Bart Van Assche wrote:
On Wed, Mar 12, 2008 at 12:03 AM, Daniel Pocock <[EMAIL PROTECTED]> wrote:
I've recently set up the SRP target module on Linux (2.6.22).
Trying to access the target from various initiators (Fedora, Debian,
Solaris 10, VMWare ESX 3.5) gives mixed results.
The Linux clients, despite having limited configuration tools, worked
immediately.
I've opened a thread on the Sun forums to discuss the Solaris 10 issue:
http://forum.java.sun.com/thread.jspa?threadID=5273631
On VMware:
- I had to reboot my new VMware ESX server a few times before it found
my 500GB target.
- VMWare completely rejects a target if it doesn't have a partition
table - I ran parted on Linux and then VMWare was OK
- Also, the messages in VMWare gave me the impression it would clobber
the whole volume, rather than just a single partition - so to avoid the
possibility of losing my other partitions, I made a special target
representing the intended partition rather than the entire volume. Now
I have a VMware partition table nested within a partition.
- VMware only seems to show one target at a time - I had created a few
test targets, but I could only see one of them. Is this what other
people see? ibsrpdm on the other Linux hosts shows all the targets.
My experience with SRP is as follows (with Linux 2.6.24 + SCST + SRPT
as target):
* Linux SRP initiator: works perfectly.
* OpenSolaris SRP initiator: I could not get Sun's SRP initiator
working on OpenSolaris. I even asked a Solaris expert to help me, but
he couldn't get the SRP initiator working either.
* VMware ESX 3.5 + Mellanox InfiniBand drivers (released in January
2008): until now I only have tested a setup with a single target. When
doing a lot of I/O over the SRP connection, after about 10 minutes the
virtual machine running on VMware starts logging communication errors.
I reported this yesterday to Mellanox support, and Mellanox is
currently working on this issue. Note: I had to upgrade the InfiniBand
switch firmware before the ESX server was able to find the SRP target.
Which mode of virtual disk did you use (rmd, rdmp, vmfs, raw)?
Could you provide Mellanox FAE both VM /var/log/messages and
esx's /var/log/vmkernel?
I'll look over them
-vu
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