On Aug 26, 2014, at 9:24 PM, jd1008 <jd1...@gmail.com> wrote: > > On 08/26/2014 08:44 PM, Chris Murphy wrote: >> On Aug 23, 2014, at 6:54 PM, jd1008 <jd1...@gmail.com> wrote: >> >>> So, it is not clear to me why there are all these errors, especially since >>> ext4 is supposed >>> to, by design, protect metadata's integrity in the face of such HW problems >>> (which I >>> am unsure what those HW problems are). >> Well, no filesystem is impervious to hardware problems. Even if you have >> metadata and journal checksumming enabled, which isn't a default still, >> there is no guarantee. >> >> Gist is, simple mount option -o journal_checksum for journal checksumming. >> For full metadata checksumming you need e2fsprogs 1.43. Current in F21 is >> 1.42.11-2, and it doesn't support mkfs.ext4 -O metadata_csum,64bit. >> >> https://ext4.wiki.kernel.org/index.php/Ext4_Metadata_Checksums >> >> >> Chris Murphy > Well, that's a shame! > At least after I had done the fsck, I lost no files as lost+found was empty. > But that does not mean I did not lose file data in dirty buffers.
Well, files can be lost but not found, in which case they won't be in lost+found. Chris Murphy -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
