e-mail technical coordinators meeting steve siirila august 9, 2006
DESCRIPTION
Other server problems Web hotel outage 7/13 ( ) Web hotel outage 7/13 ( ) 4 failing V210 power supplies as of 7/14 4 failing V210 power supplies as of 7/14 Lyris out-of-swap condition 7/19 Lyris out-of-swap condition 7/19 Webmail server crashed due to a failing SCSI drive 7/27 ( ) Webmail server crashed due to a failing SCSI drive 7/27 ( ) 6 non-fatal RAID/mirrored SCSI drive failures 6 non-fatal RAID/mirrored SCSI drive failures 2 non-fatal mirrored IDE drive errors 2 non-fatal mirrored IDE drive errorsTRANSCRIPT
E-mail Technical E-mail Technical Coordinators MeetingCoordinators Meeting
Steve SiirilaSteve Siirila
August 9, 2006
E-mail server outagesE-mail server outages Intermittent IMAP connectivity on red Intermittent IMAP connectivity on red
cluster due to Solaris 10 inetd problems cluster due to Solaris 10 inetd problems 7/17 (0911-1211, 1733-1838)7/17 (0911-1211, 1733-1838)
Out-of-memory/swap condition on red Out-of-memory/swap condition on red cluster 7/31 (0851-1200)cluster 7/31 (0851-1200)
SAN hardware failures in St. Paul caused SAN hardware failures in St. Paul caused problems on diamond, ruby, and sapphire problems on diamond, ruby, and sapphire 8/3 (1538-1811)8/3 (1538-1811)
OS panic on red cluster 8/8 (1228-1307)OS panic on red cluster 8/8 (1228-1307)
Other server problemsOther server problems Web hotel outage 7/13 (1049-2116)Web hotel outage 7/13 (1049-2116) 4 failing V210 power supplies as of 7/144 failing V210 power supplies as of 7/14 Lyris out-of-swap condition 7/19Lyris out-of-swap condition 7/19 Webmail server crashed due to a failing Webmail server crashed due to a failing
SCSI drive 7/27 (0905-1058)SCSI drive 7/27 (0905-1058) 6 non-fatal RAID/mirrored SCSI drive 6 non-fatal RAID/mirrored SCSI drive
failuresfailures 2 non-fatal mirrored IDE drive errors2 non-fatal mirrored IDE drive errors
E-mail Server E-mail Server ClusteringClustering Currently one cluster (red) Currently one cluster (red)
configured with 22K usersconfigured with 22K users Consists of two Sun T2000 Consists of two Sun T2000
servers (amethyst, emerald)servers (amethyst, emerald) Awaiting additional memoryAwaiting additional memory Sun V890 (peridot) currently Sun V890 (peridot) currently
being introduced into this clusterbeing introduced into this cluster
GopherMail UpdatesGopherMail Updates New updates to be available by 9/5:New updates to be available by 9/5:
– Ability to compose a message in a new Ability to compose a message in a new windowwindow
– Embedding of address book and LDAP Embedding of address book and LDAP functions into compose screenfunctions into compose screen
– Improved accessibilityImproved accessibility– Streamlined look-and-feelStreamlined look-and-feel– Other non-visible improvements/fixesOther non-visible improvements/fixes
Total IMAP Users (Mar 16 - Aug 7)
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
Date
Num
ber o
f Use
rsWebmail Pro+3.0 UsersGopherMail UsersOther Users
Total IMAP Connections (Mar 16- Aug 7)
0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
1,400,000
1,600,000
Date
Num
ber o
f Con
nect
ions
Webmail Pro+3.0 Connections
GopherMail Connections
Other Connections
Incoming Email Statistics (Past 12 Months)
0.0
1.2
2.4
3.6
4.8
6.0
7.2
8.4
9.6
10.8
12.0
Week Ending
Mill
ions
of M
essa
ges
BlockedUnknown userGreylist/Ratelim (4xx)AcceptedOther
Incoming Email Statistics (July 10 - August 6)
User Inactive0.4%
Blocked35.8%
Relay Denied0.5% Greylist/Ratelim
(4xx)26.5%
Accepted23.8%
User allowed0.3%
Unknown user12.7%
Messages Blocked By Reason (Past 12 Months)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Week Ending
Mill
ions
of M
essa
ges
Blo
cked
Spam source Dynamic Insecure Protocol Violation DNS
Messages Blocked by Reason (July 9 - August 6)
Dynamic10,715,823
57.3%
Insecure3,414,530
18.2%
Protocol Violation108,634
0.6%
Spam source3,386,677
18.1%
DNS1,059,593
5.7%
Bad mail from26,2410.1%
DNS Block List Distribution (July 2006)
0%
5%
10%
15%
20%
25%
DNS Block List
Perc
enta
ge o
f Mes
sage
s Ta
gged
Viruses Detected (Past 12 months)
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
180,000
200,000
8/15 9/15 10/15 11/15 12/15 1/15 2/15 3/15 4/15 5/15 6/15 7/15
Week Ending
Viru
ses
Det
ecte
d
Bits ‘N BytesBits ‘N Bytes Welcome Mike Neuharth to Welcome Mike Neuharth to
OIT/IS!OIT/IS! Beginning in September, the Beginning in September, the
meeting Twin Cities location will meeting Twin Cities location will be St. Paulbe St. Paul
‘‘Till next month…Till next month… Steve SiirilaSteve Siirila [email protected]@umn.edu 612-626-0244612-626-0244
Chris BongaartsChris Bongaarts [email protected]@umn.edu 612-625-1809612-625-1809