t.d.lee at durham.ac.uk
Mon Oct 16 16:55:38 UTC 2006
Picture: A set of very similar UN*X IMAP servers all NFS-mounting their
INBOX area (traditional Unix format) from a common "/var/spool/mail"
area; activity for any given user ought to be within one box although this
cannot be 100% guaranteed. There is the risk of multiple simultaneous
access (e.g. simultaneous LDA/delivers; simultaneous LDA/deliver and
user-driven IMAP update; etc.). So locking is an important consideration.
Decent "noac,actimeo=0" seems to address this succcessfully.
What is the best place for the index files? Logically alongside the INBOX
area on the shared-NFS area? Or within each UN*X machine? (Or something
else?) And why?
Is there documentation of what functionality the index files provide, and
how, if at all, this interacts with the locking of INBOXes (and folders).
: David Lee I.T. Service :
: Senior Systems Programmer Computer Centre :
: Durham University :
: http://www.dur.ac.uk/t.d.lee/ South Road :
: Durham DH1 3LE :
: Phone: +44 191 334 2752 U.K. :
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