Hi Pavel and thank you for all of your work you do! Yes, I created a new backup server and keep the raw copies in a second place too!
The best regards, Evgeny. On Jul 18, 2016 10:14 AM, "Pavel Zakharov" <[email protected]> wrote: > Hi Evgeny, > > As others have pointed out, your best bet right now is to keep your raw > disks backed up and wait for better tools for ZFS data recovery. I've > recently worked on some ZFS changes to make such recovery easier and have a > higher success rate. It will probably take a few months until it is pushed > to Illumos but I'll let you know once that is done. > > I'm planning to write a blog post once the feature is out. Here's a few > things that I've addressed that might be applicable to your case: > - Add debug tracing during the pool import process > - Allow importing pools through configuration changes (e.g. a device was > replaced) > - Add global variables to allow overriding some checks during pool > import, using the kernel debugger / zdb. > > Regards, > Pavel > > On Sun, Jun 5, 2016 at 5:22 PM, BlackCat <[email protected]> wrote: > >> Hello, >> >> 2016-06-03 20:56 GMT+03:00 esamorokov <[email protected]>: >> > My name is Evgeny and I have 3 x 3TB in RAIDZ1, where one drive is >> gone >> > and I accidentally >> > screwed the other two. The data should be fine, just need to revert >> > uberblock in point of time, where i started doing changes. >> > >> > History: >> > I was using WEB GUI of FreeNas and it reported a failed drive >> > I shutdown the computer and replaced the drive, but I did not >> noticed >> > that I accidentally disconnected power of another drive >> > I powered on the server and expanded the pool where there only one >> drive >> > of the pool was active >> > Then I began to really learn ZFS and messing up with bits >> > At some point I created a backup bit-to-bit images of the two drives >> > from the pool (using R-Studio) >> > >> > >> >> I am still wonder about two things, may be someone more familiar with >> FreeBSD realization could provide some clue: >> >> - how ada2p2 partition GUID could change if Evgeny make bit-to-bit >> clone of the whole drive? Is it possible to zfs recreate partition >> when it adding partition to pool? >> >> - why ZFS allows attaching ada2p2 to a new pool and in same time it >> rejected attaching of ada1p2, while both drives are in the same >> condition? >> >> -- >> BR BC >> > > *openzfs-developer* | Archives > <https://www.listbox.com/member/archive/274414/=now> > <https://www.listbox.com/member/archive/rss/274414/28203587-19fcbffa> | > Modify > <https://www.listbox.com/member/?&;> > Your Subscription <http://www.listbox.com> > ------------------------------------------- openzfs-developer Archives: https://www.listbox.com/member/archive/274414/=now RSS Feed: https://www.listbox.com/member/archive/rss/274414/28015062-cce53afa Modify Your Subscription: https://www.listbox.com/member/?member_id=28015062&id_secret=28015062-f966d51c Powered by Listbox: http://www.listbox.com
