Thanks, I also had such a script from my solaris 10 days but never transferred it over to smartos. Please feel free to share.
On Wed, Oct 14, 2015 at 6:58 AM, Gérczei Tamás <[email protected]> wrote: > I have created my own solution for this in the form of a shell script that > can create, replicate and rotate ZFS snapshots, suitable for use as a > cronjob. . I'm using it on Solaris (1[01]) and SmartOS as well although in > test environments only so far. I can share it, if You want me to, it might > prove helpful until someone comes up with a better one. > > On 14 October 2015 12:43:52 pm "Jeb Winders" <[email protected]> > wrote: > >> 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
