[systemd-devel] Question about what systemd-udevd will do for a new scsi partition

[Luyao Huang]

Dear list,

I met a problem that looks like systemd-udevd will make a new scsi disk partition (like /dev/sdb1)
disappear in a few time. This problem makes libvirt cannot lstat the new scsi disk for a period.
(you can check this link https://bugzilla.redhat.com/show_bug.cgi?id=1264719).
And we wrote a script to verify this problem and finally find if we stop systemd-udevd, this will not happen.

Could you please give me some help and tell me what systemd-udevd does to a new scsi disk partition
making scsi disk partition disappear in a few time? Thanks in advance for your reply.

And the attachment is the script we have used to check if that scsi device will disappear.

BR,
Luyao
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