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Merge pull request #5113 from tchaikov/wip-11840-reject-multiple-tiering

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mon: disallow adding a tier on top of another tier

Reviewed-by: Greg Farnum <gfarnum@redhat.com>
This commit is contained in:
Kefu Chai 2015-07-01 20:57:47 +08:00
commit 725b6097d0
1 changed files with 8 additions and 0 deletions
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8
src/mon/OSDMonitor.cc
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@ -7357,6 +7357,14 @@ bool OSDMonitor::_check_become_tier(
return false;
}
if (base_pool->is_tier()) {
*ss << "pool '" << base_pool_name << "' is already a tier of '"
<< osdmap.get_pool_name(base_pool->tier_of) << "', "
<< "multiple tiers are not yet supported.";
*err = -EINVAL;
return false;
}
if (tier_pool->is_tier()) {
*ss << "tier pool '" << tier_pool_name << "' is already a tier of '"
<< osdmap.get_pool_name(tier_pool->tier_of) << "'";