-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 02/27/2014 04:05 PM, Chris Murphy wrote: > User reports successfully formatting and using an ~18TB Btrfs > volume on hardware raid5 using i686 kernel for over a year, and > then suddenly the file system starts behaving weirdly: > > https://urldefense.proofpoint.com/v1/url?u=http://www.mail-archive.com/linux-btrfs%40vger.kernel.org/msg31856.html&k=ZVNjlDMF0FElm4dQtryO4A%3D%3D%0A&r=cKCbChRKsMpTX8ybrSkonQ%3D%3D%0A&m=6eUt5RgBggFh930oFrH19iR4z%2BFVzT%2F0%2F4dYPt3g48U%3D%0A&s=5ac126734d7fa1d3238ab09a2ddc021a8dcc8fff7b022560a4d068be2de37c00 > > > > I think this is due to the kernel page cache address space being > 16TB limited on 32-bit kernels, as mentioned by Dave Chinner in > this thread: > > https://urldefense.proofpoint.com/v1/url?u=http://oss.sgi.com/pipermail/xfs/2014-February/034588.html&k=ZVNjlDMF0FElm4dQtryO4A%3D%3D%0A&r=cKCbChRKsMpTX8ybrSkonQ%3D%3D%0A&m=6eUt5RgBggFh930oFrH19iR4z%2BFVzT%2F0%2F4dYPt3g48U%3D%0A&s=3e45f9288e6a77bc1a24dded368802c2ab46b812bf59953f74d4ee1d4141f7d2 > > So it sounds like it shouldn't be possible to mount a Btrfs volume > larger than 16TB on 32-bit kernels. This is consistent with ext4 > and XFS which refuse to mount large file systems. > >
Well that's not good, I'll fix this up. Thanks, Josef -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJTD6j6AAoJEANb+wAKly3BhIEQAJheOf/NMEurHSlxnLWYuRog thRJMk+je1Ae9Sz93B5/0OztrmzYhK+OoQhWuF79OxVPoMeZ2Ta5qqmeNw3U+dRn T44SjlYRnerq0ksVt9xR9j2zMXWatgO5+20doZpeESco/IRWYkakQTyrWj9WUATN 7YQsxZB57nijrOvig0GPmMtH9PriscsPQhMVDuTDIHkvfWgk0M2oqu/0TZl9f5xA Es1uK0rv6KsExVQix+4GjWc/RBpl2QzxGEq/Ct+vcL+HaiKIERXuEw5liP9dSamj Wqbkkli+FDftBx/GXGTA38VYSxLExrlF891R4fOXWUcqDvlLwhdBpZExeYCV9MUz lEtaZaKUa3eeRBwzuxeLT8mEvY3BqvePQg8Io7auuIHG4fuRlOWWRiDG7bpTTPlD NFZACEDlGGdXNli7TqQ82La9kxFDvXCISnfxNbbu2vlXqL/HqQom1HiPwgMNIDQ7 0UIOLW5X+gg++kH7ArhOv19B7FR2i50wxuJSwj2/XSLELAPFAd9/BMI+3DXWfkE4 qZwnHEt8bVKR/yJ+srnRC2mZP41eHWHA6c9IXEGU/STy2uOdnwnXoS+KAdNWEt1d QRlr79S8Mhf7U8Acx/LhgwkbB1npmm0xssZmK2WycSyU7A66rdk0Cc+gfVyZOW5C k68LvCitzpU1W7MSMmPt =9S2b -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
