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[70.62.41.24]) by smtp.googlemail.com with ESMTPSA id t72sm6265423ioi.30.2015.08.26.04.13.10 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 26 Aug 2015 04:13:10 -0700 (PDT) Subject: Fwd: Re: Response to Bcachefs Claims References: To: linux-btrfs From: Austin S Hemmelgarn Message-ID: <55DD9F35.9080405@gmail.com> Date: Wed, 26 Aug 2015 07:12:53 -0400 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-512; boundary="------------ms060405090304010103070806" Sender: linux-btrfs-owner@vger.kernel.org List-ID: This is a cryptographically signed message in MIME format. --------------ms060405090304010103070806 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable Forwarding to mailing list. -------- Forwarded Message -------- Delivered-To: ahferroin7@gmail.com Received: by 10.37.50.211 with SMTP id y202csp1924867yby; Tue, 25 = Aug 2015 16:16:17 -0700 (PDT) X-Received: by 10.68.249.66 with SMTP id=20 ys2mr62584006pbc.82.1440544577187; Tue, 25 Aug 2015 16:16:17=20 -0700 (PDT) Return-Path: Received: from d.spam.sonic.net (d.spam.sonic.net. [69.12.208.70])=20 by mx.google.com with ESMTPS id=20 vx5si35354577pab.143.2015.08.25.16.16.16 for=20 (version=3DTLSv1.2=20 cipher=3DECDHE-RSA-AES128-GCM-SHA256 bits=3D128/128); Tue, 25 Aug = 2015 16:16:17 -0700 (PDT) Received-SPF: neutral (google.com: 69.12.208.70 is neither permitted nor = denied by best guess record for domain of suman@rockstor.com)=20 client-ip=3D69.12.208.70; Authentication-Results: mx.google.com; spf=3Dneutral (google.com:=20 69.12.208.70 is neither permitted nor denied by best guess record for=20 domain of suman@rockstor.com) smtp.mailfrom=3Dsuman@rockstor.com Received: from c.mail.sonic.net (a.spam-proxy.sonic.net [69.12.221.245]) = by d.spam.sonic.net (8.14.4/8.14.4) with ESMTP id t7PNGGMZ009978=20 (version=3DTLSv1/SSLv3 cipher=3DDHE-RSA-AES128-GCM-SHA256 bits=3D128=20 verify=3DNOT) for ; Tue, 25 Aug 2015 16:16:16 -0700= Received: from mail-vk0-f42.google.com (mail-vk0-f42.google.com=20 [209.85.213.42]) (authenticated bits=3D0) by c.mail.sonic.net=20 (8.15.1/8.15.1) with ESMTPSA id t7PNGE8V009751 (version=3DTLSv1.2=20 cipher=3DDHE-RSA-AES128-SHA bits=3D128 verify=3DNOT) for=20 ; Tue, 25 Aug 2015 16:16:14 -0700 Received: by vkif69 with SMTP id f69so74864216vki.3 for=20 ; Tue, 25 Aug 2015 16:16:14 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.52.189.140 with SMTP id=20 gi12mr41615828vdc.53.1440544574156; Tue, 25 Aug 2015 16:16:14 -0700 (PDT)= Received: by 10.31.60.10 with HTTP; Tue, 25 Aug 2015 16:16:13 -0700 (PDT)= In-Reply-To: <55DC8F96.2010506@gmail.com> References: <1440516154.040713246@apps.rackspace.com>=20 <55DC8F96.2010506@gmail.com> Date: Tue, 25 Aug 2015 16:16:13 -0700 Message-ID:=20 Subject: Re: Response to Bcachefs Claims From: Suman Chakravartula To: Austin S Hemmelgarn Content-Type: text/plain; charset=3DUTF-8 X-Sonic-CAuth:=20 UmFuZG9tSVZROrxpATBi5oHFe2nYdIWU4ZYYHtXUHBbtsfTSUojBzNrKpHfLe2++p4q0l4guh= ROtpQnLYunB+pXXS7EBts8G+zy/e8oy2bI=3D X-Sonic-ID: C;XpXWR39L5RGRGIs6ks1aLw=3D=3D M;UtU4SH9L5RGRGIs6ks1aLw=3D=3D= X-Spam-Flag: No X-Sonic-Spam-Details: 0.0/5.0 by cerberusd On Tue, Aug 25, 2015 at 8:53 AM, Austin S Hemmelgarn wrote: > On 2015-08-25 11:22, Vincent Olivier wrote: >> >> Hi, >> >> I have been using Btrfs for almost a year now with a 16x4TB RAID10 and= its >> 8x4TB RAID0 backup (using incremental snapshots diffs). I have always = tried >> to stay at the latest stable kernel (currently 4.1.6). But I might be = moving >> to Fedora 22 because Centos 7 has significant incompatibilities with t= he >> 4.1.x kernel series. >> >> I have seen the news about Bcachefs aiming to be Btrfs-complete while >> being extX-stable. >> >> What are the chances Bcachefs beats Btrfs at being the Linux kernel's = next >> "official" file system ? I chose Btrfs over ZFS because it seemed like= the >> only "next-gen" heir to ext4/xfs. >> >> I have been having a few problems with Btrfs myself. I have only one t= hat >> remains unresolved : I haven't found the best way to mount Btrfs at bo= ot >> time. "LABEL=3D" won't work for known reasons (I don't understand howe= ver why >> a mount can't do its own "device scan" transparently). "UUID=3D" won't= work >> for unknown reasons (haven't got a reply on this, maybe it's the same = as >> "LABEL=3D"). And I will use /dev/* in fstab for stability reasons. Rig= ht now >> I'm mounting the fs manually after a "device scan" and picking up the = first >> device that shows up in the "fi show" run. I can "live" with that but = I >> suppose that things like this contribute to the feeling that Btrfs is >> actually still experimental contrarily to claims that it is >> production-ready. >> >> For my own sake and other's I would like to maintain (if nobody is alr= eady >> working on that nor needs any help) a centralized human-readable diges= t of >> known issues that would be featured prominently on top of the Btrfs wi= ki. I >> would merge the Gotchas page and the various known issues pages (inclu= ding >> the various multi-device mount gotchas here and there). >> >> Answers ? Comments ? Help ? > > First off, I think this is a wonderful idea. The list of known issues = isn't > always particularly up to date, and isn't as trivial to find as it shou= ld > be. > I think it's a great idea too and would like to contribute. Can someone please lead the way? --=20 Suman Chakravartula Founder @ Rockstor http://rockstor.com http://rockstor.com/blog http://forum.rockstor.com --------------ms060405090304010103070806 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCC Brgwgga0MIIEnKADAgECAgMQblUwDQYJKoZIhvcNAQENBQAweTEQMA4GA1UEChMHUm9vdCBD QTEeMBwGA1UECxMVaHR0cDovL3d3dy5jYWNlcnQub3JnMSIwIAYDVQQDExlDQSBDZXJ0IFNp Z25pbmcgQXV0aG9yaXR5MSEwHwYJKoZIhvcNAQkBFhJzdXBwb3J0QGNhY2VydC5vcmcwHhcN MTUwMzI1MTkzNDM4WhcNMTUwOTIxMTkzNDM4WjBjMRgwFgYDVQQDEw9DQWNlcnQgV29UIFVz ZXIxIzAhBgkqhkiG9w0BCQEWFGFoZmVycm9pbjdAZ21haWwuY29tMSIwIAYJKoZIhvcNAQkB FhNhaGVtbWVsZ0BvaGlvZ3QuY29tMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA nQ/81tq0QBQi5w316VsVNfjg6kVVIMx760TuwA1MUaNQgQ3NyUl+UyFtjhpkNwwChjgAqfGd LIMTHAdObcwGfzO5uI2o1a8MHVQna8FRsU3QGouysIOGQlX8jFYXMKPEdnlt0GoQcd+BtESr pivbGWUEkPs1CwM6WOrs+09bAJP3qzKIr0VxervFrzrC5Dg9Rf18r9WXHElBuWHg4GYHNJ2V Ab8iKc10h44FnqxZK8RDN8ts/xX93i9bIBmHnFfyNRfiOUtNVeynJbf6kVtdHP+CRBkXCNRZ qyQT7gbTGD24P92PS2UTmDfplSBcWcTn65o3xWfesbf02jF6PL3BCrVnDRI4RgYxG3zFBJuG qvMoEODLhHKSXPAyQhwZINigZNdw5G1NqjXqUw+lIqdQvoPijK9J3eijiakh9u2bjWOMaleI SMRR6XsdM2O5qun1dqOrCgRkM0XSNtBQ2JjY7CycIx+qifJWsRaYWZz0aQU4ZrtAI7gVhO9h pyNaAGjvm7PdjEBiXq57e4QcgpwzvNlv8pG1c/hnt0msfDWNJtl3b6elhQ2Pz4w/QnWifZ8E BrFEmjeeJa2dqjE3giPVWrsH+lOvQQONsYJOuVb8b0zao4vrWeGmW2q2e3pdv0Axzm/60cJQ haZUv8+JdX9ZzqxOm5w5eUQSclt84u+D+hsCAwEAAaOCAVkwggFVMAwGA1UdEwEB/wQCMAAw VgYJYIZIAYb4QgENBEkWR1RvIGdldCB5b3VyIG93biBjZXJ0aWZpY2F0ZSBmb3IgRlJFRSBo ZWFkIG92ZXIgdG8gaHR0cDovL3d3dy5DQWNlcnQub3JnMA4GA1UdDwEB/wQEAwIDqDBABgNV HSUEOTA3BggrBgEFBQcDBAYIKwYBBQUHAwIGCisGAQQBgjcKAwQGCisGAQQBgjcKAwMGCWCG SAGG+EIEATAyBggrBgEFBQcBAQQmMCQwIgYIKwYBBQUHMAGGFmh0dHA6Ly9vY3NwLmNhY2Vy dC5vcmcwMQYDVR0fBCowKDAmoCSgIoYgaHR0cDovL2NybC5jYWNlcnQub3JnL3Jldm9rZS5j cmwwNAYDVR0RBC0wK4EUYWhmZXJyb2luN0BnbWFpbC5jb22BE2FoZW1tZWxnQG9oaW9ndC5j b20wDQYJKoZIhvcNAQENBQADggIBABr5e8W+NiTER+Q/7wiA2LxWN3UdhT3eZJjqqSlP370P