Re: Unable to allocate for space usage in particular btrfs volume

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Nov 05, 2015 at 10:44:51AM +0000, OmegaPhil wrote:
> So a couple of gig still unaccountable but irrelevant. Thanks, problem
> solved! Although hopefully checksumming will be allowed on nocow files
> in the future as thats currently 17% of all data unprotected and will
> get worse...

   It's not likely to happen. If you're modifying data in-place (as is
the case on nodatacow files), then there's a window of vulnerability
between modifying the data and modifying the checksum records during
which the checksums are incorrect. This breaks the consistency
guarantees of the FS.

   Hugo.

-- 
Hugo Mills             | Nostalgia isn't what it used to be.
hugo@... carfax.org.uk |
http://carfax.org.uk/  |
PGP: E2AB1DE4          |

Attachment: signature.asc
Description: Digital signature


[Index of Archives]     [Linux Filesystem Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux