06-10-2008
Configurin EMC SAN disks on AIX
This may sound like an absolute rookie question, and it is.
I have been working on Migrating our HP and Solaris servers to the new EMC SAN and know the routines backwards.
Now we've suddenly got a new IBM server and I don't even know how to check if it is connected to the switch.
Can someone give me detailed instructions - or a doc reference - on how to configure the FC?
Hopefully after that it will be smooth sailing with the EMC naviagent and power path software.
It is a system P6 running AIX 5.3.
I have connected the fibre cable between the server and the switch, and the switch port is active and saying "In_Sync"
9 More Discussions You Might Find Interesting
1. Linux
Hi
I have a linux box attched to a SAN storage from EMC with RAID 5 .I understand that it has 3g cache howver a 20gb file creation takes too much time here are my results any ideas why
time dd if=/dev/zero of=disk.img bs=1048576 count=20000
20000+0 records in
20000+0 records out
997.59s... (2 Replies)
Discussion started by: xiamin
2 Replies
2. Solaris
First time writer....take it easy on me.
I had a situation where I lost all paths to EMC disk. There was a failure on the EMC frame. After that was repaired, my server had a difficult time reclaiming all disks and veritas had marked the disks as failed. Veritas was confused. What are some of... (3 Replies)
Discussion started by: Sowser
3 Replies
3. Solaris
Hi everyone,
I wonder if I can canvas any opinions or thoughts (good or bad) on SAN attaching a SUN V880/490 to an EMC Clarion SAN?
At the moment the 880 is using 12 internal FC-AL disks as a db server and seems to be doing a pretty good job. It is not I/O, CPU or Memory constrained and the... (2 Replies)
Discussion started by: si_linux
2 Replies
4. Solaris
Hi, I'm having a problem when attempting to define the OCR location for my 10g RAC setup on Solaris 10. I get the following error:
The specified shared raw partition /dev/did/rdsk/d1s0 may not have the correct permission. Verify that the partition is owned by Oracle user.
As per the Oracle10g... (15 Replies)
Discussion started by: michael.chow
15 Replies
5. Solaris
Hi,
I have a nasty little problem with my disks on my system
My system configuration is as follows
Sunv890 with sunos 9 connected tot a IBM6800 SAN using a 2port 2 GB qla2342 adapter.
We have bought a EMC SAN. The company who sold us the san, said that it would be no problem connecting the... (10 Replies)
Discussion started by: orac
10 Replies
6. UNIX for Dummies Questions & Answers
Hello everybody,
I'm using the binary inqraid (Linux RHEL) in order to retrieve information about SAN disks. The questions are:
Given an LDEV, how do I know if the SAN disk related to this LDEV is being used by the OS? I mean, how can I demonstrate to "Storage department" that all disks of... (4 Replies)
Discussion started by: asanchez
4 Replies
7. Red Hat
Hello,
How can I identify SAN disks not in use by the OS?
Thank you. (8 Replies)
Discussion started by: asanchez
8 Replies
8. AIX
HI, I have had an issue last night while trying to extend a filesystsem . chvg -g <vg> command cameback with an error
0516-1790 chvg: Failed bootinfo -s hdisk9.
Ensure the physical volume is available and try again.
0516-732 chvg: Unable to change volume group u01vg.
the VG has 1... (1 Reply)
Discussion started by: xmen01
1 Replies
9. Solaris
Hi All,
I have server : Sun-Fire-V490 configured with Solaris 10 zfs
..
and I have configured three mirror the third one from EMC
storage.
root@server # zpool status -v
pool: rpool
state: ONLINE
status: The pool is formatted using an older on-disk format. The pool can
... (8 Replies)
Discussion started by: top.level
8 Replies
LEARN ABOUT CENTOS
radrelay
RADRELAY(8) FreeRADIUS Daemon RADRELAY(8)
NAME
radrelay -- Deprecated command.
DESCRIPTION
The functions of radrelay have been added to radiusd. One benefit is that one instance of radiusd can read multiple detail files, among
others.
The rlm_sql_log module does something similar, but for SQL queries. See it's man page for details.
REPLICATION FOR BACKUPS
Many sites run multiple radius servers; at least one primary and one backup server. When the primary goes down, most NASes detect that and
switch to the backup server.
That will cause your accounting packets to go the the backup server - and some NASes don't even switch back to the primary server when it
comes back up.
The result is that accounting records are missed, and/or the administrator must jump through hoops in order to combine the different detail
files from multiple servers. It also means that the session database ("radutmp", used for radwho and simultaneous use detection) gets out
of sync.
We solve this issue by "relaying" packets from one server to another, so they both have the same set of accounting data.
See raddb/sites-available/buffered-sql for more information.
BUFFERING FOR HIGH-LOAD SERVERS
If the RADIUS server suddenly receives a many accounting packets, there may be insufficient CPU power to process them all in a timely man-
ner. This problem is especially noticable when the accounting packets are going to a back-end database.
Similarly, you may have one database that tracks "live" sessions, and another that tracks historical accounting data. In that case,
accessing the first database is fast, as it is small. Accessing the second database many be slower, as it may contain multiple gigabytes
of data. In addition, writing to the first database in a timely manner is important, while data may be written to the second database with
a few minutes delay, without any harm being done.
See raddb/sites-available/copy-to-home-server for more information.
SEE ALSO
radiusd(8), rlm_sql_log(5)
AUTHOR
The FreeRADIUS Server Project
23 October 2007 RADRELAY(8)