[zfs-discuss] atomicity of zfs rename

2009-08-05 Thread Roman V. Shaposhnik
POSIX specification of rename(2) provides a very nice property for building atomic transcations: If the old argument points to the pathname of a file that is not a directory, the new argument shall not po

Re: [zfs-discuss] feature proposal

2009-07-30 Thread Roman V Shaposhnik
On Thu, 2009-07-30 at 09:33 +0100, Darren J Moffat wrote: > Roman V Shaposhnik wrote: > > On the read-only front: wouldn't it be cool to *not* run zfs sends > > explicitly but have: > > .zfs/send/ > > .zfs/sendr/- > > give you the same data automagica

Re: [zfs-discuss] feature proposal

2009-07-29 Thread Roman V Shaposhnik
On Wed, 2009-07-29 at 15:06 +0300, Andriy Gapon wrote: > What do you think about the following feature? > > "Subdirectory is automatically a new filesystem" property - an administrator > turns > on this magic property of a filesystem, after that every mkdir *in the root* > of > that filesystem c

[zfs-discuss] disabling showmount -e behaviour

2009-05-26 Thread Roman V Shaposhnik
I must admit that this question originates in the context of Sun's Storage 7210 product, which impose additional restrictions on the kind of knobs I can turn. But here's the question: suppose I have an installation where ZFS is the storage for user home directories. Since I need quotas, each direc

Re: [zfs-discuss] ZFS: unreliable for professional usage?

2009-02-10 Thread Roman V. Shaposhnik
On Wed, 2009-02-11 at 09:49 +1300, Ian Collins wrote: > These posts do sound like someone who is blaming their parents after > breaking a new toy before reading the instructions. It looks like there's a serious denial of the fact that "bad things do happen to even the best of people" on this thre