Hi
we saw the same thing with EMC Unity and LMTP. With nfs v3 the situation is somehow tolerable.
First time we switch to nfs v4.1 the servers crashed and later we found out that we need to turn off delegation and switch to "lock_method = dotlock". This will help some people if is added to wiki page !
With those settings the performance was roughly the same but the mail.err log file was bigger so we switched back to nfs v3.
He do have a much smaller system with nfs v4.2 and no broken uidlist errors, only " Error: dotlock /.../dovecot-uidlist.lock was immediately deleted under us". Unfortunately EMC Unity doesn't support nfs v4.2 because is too new.
On 1/22/21 5:08 PM, Alessio Cecchi wrote:
Hi Maciej,
I'm using LDA for delivery email in mailbox (Maildir) and I think(hope) that switching to LMTP via director will fix my problem, but I d'ont know why wiht old kernel works and with recent no.
Are you using POP/IMAP and LMTP via director so any update to dovecot indexes is done from the same server?
-- Best regards, Adrian Minta