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Bug 1219951

Summary: Should not migrate linkto and commit-hash xattrs on tier promotion/demotion
Product: [Community] GlusterFS Reporter: Dan Lambright <dlambrig>
Component: tieringAssignee: Dan Lambright <dlambrig>
Status: CLOSED NOTABUG QA Contact: bugs <bugs>
Severity: unspecified Docs Contact:
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Version: mainlineCC: bugs
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Last Closed: 2015-05-12 13:21:36 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Blocks: 1260923    

Description Dan Lambright 2015-05-08 19:38:23 UTC 
We whould not migrate linkto and commit-hash xattrs on tier promotion/demotion. If we do this, we risk referring to a subvolume that does not exist on the destination tier.
Comment 1 Dan Lambright 2015-05-12 13:21:36 UTC 
It does not appear the linkto xattr is transferred on file migration. 

        /* remove the 'linkto' xattr from the destination */
        ret = syncop_fremovexattr (to, dst_fd, conf->link_xattr_name, 0, NULL);
        if (ret) {
                gf_log (this->name, GF_LOG_WARNING,
                        "%s: failed to perform removexattr on %s (%s)",
                        loc->path, to->name, strerror (-ret));
                ret = -1;
        }