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etcdserver/corrupt: document data corrupt checking in checkHashKV 

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
release-3.3
Gyu-Ho Lee 2017-11-20 09:34:03 -08:00
parent 1ce3a41e69
commit 08434d0665
1 changed files with 6 additions and 0 deletions
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6
etcdserver/corrupt.go
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@ -88,6 +88,8 @@ func (s *EtcdServer) checkHashKV() error {
for _, resp := range resps {
id := resp.Header.MemberId
// leader expects follower's latest revision less than or equal to leader's
if resp.Header.Revision > rev2 {
plog.Warningf(
"revision %d from member %v, expected at most %d",
@ -96,6 +98,8 @@ func (s *EtcdServer) checkHashKV() error {
rev2)
mismatch(id)
}
// leader expects follower's latest compact revision less than or equal to leader's
if resp.CompactRevision > crev2 {
plog.Warningf(
"compact revision %d from member %v, expected at most %d",
@ -105,6 +109,8 @@ func (s *EtcdServer) checkHashKV() error {
)
mismatch(id)
}
// follower's compact revision is leader's old one, then hashes must match
if resp.CompactRevision == crev && resp.Hash != h {
plog.Warningf(
"hash %d at revision %d from member %v, expected hash %d",