SHMALL and SHMMAX

% of your memory (depending on if you are reading from oracle or db2) Any thoughts or comments that might shed some light on this? Thanks in advance, Deric Abel zLinux Administrator America First Credit Union -- For LINUX-390 subscribe

Clearing linux buffers and caches

to have any consequences to run it. My question for the list is: Is there any harm in running this command, and if not, what about setting it to run every hour or so in cron, therefore making sure that linux doesn't eat up any more memory then it needs to? Thanks, Deric Abel zLinux Administrator

Re: Multipathing/LVM problem (was: FCP LUN multipathing / filesystem problem)

: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Deric Abel Sent: Thursday, June 11, 2009 17:24 To: LINUX-390@VM.MARIST.EDU Subject: Re: FCP LUN multipathing / filesystem problem Justin, I had this same problem What is going on is, lvm using only one path, because of the way

Re: FCP LUN multipathing / filesystem problem

Justin, I had this same problem What is going on is, lvm using only one path, because of the way your lvm.conf is configured. These are the changes I made to solve this problem. - scan = [ /dev/ ] + scan = [ /dev/, /dev/mapper ] - filter = [r|/dev/.*/by-path/.*|, r|/dev/.*/by-id/.*|,

Re: FCP LUN multipathing / filesystem problem

To further explain. LVM when it loads up it sees duplicate PVs, because of the /dev/sda disks and your /dev/mapper multipath device. It uses the /dev/sd** disk instead of the /dev/mapper. By changing the filter to ignore /dev/sd* you prevent that from happening. Sorry, got a call and

Re: High interrupt rate

David, I just grabbed the kernel rpm from novell's site (since my guests don't have outside access) and applied the RPMs. That has solved my problem across the board, where an interrupt rate of 5000/sec was normal they are all now at 105 or less. Deric

Re: High interrupt rate

We are running sles10 sp2 not redhat, so I am not sure if this bug was in any of the red hat releases. The kernel that comes with sp2 was 2.6.16.60-0.21, and the most recent kernel for sp2 is 2.6.16.60-0.37 (remember that the number after the - is the rpm build/release version, so that will

High interrupt rate

Hi, I have an issue with one of my linux guests (sles10) where when we enable HADR with db2 the HADR db guest interrupt rate jumps from a few thousand to 300,000 per second. This causes the guest to be using 20-30% of one IFL, despite doing very little. Has anyone seen this issue before, or

Re: High interrupt rate

David Boyes dbo...@sinenomine.net 5/26/2009 9:14 AM Hi, I have an issue with one of my linux guests (sles10) where when we enable HADR with db2 the HADR db guest interrupt rate jumps from a few HADR? High Availability Disaster Recovery It's a DB2 process that replicates db's between servers

Re: High interrupt rate

Thanks everyone for your help! Based on everything I've read, I concluded to upgrade the kernel to 2.6.16.60-0.37. That has solve our issue. As for the db2fmcd process, I did not find that running nor in the /etc/inittab, so no changes were made there. Thanks again, Deric