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Thank you very much!

I solved this problem yesterday.

Yes, the status of disks being not right cause this problem!

hi, dear all

I get a problem "VCS ERROR V-16-2-13077 " on VCS 4.1 for Solaris 10.

I can not offline the host2 when the raid is bad.

I don't know the reason and how to offline host2...

Can anybody help me?
Thanks!

hi, dear all

Now I have a problem on the minor number of device.

I have many sd disks. The sd driver will create many minor numbers for these disks when attached.
But the sd driver may be...

You are right. The performance is normal with 1M IO operations.

While, the problem is that the performance is bad with 512 bytes compared with the one without our virtual HBA dirver.

The...

Thank you for your replies!


the result with running vdbench with 1MB IO :

Jun 22, 2011 interval i/o MB/sec bytes read resp resp resp cpu% cpu%
rate 1024**2 i/o pct time max stddev sys+usr...

the output from "iostat -sndzx 1" is shown as below:


-bash-3.00# iostat -sndzx 1
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
0.2 0.8 3.6 3.6 0.0 0.0...

I have written a virtual HBA driver named "xmp_vhba". A scsi disk is attached on it. as shown below:

xmp_vhba, instance #0
disk, instance #11

But the performance became very bad...