[Bug 644489] Re: constantly changes /dev/disk/by-id/{scsi, wwn}-* LUN symlinks with multipathing

[John Morrissey]

Here are the udevd syslogs corresponding to the multipathd verbose logs
in #9.

I also ran udevd with --debug; the debug output is attached and the
corresponding syslogs are far below.

Apr  8 23:10:44 pxe-237 udevd-work[3952]: symlink(../../sda, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp) failed: File exists
Apr  8 23:12:39 pxe-237 udevd-work[16908]: symlink(../../sdb, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp) failed: File exists
Apr  8 23:15:44 pxe-237 udevd-work[6774]: rename(/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273) failed: No such file or directory
Apr  8 23:16:20 pxe-237 udevd-work[29981]: rename(/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273) failed: No such file or directory
Apr  8 23:16:56 pxe-237 udevd-work[11388]: symlink(../../sdd, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp) failed: File exists
Apr  8 23:16:58 pxe-237 udevd-work[8246]: rename(/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273) failed: No such file or directory
Apr  8 23:16:59 pxe-237 udevd-work[8246]: symlink(../../sdb, /dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273.udev-tmp) failed: File exists
Apr  8 23:17:00 pxe-237 udevd-work[8246]: rename(/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273) failed: No such file or directory

Apr 12 23:37:59 pxe-237 udevd-work[6391]: rename(/dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273) failed: No such file or directory
Apr 12 23:37:59 pxe-237 udevd-work[6399]: symlink(../../sdc, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp) failed: File exists
Apr 12 23:37:59 pxe-237 udevd-work[6399]: symlink(../../sdc, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp) failed: File exists
Apr 12 23:37:59 pxe-237 udevd-work[6399]: symlink(../../sdc, /dev/disk/by-id/wwn-0x60a98000486e5339576f5336524d5273.udev-tmp) failed: File exists
Apr 12 23:37:59 pxe-237 udevd-work[6395]: symlink(../../sdb, /dev/disk/by-id/scsi-360a98000486e5339576f5336524d5273.udev-tmp) failed: File exists


** Attachment added: "udevd-debug.gz"
   https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/644489/+attachment/2027325/+files/udevd-debug.gz

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https://bugs.launchpad.net/bugs/644489

Title:
  constantly changes /dev/disk/by-id/{scsi,wwn}-* LUN symlinks with
  multipathing