Re: [zfs-discuss] unionfs help

2010-02-05 Thread Joerg Schilling
Nicolas Williams nicolas.willi...@sun.com wrote: There's no unionfs for Solaris. (For those of you who don't know, unionfs is a BSDism and is a pseudo-filesystem which presents the union of two underlying filesystems, but with all changes being made only to one of the two filesystems. The

Re: [zfs-discuss] unionfs help

2010-02-04 Thread dick hoogendijk
Frank Cusack wrote: Is it possible to emulate a unionfs with zfs and zones somehow? My zones are sparse zones and I want to make part of /usr writable within a zone. (/usr/perl5/mumble to be exact) Why don't you just export that directory with NFS (rw) to your sparse zone and mount it on

Re: [zfs-discuss] unionfs help

2010-02-04 Thread Peter Tribble
On Thu, Feb 4, 2010 at 2:09 AM, Frank Cusack frank+lists/z...@linetwo.net wrote: Is it possible to emulate a unionfs with zfs and zones somehow?  My zones are sparse zones and I want to make part of /usr writable within a zone. (/usr/perl5/mumble to be exact) I can't just mount a writable

Re: [zfs-discuss] unionfs help

2010-02-04 Thread Thomas Maier-Komor
On 04.02.2010 12:12, dick hoogendijk wrote: Frank Cusack wrote: Is it possible to emulate a unionfs with zfs and zones somehow? My zones are sparse zones and I want to make part of /usr writable within a zone. (/usr/perl5/mumble to be exact) Why don't you just export that directory with

Re: [zfs-discuss] unionfs help

2010-02-04 Thread Frank Cusack
On February 4, 2010 12:12:04 PM +0100 dick hoogendijk d...@nagual.nl wrote: Why don't you just export that directory with NFS (rw) to your sparse zone and mount it on /usr/perl5/mumble ? Or is this too simple a thought? On February 4, 2010 1:41:20 PM +0100 Thomas Maier-Komor

Re: [zfs-discuss] unionfs help

2010-02-04 Thread Frank Cusack
BTW, I could just install everything in the global zone and use the default inheritance of /usr into each local zone to see the data. But then my zones are not independent portable entities; they would depend on some non-default software installed in the global zone. Just wanted to explain why

Re: [zfs-discuss] unionfs help

2010-02-04 Thread Nicolas Williams
On Thu, Feb 04, 2010 at 03:19:15PM -0500, Frank Cusack wrote: BTW, I could just install everything in the global zone and use the default inheritance of /usr into each local zone to see the data. But then my zones are not independent portable entities; they would depend on some non-default

Re: [zfs-discuss] unionfs help

2010-02-04 Thread Frank Cusack
On 2/4/10 2:46 PM -0600 Nicolas Williams wrote: In Frank's case, IIUC, the better solution is to avoid the need for unionfs in the first place by not placing pkg content in directories that one might want to be writable from zones. If there's anything about Perl5 (or anything else) that causes

Re: [zfs-discuss] unionfs help

2010-02-04 Thread Nicolas Williams
On Thu, Feb 04, 2010 at 04:03:19PM -0500, Frank Cusack wrote: On 2/4/10 2:46 PM -0600 Nicolas Williams wrote: In Frank's case, IIUC, the better solution is to avoid the need for unionfs in the first place by not placing pkg content in directories that one might want to be writable from zones.

[zfs-discuss] unionfs help

2010-02-03 Thread Frank Cusack
Is it possible to emulate a unionfs with zfs and zones somehow? My zones are sparse zones and I want to make part of /usr writable within a zone. (/usr/perl5/mumble to be exact) I can't just mount a writable directory on top of /usr/perl5 because then it hides all the stuff in the global zone.