On Thu, 22 Apr 2010, Andreas Höschler wrote:
we are encountering severe problems on our X4240 (64GB, 16 disks) running
Solaris 10 and ZFS. From time to time (5-6 times a day)
• FrontBase hangs or crashes
• VBox virtual machine do hang
• Other applications show rubber effect (white screen) while moving the
windows
I have been tearing my hair off where this comes from. Could be software
bugs, but in all these applications from different vendors? Could be a
Solaris bug or bad memory!? Rather unlikely. I just was hit by a thought. On
I see that no one has responded yet. You are jumping to conclusions
that zfs and its memory usage is somehow responsible for the problem
you are seeing.
The problem could be due to a faulty/failing disk, a poor connection
with a disk, or some other hardware issue. A failing disk can easily
make the system pause temporarily like that.
As root you can run '/usr/sbin/fmdump -ef' to see all the fault events
as they are reported. Be sure to execute '/usr/sbin/fmadm faulty' to
see if a fault has already been identified on your system. Also
execute '/usr/bin/iostat -xe' to see if there are errors reported
against some of your disks, or if some are reported as being
abnormally slow.
You might also want to verify that your Solaris 10 is current. I
notice that you did not identify what Solaris 10 you are using.
another machine with 6GB RAM I fired up a second virtual machine (vbox). This
drove the machine almost to a halt. The second vbox instance never came up. I
finally saw a panel raised by the first vbox instance that there was not
enough memory available (non severe vbox error) and the virtual machine was
halted!! After killing the process of the second vbox I could simply press
resume and the first vbox machine continued to work properly.
Maybe you should read the VirtualBox documentation. There is a note
about Solaris 10 and about how VirtualBox may fail if it can't get
enough contiguous memory space.
Maybe I am lucky since I have run three VirtualBox instances at a time
(2GB allocation each) on my system with no problem at all.
Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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