On Sun, Aug 1, 2010 at 8:06 PM, Robert Heller <heller@xxxxxxxxxxxx> wrote: > At Sun, 01 Aug 2010 19:10:47 -0400 CentOS mailing list <centos@xxxxxxxxxx> wrote: >> Tom H wrote: >> > On Sun, Aug 1, 2010 at 1:28 PM, Edward Diener <eldiener@xxxxxxxxxxxxxx> wrote: >> >> When I boot CentOS 5.5, I receive the message: >> >> >> >> Unable to access resume device ( UUID = some UUID etc. ) >> >> >> >> How do I find out what actual device to which this UUID refers ? It does >> >> not appear to be a block device since it does not show when I try 'blkid'. >> >> To what does "resume device" refer ? >> >> >> >> The boot succeeds but I would like to know what this messages means. >> > >> > UUID?! "resume" must be set to that UUID in /init in your initrd. >> > Updating/recreating your initrd should fix this problem. >> >> How does one "update/recreate" the initrd image ? > > mkinitrd -f /boot/initrd-`uname -r`.img `uname -r` >> >> Why would initrd hard-code a partition UUID ? If the UUID changes, which >> it has in my case when I had to move and reformat the swap partition, >> then the initrd image is now wrong. > > It might also depend on what you have for kernel command line parameters > and/or what /etc/fstab looks like and/or what your hibernate/resume > config looks like. I believe it is possible for these things to use > more 'symbolic' things (like LABEL= for example [yes, mkswap can label a > swap partition]). > > mkinitrd looks in various places to figure out what the swap partition > is 'called' and is probably falling back to the UUID as the fallback > choice. mkinitrd looks for swap in fstab to get the resume partition and swap doesn't *_usually_* change, whether defined using LABEL or UUID. _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos