Hi Kirill,
thank you for your very fast response. :)
Am 31.03.2012 20:54, schrieb Kirill Kolyshkin:
Ploop only supports ext4 and nfs
Is there any special reason for this? I'd really like to know the
technical aspects because I then might be able to make moosefs (or
another fuse based fs developed by myself) working with ploop. If I can
read about it in any documents, please redirect me to them :)
Another question: is it (easily) possible make an openvz container use a
normal block devices for storage (which is formatted with ex. ext4)?
Before seeing ploop I thought this won't be possible, but now with ploop
it seems vzctl is only mounting /dev/ploopX somewhere and then using
this mount as the container's root. I'd especially be interested in
using ex. an iscsi backed block device with openvz containers.
Corin
Am 31.03.2012 20:54, schrieb Kirill Kolyshkin:
Ploop only supports ext4 and nfs
31.03.2012 22:50 ???????????? "Corin Langosch" <[email protected]
<mailto:[email protected]>> ???????:
Hi,
has anybody tried using the new ploop storage for openvz images
together with moosefs ( http://www.moosefs.org/)?
ploop mount -d /dev/ploop0 /mfs-mount/root.hdd
Adding delta dev=/dev/ploop0 img=/mfs-mount/root.hdd (rw)
PLOOP_IOC_ADD_DELTA /mfs-mount/root.hdd: Invalid argument
In syslog I find:
kernel: File on FS without backing device
I thought it might be because ploop needs direct-io (right?), but
mounting with direct-io enabled seems not to be supported by moosefs:
mfsmount -o direct_io /mfs-mount
mfsmaster accepted connection with parameters:
read-write,restricted_ip ; root mapped to root:root
fuse: unknown option `direct_io'
Has anybody got it working somehow? :)
Btw: I'll also post this question to the moosefs mailinglist as
I'm pretty sure the devs there might have interesting answers too.
Corin
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