My question/problem is that I noticed 2 servers in my environment vscsi is showing up as defined (not available) or is defined and not showing the path to both vscsi's when ruining lspath command. I am new to AIX admin, work alone, and work in an small environment. My question is, is it a need to make available? I know every LPAR should have redundancy, this is not urgent as this may of been like this since I started with this company a month ago, but i would like to understand this process/commands and how this could of happened. any help is greatly appreciated.
Please let me know if any other information maybe needed to support me on this.
#:/>lsdev -Cc adapter
ent0 Available Virtual I/O Ethernet Adapter (l-lan)
pkcs11 Available ACF/PKCS#11 Device
vsa0 Available LPAR Virtual Serial Adapter
vscsi0 Available Virtual SCSI Client Adapter
vscsi1 Available Virtual SCSI Client Adapter
Moderator's Comments:
edit by bakunin: i appreciate your effort of writing "code:" in front of all code portions, but this is not what we meant when asking for the use of "code tags". We meant that you mark some text portion, then use the button labeled "code" in the editors menu. This is how i corrected your post. Please do so in the future. Thank you.
You seem to lack a solid understanding how all the virtualisation works:
First you create a virtual SCSI adapter on the VIOS and allow a certain LPAR to use it. For the LPAR it is used like any physical SCSI adapter, save for the fact that it is just a software construct in the VIOS. You do this on the HMC (see here), then run cfgdev on the VIOS.
Next you create (virtual) SCSI-devices on the VIOS: see the command "mkvdev" on the VIOS for creating such devices. You create such a device by assigning a "backing device" (some disk space the VIOS can control) and connect it to a virtual SCSI adapter.
This means: take "hdisk10" on the VIOS and use it(s disk space) to create a virtual disk "vtdisk_lpar5", which is connected to a virtual SCSI adapter named "vhost5". If "vhost5" is connected to the "lpar 5" you can run the cfgmgr command there and the newly connected disk would appear.
Hi everybody,
I have Power5 server with 4 internal hdisks each of 70Gb.
VIOS server was installed via Virtual I/O Server Image Repository on the HMC.
HMC release - 7.7.0
VIOS rootvg installed on 2 disk(these disks merged to one storage pool during VIOS install process),and 2 others hdisks... (2 Replies)
Hello,
When I assigned CDROM from IVM (VIOS) to LPAR and then running cfgmgr i get the following message on the client lpar
#cfgmgr
cfgmgr: 0514-621 WARNING: The following device packages are required for device support but are not currently installed.
devices.vscsi.disk
searching... (0 Replies)
If you're familiar with vscsi mappings thru a VIO Server, you are probably aware, on an AIX 6.1 Client LPAR, that:
print cvai | kdbcan provide useful information to you.... like VIO Server name & vhost #. But, "cvai" does not appear to be part of the Kernel Debugger in AIX 5.3.
My question is... (3 Replies)
Hello,
I have a VIOS System and would like to do mapping some hdisks, hdisk160 until hdisk165 to a vSCSi Adapter. I try to do this in the oem_setup_env like the following:
for i in $(lspv | grep hdisk* | awk {'print $1'};
do
mkdev -V $i -p vhost20
done
There where a mapping with... (4 Replies)
Hi,
I want to change from vscsi to npiv. Is it possible to use both on the same adapter, so we can change the systems one by one, or must we place a second FC adapter in the VIO servers?
Thanks,
Ronald (2 Replies)
Hi All,
I'm preparing to migrate some servers from vscsi to pass-thru NPIV. I am planning to have the SAN team move the exact LUNs from vio1/vio2 to those two VWWN through NPIV.
My question is on the partition itself.. right now, let's say I have hdisk0/1/2/3/4 that are part of datavg. They... (2 Replies)
One of my zone is stuck in down state, not able to boot it or halt it .. not even detach .. is there any way to recover without rebooting the whole system ( global zone ) ? (3 Replies)
07-28-2015
