Description of problem:
After expanding a cciss hw raid array with new disks, the new disc size is visible in Linux, but the kernel doesn't update its understanding of physical volume size, not even triggered manually via cciss driver.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Expand cciss disks with hpacucli
2. echo "rescan" > /proc/drivers/cciss/cciss0
3. error is given
Cannot on-line pvresize the block device.
# echo "rescan" > /proc/driver/cciss/cciss0
-bash: echo: write error: Invalid argument
Rebooting the system makes expanded disks visible.
working pvresize, lvextend, etc.
This is a centos 5 box. p800 controller.
Confirm this bug for Red Hat Enterprise Linux Server release 5.5 (Account #1292125).
2.6.18-194.8.1.el5 #1 SMP Wed Jun 23 10:52:51 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux.
Also confirmed on CentOS 5 2.6.18-194.26.1.el5 x86_64 Smart Array P400/Hardware Revision: Rev D/Firmware Version: 7.22.
2.6.18-194.26.1.el5 #1 SMP Tue Nov 9 12:54:20 EST 2010 x86_64 x86_64 GNU/Linux
It has been some time since this BZ was updated and both customer cases are closed. If this is still an issue please open a case with Red Hat Support. Closing NOTABUG.
Which 'customer cases'? I've not opened any customer case about this nor any of such has been closed.
You claim that this is not a bug. Could you please elaborate that?