Cyrus Server Migration

[Richard Houston]

Hi,

I as well would like to know more about these Linux stabilization patches.




Thanks in advance,

Richard Houston
R.L.H. Consulting
www.rlhc.net




Andrew Brink said:
> Perhaps you could tell me more about the linux stabilization patches?
>
>> -----Original Message-----
>> From: Henrique de Moraes Holschuh [mailto:hmh at debian.org]
>> Sent: Thursday, September 04, 2003 12:13 PM
>> To: Andrew Brink
>> Cc: Cyrus Info list
>> Subject: Re: Cyrus Server Migration
>>
>>
>> On Thu, 04 Sep 2003, Andrew Brink wrote:
>> > 1.  ext2 or ext3, we are also considering a cluster
>> solution using a
>> > shared File system (GFS) Any experiences with these?
>>
>> You're using Linux, then.  Definately go with xfs or
>> reiserfs.  xfs is probably better for large sites, it is
>> extremely fast and reliable especially if you tell it that
>> yes, it can hog a lot of memory.  Even in its standard
>> settings, it is much faster than ext3.
>>
>> You really, really should apply the linux stabilization
>> patches in Cyrus. Solaris doesn't appear to need them, but if
>> you experienced hangs, you are a top candidate to apply the patches.
>>
>> The debian packaged version has them all. I believe most
>> high-quality RPMs of Cyrus do as well (I am sure the Cyrus
>> RPM maintainer(s) will reply to you as well).  If you want to
>> apply them by hand, be my guest. They are scattered in CMU Bugzilla...
>>
>> > 2.  db3 or db4?  The previous server we have has some of the famous
>> > locker problems and other db4 problems (we believe).  Rob,
>> maybe you
>> > can bless the "official" db version to use. I am fine using db4,
>> > provided that people are successfully using it in production.
>>
>> Well, in my experience, db4 gives you nothing over (a very
>> well patched and
>> stabilized) db3.2.  So, I will continue to ship cyrus linked
>> against Debian's db3.2 for a while more.  So far, I have had
>> exactly zero problems with db 3.2.9 in Debian...
>>
>> --
>>   "One disk to rule them all, One disk to find them. One disk to bring
>>   them all and in the darkness grind them. In the Land of Redmond
>>   where the shadows lie." -- The Silicon Valley Tarot
>>   Henrique Holschuh
>>
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