Displaying 4 results from an estimated 4 matches for "mpath1".
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mpath
2007 Apr 15
1
Multipath-root (mpath) problems with CentOS 5
...v/sdd
And now after rebooting the system, root device multipath (mpath0) doesn't
work anymore.. initrd seems to use/mount /dev/sda* partitions instead of mpath0
device. In fact the whole mpath0 is not started up.
The weird thing is that the other LUN is now using multipathing instead..
using mpath1 device.
How can I fix that? I'd like to use multipathing for both LUNs, also for root
device.
If I regenerate initrd with verbose flag, it just sets up the mpath1, not
mpath0. I guess that's because mpath0 is not running when regenerating
initrd.
I have edited /etc/multipath.conf and...
2009 Oct 27
1
/etc/rc.local and /etc/fstab
...9;t
# want to do the full Sys V style init stuff.
touch /var/lock/subsys/local
modprobe hangcheck-timer hangcheck_tick=1 hangcheck_margin=10
hangcheck_reboot=1
mount -t ocfs2 -o datavolume,nointr,_netdev,noatime /dev/mapper/mpath0
/u02
mount -t ocfs2 -o datavolume,nointr,_netdev /dev/mapper/mpath1 /u03
Thanks!
-Reid
Reid McKinley
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2008 Feb 26
0
mapper device perms on reboot
...permissions | grep mapper
mapper/mpath*:oracle:dba:0660
But it did not seem to work...
# ls -l /dev/mapper/mpath*
brw-rw---- 1 root disk 253, 2 Feb 26 20:56 /dev/mapper/mpath0
brw-rw---- 1 root disk 253, 5 Feb 26 20:56 /dev/mapper/mpath0p1
brw-rw---- 1 root disk 253, 3 Feb 26 20:56 /dev/mapper/mpath1
brw-rw---- 1 root disk 253, 4 Feb 26 20:56 /dev/mapper/mpath1p1
Am I doing something wrong? Is there another way to do this?
Thanks,
Scott
2008 Jan 31
2
ISCSI help
I am fairly new to ISCSI and SAN technology but having recently invested
in the technology I am trying to find out exactly what can and can not
be manipulated, filesystem wise, without requiring a reboot. I am using
the inbuilt software ISCSI initiator and multipathing in CentOS 5.1.
My steps so far.
Create 10GB volume on SAN
# iscsiadm -m session -R
# fdisk /dev/mapper/mpath0
# kpartx -a