Agreed. Snapshots would have been an easy way to mitigate this but implementing some auto snapshoting was one of the things on my todo list that I embarrassingly never got around to doing. I do have one snapshot from 2012 which has a lot in it so there is some recoverability.
Another funny part of this is that I was actually pretty good about doing scrubs because I was always worried about the dreaded bit rot. But I obviously did not take enough precautions against user error. On Tue, Oct 13, 2015 at 10:59 PM, Michael Loftis <[email protected]> wrote: > A snapshot created before you started down this path would save your butt > here but beyond that I dunno...snapshots are cheap to the point of being > free with zfs so if you're not routinely snapshot ting everything hopefully > you'll start now. > > > On Tuesday, October 13, 2015, Jeb Winders <[email protected]> wrote: > >> Hello All, >> >> First let me say that I greatly appreciate the work the community and >> joyent have done on smartos. I am a big fan. >> >> I know that my subject may seem provocative and I don't really mean it >> that way, but on the other hand my files seem to be gone so maybe a smidge >> of provocation is in order. >> >> I do things that I probably should not like running the 2012Q2 release >> since, well second quarter 2012. >> >> When I started using smartos I had big plans to do all the zones stuff I >> used to do on sol10 and opensolaris but one thing led to another and I >> ended up mostly just running a zfs fs in the global zone as a place to dump >> files until I made time to really get into it. >> >> Well this past weekend the time finally came. After much investigation >> and trial and error, I figured out that I had goobered up the old >> smartos64plus zones I had made previously. Instead of trying to fix them I >> went ahead and downloaded the latest usb image so I could get with the >> modern age, be on the cutting edge, right side of history, all that stuff. >> >> While I was waiting for things to 'dd' I rearranged some of the files and >> dirs in my global zone zfs fs to kill time and then got to rebooting. >> >> I then ran into the whole 'zones/dump' pool degraded issue but I >> eventually find the guy who documented destroying and remaking the dump zfs >> and things were undegraded again. >> >> I made a working zone , got some stuff from pkgin, everything was going >> swimmingly. >> >> I mention all of the above to illustrate that smartos and I had a big >> weekend. >> >> Then I went to retrieve some files from my old global zone zfs filesystem >> and all but two of the directories there were gone. Specifically >> everything but the dirs I had been rearranging were gone. >> >> 10 points to whomever has already figured out what happened >> >> At first I thought there was some kind of zpool something or other >> happening cause I had just gotten over that whole 'degraded' scare the day >> before. But zpool stuff doesn't usually leave some files intact and >> visible and the fs mounted. >> >> Here is a hint -- back in 2012 when I made this fs to dump files into I >> obviously could not call it zones/dump because that was already taken. so >> the next best thing I could think of that was not in use already was ... >> wait for it ... zones/archive >> >> 5 points if you get it now. >> >> For those of you still reading, evidently zones/archive is an actual >> thing now and there is a handy cron job in the root crontab to find >> everything in there which has not been touched in 7 days and 'rm' it. >> >> so my dir full of linux iso's avoided certain doom, for now. but >> everything else got 'rm'd >> >> I realize this is an edge case and I shouldn't be putting stuff in the >> global zone in the first place but if anyone has any advice for undeleting >> files from zfs I would greatly appreciate it. >> >> I wanted to learn more hardcore OS and filesystem stuff so I guess I get >> my wish :) >> >> Another question -- should I rename my zfs fs zones/archive to something >> else or would that make it harder to recover stuff ? >> >> or am I just deluding myself to think there will be any recovery ? >> >> Thanks for any help you can render. In the mean time I will make a shell >> script to touch the dirs in zones/archive everyday. >> >> And let my story serve as a caution to any wayward soul who would make a >> filesystem in the global zone. >> >> -jeb >> >> >> > > -- > > "Genius might be described as a supreme capacity for getting its possessors > into trouble of all kinds." > -- Samuel Butler > > *smartos-discuss* | Archives > <https://www.listbox.com/member/archive/184463/=now> > <https://www.listbox.com/member/archive/rss/184463/27748544-586b8942> | > Modify > <https://www.listbox.com/member/?&;> > Your Subscription <http://www.listbox.com> > ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
