Quoth [email protected]:
> Hi all,
> When a file is removed in 9front using rm, I take it that it is altogether
> deleted and non-recoverable. In Linux one can sometimes use specialised tools
> to recover files removed with rm.
>
well, on gefs, this happens:
/sys/src/cmd/gefs/fs.c:1944: fsremove(Fmsg *m, int id, Amsg **ao)
on hjfs, this happens:
/sys/src/cmd/hjfs/fs1.c:923: delete(Fs *fs, FLoc *l, Buf *b)
and on cwfs, this happens:
/sys/src/cmd/cwfs/9p2.c:1303: doremove(File *f)
if your goal is to un-delete a file, you can run '9fs dump'
and get old revisions:
% 9fs dump
% ls /n/dump
/n/dump/[email protected]_02:10:49
/n/dump/[email protected]_08:21:24
/n/dump/[email protected]_02:05:56
<snip>
/n/dump/[email protected]_03:41:01
/n/dump/[email protected]_03:42:01
/n/dump/[email protected]_03:43:01
gefs takes snapshots once a minute, deleting old ones;
cwfs does them nightly; I don't remember what hjfs does,
but I think it depends on cron.
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