Postscreen cache MDB CURSOR FULL

Error: postscreen_cache: MDB_CURSOR_FULL: Internal error

   KB 24128        Last updated on 2021-11-16  

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Unable to send/receive emails. To confirm, find any of the below error messages in /var/log/zimbra.log file.

Error 1:

fatal: error reading lmdb:/opt/zimbra/data/postfix/data/postscreen_cache: MDB_CURSOR_FULL: Internal error - cursor stack limit reached"

Error 2:

int postfix/postscreen[39156]: fatal: lmdb:/opt/zimbra/data/postfix/data/postscreen_cache: internal error: mdb.c:2433: Assertion 'mp->mp_pgno != pgno' failed in mdb_page_touch()

Error 3:

fatal: error updating lmdb:/opt/zimbra/data/postfix/data/postscreen_cache: MDB_PAGE_FULL: Internal error - page has no more space


Step 1: Move postscreen cache to "/tmp" directory.

# mv /opt/zimbra/data/postfix/data/postscreen_cache.lmdb /tmp

Step 2: Restart MTA services

# su - zimbra
$ zmmtactl restart
Submitted by: Raghu Noti
Verified Against: ZCS 8.8.15, ZCS 9.0 Date Created: 2020-07-28
Article ID: Date Modified: 2021-11-16

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