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

Re: feature request: btrfs-image without zeroing data

2011-07-11 02:00:51 +0200, krzf83@xxxxxxxxx :
> Documentation says that btrfs-image zeros data. Feature request is for
> disabling this. btrfs-image could be used to copy filesystem to
> another drive (for example with snapshots, when copying it file by
> file would take much longer time or acctualy was not possible
> (snapshots)). btrfs-image in turn could be used to actualy shrink loop
> devices/sparse file containing btrfs - by copying filesystem to new
> loop device/sparse file.
> Also it would be nice if copying filesystem could occour without
> intermediate dump to a file...

I second that.

See also
for a way to transfer btrfs fs.

(Add a layer of "copy-on-write" on the original devices (LVM
snapshots, nbd/qemu-nbd cow...), "btrfs add" the new device(s)
and then "btrfs del" of the cow'ed original devices.

To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Photo]     [Yosemite News]    [Yosemite Photos]    [Free Online Dating]     [Linux Kernel]     [Linux SCSI]     [XFree86]

Add to Google Powered by Linux