KL5iWqeTfxQ67Ai/mHbJcT2PgAJ+/D2Ji+aRR03UWnU/vtOwzyDLUMstqnfl0Zs+sz/CJe7x nBA5jlpjC2DKuMVfbPze7eySaen7XSGFHKE1QoVIIpQ2kVjC4nbbJQnUbAVX1Iz29WxeVGt9 XYigz3tDPf3tglN+q23E7YjQl4abTIoM7i98yV1H9gfY8lFfKZ6jREB9+n6ie2EwS3Kat2mG tl2wBx4MfRnoSQSKsLKQ5oTwhWf0JqlFwpLfl374p0Njcykej9/jnWG8Ks1V/AXTHqI4eyIP Mf5yMZkPv7n7LS9WWKdG4Nd38iv4T2EiAaWsmgu+r81qL5CJu9AyA0SBS4ttKf6k3e63w2Mv N9R45vpQ3QhAhfWyFxFhZN95APe3YECDG3+XIRJpRYPEtHuIsOyzI70ajF93gg/BidvqKsmV MM2ccktDMfqwZXea6zey7F8Geu9R7BqjXmG2HlNuXu7e/xnHOgXf5D3wPmnRLlBhXL1Ch97a w2KjaupjpAHfFjv5kGnZXN87UvvlwzIZiKXwa3vTDwK+rrKn/sHPkfDZPSiyt/ZBIK6lX83P 34H/CzGg+Kx57rHYOIHGumIvpDa5vfWp8O0sGgawb1C2Aae4sTUVIWmIjVuGI062MYIE0TCC BM0CAQEwgYAweTEQMA4GA1UEChMHUm9vdCBDQTEeMBwGA1UECxMVaHR0cDovL3d3dy5jYWNl cnQub3JnMSIwIAYDVQQDExlDQSBDZXJ0IFNpZ25pbmcgQXV0aG9yaXR5MSEwHwYJKoZIhvcN AQkBFhJzdXBwb3J0QGNhY2VydC5vcmcCAxBuVTANBglghkgBZQMEAgMFAKCCAiEwGAYJKoZI hvcNAQkDMQsGCSqGSIb3DQEHATAcBgkqhkiG9w0BCQUxDxcNMTUwODI2MTExMjUzWjBPBgkq hkiG9w0BCQQxQgRARlLx80FRgM4PE15kazaY5fUEGGc1Pau9ETTWUBvjdidEP5wMQBYT/sAn hqX2GntDFzK3b0ufkDpgDfszHJ5I7TBsBgkqhkiG9w0BCQ8xXzBdMAsGCWCGSAFlAwQBKjAL BglghkgBZQMEAQIwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMCAgFA MAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMIGRBgkrBgEEAYI3EAQxgYMwgYAweTEQMA4GA1UE ChMHUm9vdCBDQTEeMBwGA1UECxMVaHR0cDovL3d3dy5jYWNlcnQub3JnMSIwIAYDVQQDExlD QSBDZXJ0IFNpZ25pbmcgQXV0aG9yaXR5MSEwHwYJKoZIhvcNAQkBFhJzdXBwb3J0QGNhY2Vy dC5vcmcCAxBuVTCBkwYLKoZIhvcNAQkQAgsxgYOggYAweTEQMA4GA1UEChMHUm9vdCBDQTEe MBwGA1UECxMVaHR0cDovL3d3dy5jYWNlcnQub3JnMSIwIAYDVQQDExlDQSBDZXJ0IFNpZ25p bmcgQXV0aG9yaXR5MSEwHwYJKoZIhvcNAQkBFhJzdXBwb3J0QGNhY2VydC5vcmcCAxBuVTAN BgkqhkiG9w0BAQEFAASCAgAOXEUO/tv3byEeNMYgMrfAjKFDBQYZxwxXHmHL4pdfVYvcjqcJ yXNJ8iteUiAY8qUDxQP8BN2mKwgMzGiUNT4k75so3uM/ZMnn5DphBXbDLXCe/K7MEkLtpGcp okebm2jYsU5ezgt8cTokY/3mXMHG2yeUlrSos+4V6P7M8fNqhbjACs8kiCgU+JGMF4wcPfBs 46M/+mkQr1bDudzOwZbtwAcYK4v4f8VKn7a3MErAiNmiwqZ/ESRVnCY3At2AyLjgJUwmwpz8 Rw+hrBVoLaDGcMvuNB8VGk0GTXNd8bQ1+gO6GEL9DPnHwmu/3HlHrEzsL9euexMmiOJHzDY8 HS0CH1TazfMsQ5m296TzP1/eoNN6vtLUn/r1Jq2MYGJW1Qe2Yd/W10qPWH6BijoO1kMYzJ2T rJ0pOPGyclTf1u8twuEt3VFP2BBcXaXXt+uvj/3kesVewRHxZDzxw9t10eE6DMLW1lsjtgxV APnEpD1D2tn/pWS/UJni4Bm6ZDHH3+i2LKinMiZt/VjDxLPVxg1W6rzWQSmayDUpK52BAhEP yJWjWxkcB+OooO/P8SATDri+nPrpwSjg1QNJovkRd3ek0lpXJIqDYviSD5j2oN5I5Q3A4oWG ye3ptJz/kMIBYDdx8DFmLYN6qxxfYpouF+6EBSJ3lTFF6XK7x1E01htiKgAAAAAAAA== --------------ms060405090304010103070806--