[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

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 creates a

[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