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Re: delta syncrepl error: "text=sync cookie is stale"

--On Wednesday, May 03, 2006 4:37 PM -0700 Ben Poliakoff <benp@reed.edu> wrote:

I haven't found a lot of discussion about troubleshooting delta syncrepl
configurations.  Where do I start?  What causes a cookie to get "stale"?

Well, the first thing I would do is get the necessary patches to 2.3.21 for delta-syncrepl to work correctly (There are problems with the access log overlay, and with the fine-grainedndess of indexing reqStart). You can find them at:


However, I think the problem you are reporting will not be fixed by these particular patches. They certainly will, however, make delta-syncrepl function like it is supposed to for other cases.

I've not tested having delta-syncrepl pull down an entire DB and then run.

Some things to check are:

contextCSN of the master (ldapsearch -b "your base" -s base +)

for example:

ldapsearch -h ldap-master -b "dc=stanford,dc=edu" -s base +
dn: dc=stanford,dc=edu
contextCSN: 20060504012050Z#000000#00#000000

contextCSN of accesslog:

ldapsearch -h ldap-master -b "cn=accesslog" -s base +
dn: cn=accesslog
contextCSN: 20060504012050Z#000000#00#000000

contextCSN of the replica:

ldapsearch -h ldap -b "dc=stanford,dc=edu" -s base +
dn: dc=stanford,dc=edu
contextCSN: 20060504012050Z#000000#00#000000

They should all be the same (as you see here).


Quanah Gibson-Mount
Principal Software Developer
ITS/Shared Application Services
Stanford University
GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html