Please unsubscribe me COLLIER
-----Original Message----- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Lori Alt Sent: Thursday, September 03, 2009 9:14 AM To: Richard Elling Cc: zfs-discuss@opensolaris.org; Ross Subject: Re: [zfs-discuss] Archiving and Restoring Snapshots yes to all the comments below. Those are all mitigating factors. But I also agree with Ross and Mike and others that we should be more clear about when send/recv is appropriate and when it's not the best choice. We're looking into it. Lori On 09/03/09 10:06, Richard Elling wrote: > On Sep 2, 2009, at 11:55 PM, Ross wrote: > >> I agree, mailing that to all Sun customers is something I think is >> likely to turn around and bite you. > > Some points to help clarify the situation: > > 1. There is no other way to archive a dataset than using a snapshot > > 2. You cannot build a zpool on a tape > > 3. The stability of the protocol is only a problem if it becomes > impossible > to run some version of OpenSolaris on hardware that is needed to > receive the snapshot. Given the ubiquity of virtualization and > the x86 > legacy, I don't think this is a problem for at least the > expected lifetime > of the storage medium. > >> A lot of people are now going to use that to archive their data, and >> some of them are not going to be happy when months or years down the >> line they try to restore it and find that the 'zfs receive' just >> fails, with no hope of recovering their data. >> >> And they're not going to blame the device that's corrupted a bit, >> they're going to come here blaming Sun and ZFS. Archiving to a >> format with such a high risk of loosing everything sounds like >> incredibly bad advice. Especially when the article actually uses the >> term "create archives for long-term storage". >> >> Long term storage doesn't mean "storage that could break with the >> next upgrade", or "storage that will fail if even a single bit has >> been corrupted anywhere in the process". Sun really need to decide >> what they are doing with zfs send/receive because we're getting very >> mixed messages now. > > Data integrity is a problem for all archiving systems, not just ZFS. > -- richard > > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
