Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Al Hopper
On Fri, 5 May 2006, Marion Hakanson wrote: > Interesting discussion. I've often been impressed at how NetApp-like > the overal ZFS feature-set is (implies that I like NetApp's). Is it > verboten to compare ZFS to NetApp? I hope not Of course not. And if "Thumper" is similar to the rumoure

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread James Dickens
On 5/5/06, Constantin Gonzalez <[EMAIL PROTECTED]> wrote: Hi, (apologies if this has been discussed before, I hope not) while setting up a script at home to do automatic snapshots, a number of wishes popped into my mind: The basic problem with regular snapshotting is that you end up managing s

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Nicolas Williams
On Fri, May 05, 2006 at 09:43:05AM -0700, Marion Hakanson wrote: > Interesting discussion. I've often been impressed at how NetApp-like > the overal ZFS feature-set is (implies that I like NetApp's). Is it > verboten to compare ZFS to NetApp? I hope not It's a public list, you can do the co

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Krzys
I agree and I do not say what you do is wrong, I was just expressing my opinion after what happend today on my system that there would be an excelent idea to have such extra feature in ZFS... Regards, Chris On Fri, 5 May 2006, Darren J Moffat wrote: Krzys wrote: Maybe there could be a flag

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Krzys
I realy do like the way NetApp is handling snaps :) that would be an excelent thing in ZFS :) On Fri, 5 May 2006, Marion Hakanson wrote: Interesting discussion. I've often been impressed at how NetApp-like the overal ZFS feature-set is (implies that I like NetApp's). Is it verboten to compar

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Darren J Moffat
Krzys wrote: Maybe there could be a flag for certain snaps where it could be made read only?!? But I dont know how this could be implemented and I do not think that would be possible... Anyway I still think that if I had a production system with those snaps I would rather remove that "golden i

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Marion Hakanson
Interesting discussion. I've often been impressed at how NetApp-like the overal ZFS feature-set is (implies that I like NetApp's). Is it verboten to compare ZFS to NetApp? I hope not NetApp has two ways of making snapshots. There is a set of automatic snapshots, which are created, rotate a

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Krzys
Maybe there could be a flag for certain snaps where it could be made read only?!? But I dont know how this could be implemented and I do not think that would be possible... Anyway I still think that if I had a production system with those snaps I would rather remove that "golden image" and conti

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Darren J Moffat
Krzys wrote: I did not think of it this way and it is a very valid point, but I still think that most likely you would have a backup already on tape if need be and haveing space available for writing rhather than having no disk space for live data is much more important than a snap, but thats m

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Krzys
I did not think of it this way and it is a very valid point, but I still think that most likely you would have a backup already on tape if need be and haveing space available for writing rhather than having no disk space for live data is much more important than a snap, but thats my opinion. I t

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Darren J Moffat
Krzys wrote: It would be also nice that if you have many snapshoots and you do run out of space that the oldest snapshoot would be automatically removed untill space is freed up. I did setup this snashoot that is beiing made every minute, then every hour, day and a month, and I finally got to t

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Al Hopper
On Fri, 5 May 2006, Nicolas Williams wrote: > On Fri, May 05, 2006 at 05:17:43PM +0200, Constantin Gonzalez wrote: > > But you're right in that my desired functionality can "easily" be > > implemented > > with scripts. Then I would still argue for including this functionality as > > part of the ZF

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Nicolas Williams
On Fri, May 05, 2006 at 05:17:43PM +0200, Constantin Gonzalez wrote: > But you're right in that my desired functionality can "easily" be > implemented > with scripts. Then I would still argue for including this functionality as > part of the ZFS user interface, because of ease of use and minimizat

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Constantin Gonzalez
Hi Al, 1) But is this something that belongs in ZFS or is this a backup/restore type tool that is simply a "user" of zfs? ... Again - this looks like an operational backup/restore policy. Not a ZFS function. So the question is: Is advanced management of snapshots (aging, expiring, etc.) s

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Al Hopper
On Fri, 5 May 2006, Constantin Gonzalez wrote: > Hi, > > (apologies if this has been discussed before, I hope not) > > while setting up a script at home to do automatic snapshots, a number of > wishes popped into my mind: > > The basic problem with regular snapshotting is that you end up managing

Re: [zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Krzys
It would be also nice that if you have many snapshoots and you do run out of space that the oldest snapshoot would be automatically removed untill space is freed up. I did setup this snashoot that is beiing made every minute, then every hour, day and a month, and I finally got to the point where

[zfs-discuss] Properties of ZFS snapshots I'd like to see...

2006-05-05 Thread Constantin Gonzalez
Hi, (apologies if this has been discussed before, I hope not) while setting up a script at home to do automatic snapshots, a number of wishes popped into my mind: The basic problem with regular snapshotting is that you end up managing so many of them. Wouldn't it be nice if you could assign an