Trond Myklebust wrote:
>>
>> I assume NetApp flags the directory specially so that a POSIX directory
>> read doesn't get it. I've seen that done elsewhere.
>
> No. The directory is quite visible with a standard 'ls -a'. Instead,
> they simply mark it as a separate volume/filesystem: i.e. the fsid
> differs when you call stat(). The whole thing ends up acting rather like
> our bind mounts.
> It means that you avoid all those nasty user issues where people try to
> hard link to/from .snapshot directories, rename files across snapshot
> boundaries, etc.
>
Last I used a Netapp, it was configurable, I believe; I seem to also
vaguely remember that one could configure it so that it only was
accessible as part of a mount string rather than as part of an
already-mounted filesystem. Of course, this was a long time ago.
-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
