Date: Mon, 24 Feb 2020 16:07:22 -0500 From: Matt Garber <matt.garber@gmail.com> To: Mario Olofo <mario.olofo@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Running FreeBSD on M.2 SSD Message-ID: <CANwXMPP0sHvttRZkiQ5ky9=WoHNMWJz_-dQBA%2BKXF6GDF6JVAQ@mail.gmail.com> In-Reply-To: <CAP4Gn9DFAoQtq6NP4hZ-Jq=ddnhp7Bzc_X%2BSce2FPVWn6kjASg@mail.gmail.com> References: <CAP4Gn9DbdzSMbj=xn3E4TMRWzs-WY%2Bun2Rzd9Dt3PUeDL%2BYtpA@mail.gmail.com> <20200224144602.GA64065@phouka1.phouka.net> <CAP4Gn9DYui-x_wsDN3TUMd7cDPB%2BTSfRX3TL5DAa=8a1=eRGxQ@mail.gmail.com> <437a5eae-03c8-737d-48bf-39e2e9163d6d@nomadlogic.org> <CAP4Gn9Cy1w=ftw5QrdCFhWOQ_TaOOK=Wj2NGDC6R81fGPPAB6w@mail.gmail.com> <e2f841f1-ca92-d6f0-d6d1-58f13e3c4400@bsdio.com> <CAP4Gn9C-x39wZsvt6yYjy-gMWSAKrMBiStu=cT8mySnUbLUE2A@mail.gmail.com> <CANwXMPNNGWWdqMKQCP9G%2BH3JaB7B7OK-Pyb6bEDwC-8BGhBOew@mail.gmail.com> <CAP4Gn9DFAoQtq6NP4hZ-Jq=ddnhp7Bzc_X%2BSce2FPVWn6kjASg@mail.gmail.com>
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On Mon, Feb 24, 2020 at 3:56 PM Mario Olofo <mario.olofo@gmail.com> wrote: > Hi Matt, > > The ext4 don't have data checksum, but have metadata checksum, which would > probably be corrupted as well, as I reinstalled my Linux over the same > partition the FreeBSD was using, and by > now I have a lot more files on it than I had on FreeBSD. > Mario, Thanks for that clarification; since not all distros necessarily have it based on recency, etc., I didn’t want to assume metadata_csum was enabled, but that’s a positive start. Not as thorough as full data checksumming, but you’re probably right that it’s at least a good baseline to make reasonable judgments about with regard to heavy ext4 use on the same drive. Thanks, — Matthelp
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