Hi all,
Hope you are all doing well...
I had a problem on creating 9th domain in my system.
I am using Cent-OS 3.4 and xen-2.0.6.. Obviously it's a loop back
device mount issue. I have my grub.conf entry as follows
title Xen-2.6
root (hd0,0)
kernel /xen.gz dom0_mem=65536
module /vmlinuz-2.6.11.10-xen0 root=/dev/hda6 ro console=tty0 max_loop=256
ls -l /dev/loop*
brw-rw---- 1 root disk 7, 0 Sep 9 2004 /dev/loop0
brw-rw---- 1 root disk 7, 1 Sep 9 2004 /dev/loop1
brw-rw---- 1 root disk 7, 10 Sep 9 2004 /dev/loop10
brw-rw---- 1 root disk 7, 11 Sep 9 2004 /dev/loop11
brw-rw---- 1 root disk 7, 12 Sep 9 2004 /dev/loop12
brw-rw---- 1 root disk 7, 13 Sep 9 2004 /dev/loop13
brw-rw---- 1 root disk 7, 14 Sep 9 2004 /dev/loop14
brw-rw---- 1 root disk 7, 15 Sep 9 2004 /dev/loop15
brw-rw---- 1 root disk 7, 2 Sep 9 2004 /dev/loop2
brw-rw---- 1 root disk 7, 3 Sep 9 2004 /dev/loop3
brw-rw---- 1 root disk 7, 4 Sep 9 2004 /dev/loop4
brw-rw---- 1 root disk 7, 5 Sep 9 2004 /dev/loop5
brw-rw---- 1 root disk 7, 6 Sep 9 2004 /dev/loop6
brw-rw---- 1 root disk 7, 7 Sep 9 2004 /dev/loop7
brw-rw---- 1 root disk 7, 8 Sep 9 2004 /dev/loop8
brw-r--r-- 1 root root 7, 9 Jun 25 21:00 /dev/loop9
I created a sparse filesystem and tried to mount that on loop back device
[root@guava looptest]# mount -o loop root_fs loop1/
mount: could not find any free loop device
[root@guava looptest]# mount -o loop=/dev/loop9 root_fs loop1/
ioctl: LOOP_SET_FD: Device or resource busy
Can anybody help me to sort out this issue.... We have another system
with cent-OS 3.5 with only 3 domains. I tested that server by creating
10 filesystems and mounting them on loop back devices and found no
problem on mounting more that 8. I also tested that with a fedora-core3
machine and found no problem. So in this situation what is likely to be
haunting this machine... I need a quick a reply since we are using xen
in a production environment...
Thanks once again
Sadique
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