Re: Extend Lun (using LVM)

2010-07-30 Thread Scott Rohling
Completely agree - just add another LUN - as you say - too much hassle and risk to get into resizing existing ones unless there is a really compelling reason. Scott Rohling On Fri, Jul 30, 2010 at 1:10 PM, Mark Post wrote: > >>> On 7/30/2010 at 07:59 AM, Rogério Soares > wrote: > > Hi Mark, > >

Re: Extend Lun (using LVM)

2010-07-30 Thread Rogério Soares
About the risk i completely agree with you.. but, storage guys have some strange delirius some way.. maybe to justify the power of your storages... after all, if the storage don't have extents pools avaiable, there is no way except create another lun... Thanks for all again! On Fri, Jul 30, 2010

Re: Extend Lun (using LVM)

2010-07-30 Thread Mark Post
>>> On 7/30/2010 at 07:59 AM, Rogério Soares wrote: > Hi Mark, > > I'm using Sles 10 SP3 If the device you're trying to resize is multipathed, that isn't supported until SLES11. If it is not multipathed, you should be able to: - partprobe - fdisk -- delete the partition table -- create a new

Re: Attach OSA express3 to a guest

2010-07-30 Thread Mark Post
>>> On 7/30/2010 at 08:30 AM, "van Sleeuwen, Berry" wrote: > Hi Mark, > > It didn't work after we setup with "QETH_PORTNO=1". To verify I tried to > enable port 1 online as descibed in the Device driver manual. That did > the trick. So we can use port1 on the OSA. But once we reboot the > linuxg

Re: DB2 direct i/o question

2010-07-30 Thread Barton Robinson
But, Oracle is VERY virtual friendly, and DB2 is VERY virtual HOSTILE. From a system performance perspective, I REALLY LIKE Oracle. Mark Post wrote: On 7/30/2010 at 12:03 PM, Marcy Cortes wrote: Does this make Oracle a better fit on Linux on z than DB2? That depends on how much you care abou

Re: DB2 direct i/o question

2010-07-30 Thread Marcy Cortes
Mark wrote: >That depends on how much you care about newer versions being certified >sometime within your life time. Very good point. That's a concern too. Marcy -- For LINUX-390 subscribe / signoff / archive access instructi

Re: DB2 direct i/o question

2010-07-30 Thread Mark Post
>>> On 7/30/2010 at 12:03 PM, Marcy Cortes >>> wrote: > Does this make Oracle a better fit on Linux on z than DB2? That depends on how much you care about newer versions being certified sometime within your life time. Mark Post ---

Re: DB2 direct i/o question

2010-07-30 Thread Marcy Cortes
Klaus wrote: "This is a DB2 limitiation which others, e.g. Oracle on zLinux, do not have." Yes. What is up with that IBM? Does this make Oracle a better fit on Linux on z than DB2? Marcy -- For LINUX-390 subscribe / signoff

Re: Strange zfcp problem on Redhat V5R2

2010-07-30 Thread Sterling James
On 7/30/2010 at 12:15 AM, Offer Baruch wrote: >> Well, I always build the volume group from the multipath devices but >> sometimes I still see duplicates when I pvscan... >> What is the solution? Is there a way to exclude the /dev/sdx from lvm? > >You would need to change the filter statemen

Re: Attach OSA express3 to a guest

2010-07-30 Thread van Sleeuwen, Berry
Hi Mark, It didn't work after we setup with "QETH_PORTNO=1". To verify I tried to enable port 1 online as descibed in the Device driver manual. That did the trick. So we can use port1 on the OSA. But once we reboot the linuxguest will be using port0 again. How can we make sure it is correctly conf

Re: Extend Lun (using LVM)

2010-07-30 Thread Rogério Soares
Hi Mark, I'm using Sles 10 SP3 On Thu, Jul 29, 2010 at 2:05 AM, Mark Post wrote: On 7/28/2010 at 01:15 PM, Rogério Soares wrote: >> Hello again listeners, >> >> >>     I look on list history for this, but i find only information about >> extend lun without lvm... >> >>  someone have some

Re: DB2 direct i/o question

2010-07-30 Thread Klaus Bergmann
On Mon, 26 Jul 2010 10:17:51 -0500 Marcy Cortes wrote "After reading some more, it turns out you cannot do direct i/o on linux for z if you are using ECKD dasd, only FCP." This is a DB2 limitiation which others, e.g. Oracle on zLinux, do not have. Klaus Bergmann --