) (envelope-from Alexander@Leidinger.net) Received: from mailgate.Leidinger.net (bastille.leidinger.net [89.238.82.207]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature ECDSA (P-256) client-digest SHA256) (Client CN "mailgate.leidinger.net", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Sc7CL3Tm6z3NWd for ; Fri, 24 Nov 2023 08:18:06 +0000 (UTC) (envelope-from Alexander@Leidinger.net) Authentication-Results: mx1.freebsd.org; none 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 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=leidinger.net; s=outgoing-alex; t=1700813878; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=5C6WJNbDsKYgEASSyT1Mgf2H49Pj9KLVWma38d+09rY=; b=2oRSQ2cVB/jmn+YtfrhyxyUfpKIPhD0fiDvnONxPgaBiQXnWNIp/H4wsMXFkVYhj5GAmjG eHlY5YYsW4GK5QrDtJjNbKEhOP3GP2FjdZkSOebaLIMCKj0DFQvrire6fj3ADmt6sOqNFi u/iPy4EQRTebeSxNKydVKNbl1xIKW80tqdyuKyD99i1f6Kym1ctxqr5WA5oIJSC2YmYipc 515Kt6BZrvwbPuRvY4nZpvP4mvO5EWCfEyXW/E5P/4+mp4KuhGUcbHoXcTKOYwyKrYVSRm 5aky4ITRMtV4pBqUYUy1n6oOuMz4VaaddSvDmGZuDrvTI6vgLvlo+rLypzAbjg== Date: Fri, 24 Nov 2023 09:17:41 +0100 From: Alexander Leidinger To: Oleksandr Kryvulia Cc: freebsd-current@freebsd.org Subject: Re: openzfs and block cloning question In-Reply-To: <17265de6-fcbb-4154-adbd-4c56552b747d@shurik.kiev.ua> References: <17265de6-fcbb-4154-adbd-4c56552b747d@shurik.kiev.ua> Message-ID: <25dab6bbc32f85ac710535776cd9d376@Leidinger.net> X-Sender: Alexander@Leidinger.net Organization: No organization, this is a private message. Content-Type: multipart/signed; protocol="application/pgp-signature"; boundary="=_a36447dd47b0b84069d95728201a34cd"; micalg=pgp-sha256 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:34240, ipnet:89.238.64.0/18, country:DE] X-Rspamd-Queue-Id: 4Sc7CL3Tm6z3NWd This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --=_a36447dd47b0b84069d95728201a34cd Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8; format=flowed Am 2023-11-24 08:10, schrieb Oleksandr Kryvulia: > Hi, > Recently cperciva@ published in his twitter [1] that enabling block > cloning feature tends to data lost on 14.  Is this statement true for > the current? Since I am using current for daily work and block cloning > enabled by default how can I verify that my data is not affected? > Thank you. Block cloning may have an issue, or it does things which amplifies an old existing issue, or there are two issues... The full story is at https://github.com/openzfs/zfs/issues/15526 To be on the safe side, you may want to have vfs.zfs.dmu_offset_next_sync=0 (loader.conf / sysctl.conf) for the moment. Bye, Alexander. -- http://www.Leidinger.net Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF --=_a36447dd47b0b84069d95728201a34cd Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc; size=833 Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEER9UlYXp1PSd08nWXEg2wmwP42IYFAmVgXDMACgkQEg2wmwP4 2IaYOw//dc0S3iqJM4K1GKLjchtaLVd0aA9xwMVBlqzLIo2Zcc56NNgSzCIe4jSv 2jIkYR1h2FrvtBgz94uTtTTFh6Ee8Nd8TwCPfifg0kK8d8+Em9H+xWLmZZL/iCSX bcmEothXXVLkR6euMDtydP2NmD5ZqfnzWQ3/9G/dOyGhPj8RiJQN+G4QvVdqt3d5 kUtR3V1eEYkibdNIHh6alGuGq4jbc+nHKZQAoFXAKMmbZzsVe4MWNyj/oImfX8ah TC3vqPItf6cNTjaGqX32mpLoMHPUlFKG3qL3Qki1y8nAfUacOPVUipXJcVThHeYp Q5tBZuiXkUqX5mKFoQNgFK7fXcEOy4VqMQH/KffIsW6lMLRV7SlQkpwmpgQfV8zp Ldsgy4Hcz8y9PNvCFn0PsO3OMLwTtxKD3mOHyXpjs1OqQ2p1AUInYfTFvCRr/Pdy /cOPgmt3Fw+54KxvFt9bmSouD7EVw9pnOva5Dn97L/yy0Y5fYhX2/13Y2GPfx3E9 pjBfLelusE9hiePzEY2stxdgY3avZ7QT2pjCSOGPCdy8yzEmnLmhz2GrrqT3IuU4 AIQtlD6/6McEO5lVOA0vv0TbNkXcfGoAG7f11Y1gSjMxpHAlUHJuf9An5eFgoDn7 pEUV/sbkoivoyUnibz8V7+H79yPBzR1qHz3tS/0n3TcM1692VUc= =+n7E -----END PGP SIGNATURE----- --=_a36447dd47b0b84069d95728201a34cd--