# [OmniOS-discuss] extended attributes in LX zone

Michael Talbott mtalbott at lji.org
Fri Sep 30 22:57:26 UTC 2016

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    Bummer. Oh well. How about presenting a zvol as a raw device like shown here: http://docs.oracle.com/cd/E19253-01/819-5461/gbebi/index.html <http://docs.oracle.com/cd/E19253-01/819-5461/gbebi/index.html>

    I did this, shutdown and rebooted the zone.. and the path the the volume appears under /dev/zvol/dsk/ssdpool/ but that directory is empty when it should contain the name of my zvol :(

    I figure if I can get that working, then I could format that vol in ext4 so it'd have a way of properly handling xattrs (or so I hope).. Otherwise.. I guess I could present a zvol as an iscsi volume to the linux host/zone/entity and then format that ext4 over iscsi, but I'd rather not add the networking stack in there if I don't have to.

    Any ideas on getting zvols as raw devices in an lx zone?

    ________________________
    Michael Talbott
    Systems Administrator
    La Jolla Institute

    > On Sep 30, 2016, at 3:40 PM, Dale Ghent <daleg at omniti.com> wrote:
    >
    >
    >> On Sep 30, 2016, at 5:30 PM, Michael Talbott <mtalbott at lji.org> wrote:
    >>
    >> So I've hit a bit of a brick wall in my testing to get BeeGFS working in an LX zone :( The metadata server needs extended attributes. I know zfs has a different implementation of EAs, but they are there.. So.. Is it possible for an LX zone to somehow use them with native linux tools like getfattr, setfattr, etc? I tried adding xattr and user_xattr to the zone's fstab file hoping just maybe it was that simple, but, no dice. Any ideas?
    >
    > No support for linux get/setxattr syscalls right now in LX brants other than superficial faking to please certain circumstances:
    >
    > https://grok.elemental.org/source/xref/io-lx-public/usr/src/uts/common/brand/lx/syscall/lx_xattr.c#33
    >
    > /dale

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