Maybe this is because your are accessing multiple mailbox through the same and unique connection.<br>At each mailbox it should open some files related to the mailbox and never close them !<br>The use is to connect to a unique mailbox and read mails and browse subfolders, and then always use the same related files.
<br><br>As a workaround you could try to logout and login before to switch mailbox.<br><br><br>Regards<br><br><br><div><span class="gmail_quote">On 8/25/07, <b class="gmail_sendername">Dale Ghent</b> <<a href="mailto:firstname.lastname@example.org">
email@example.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">On Aug 24, 2007, at 11:49 AM, Rob McMahon wrote:<br><br>
> Cyrus-2.2.13 (yes, I know it's getting on a bit). Solaris 10 SPARC,<br>> around 115,000 mailboxes.<br>><br>> After deleting just a few, I start getting errors like "Must login<br>> first", "System I/O Error" (sorry, I haven't got the exact messages to
<br>> cut & paste). Looking in the logs I see:<br><br>We (Rob Banz and I) are seeing the same thing on Solaris 10 x86. We<br>started our mass mail migration this past monday and a number of user<br>migrations have failed due to the same error.
<br><br>We haven't found the cause yet, but to get around it for now we<br>cranked up the per-process FD limit and limited the number of<br>requests a imapd is allowed to handle. It looks like a file<br>descriptor leak of some sort. So far that has been a decent work-around.
<br><br>/dale<br><br>--<br>Dale Ghent<br>Specialist, Storage and UNIX Systems<br>UMBC - Office of Information Technology<br>ECS 201 - x51705<br><br><br><br>----<br>Cyrus Home Page: <a href="http://cyrusimap.web.cmu.edu/">
http://cyrusimap.web.cmu.edu/</a><br>Cyrus Wiki/FAQ: <a href="http://cyrusimap.web.cmu.edu/twiki">http://cyrusimap.web.cmu.edu/twiki</a><br>List Archives/Info: <a href="http://asg.web.cmu.edu/cyrus/mailing-list.html">http://asg.web.cmu.edu/cyrus/mailing-list.html
</a><br></blockquote></div><br><br clear="all"><br>-- <br>Alain Spineux<br>aspineux gmail com<br>May the sources be with you