Hi, this is maybe a udev bug, but it affected me when I was creating a
lv in a cluster, so it could help some with this configuration.
When I added some scsi disk (SAN) to the cluster nodes (more than 64
SCSI devices), udev created the device node for capi20 instead of sdbm.
This produced a bad behavior in lvm when I was trying to create the
vg's and lv's, it started to give errors like:
Error locking on node node-06: Internal lvm error, check syslog
Error locking on node node-05: Internal lvm error, check syslog
Error locking on node node-04: Internal lvm error, check syslog
Error locking on node node-01: Internal lvm error, check syslog
Error locking on node node-02: Internal lvm error, check syslog
Error locking on node node-03: Internal lvm error, check syslog
Failed to activate new LV.
When I commented out this lines
SYSFS{dev}="68:0", NAME="capi20"
SYSFS{dev}="191:[0-9]*", NAME="capi/%n"
KERNEL=="capi*", MODE="0660"
in /etc/udev/rules.d/50-udev.rules, everything worked again.
I hope this could help,
German Staltari
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