On Fri, 01 May 2015 14:11:18 -0600 jd1008 <jd1...@gmail.com> wrote:

> 
> 
> On 05/01/2015 01:10 PM, Manfred Lotz wrote:
> > On Fri, 17 Apr 2015 13:55:19 -0600
> > jd1008 <jd1...@gmail.com> wrote:
> >
> >> Would appreciate some timelines on this problem.
> > I had the same problem for quite some time (don't know exactly when it
> > started).
> >
> > After some google-searching today I found an advice to add resume
> > parameter in /etc/defaults/grub.
> >
> > It should be appended in the line starting with GRUB_CMDLINE_LINUX
> >
> >
> > Here an example how it is on my system:
> >
> > GRUB_CMDLINE_LINUX="rd.md=0
> > rd.luks.uuid=luks-4561626f-0890-441b-9afb-8947e6f39b24
> > rd.lvm.lv=vg2/swap rd.dm=0 rd.lvm.lv=rootvg/root
> > $([ -x /usr/sbin/rhcrashkernel-param ] && /usr/sbin/rhcrashkernel-param
> > || :) vconsole.keymap=en-latin9 rhgb quiet resume=/dev/vg2/swap"
> >
> >
> > Then sudo grub2-mkconfig > /boot/grub2/grub.cfg and reboot.
> >
> > I did only 1 test but it worked whereas before it did *not* work each
> > time I tried.
> >
> >
> >
> I did add
> resume=/dev/sda4 resume=/dev/sdb4
> 
> but it did not work.
> Someone told me that if I have 2 swap devices I have
> to specify them in the correct order.
> It is not clear to me what order that is, nor
> have I seen an example where the swap space is on
> 2 devices.
> I have :
> $ swapon -s
> Filename                                Type            Size Used    
> Priority
> /dev/sda4                               partition       8388308 0       -1
> /dev/sdb4                               partition       8370244 0       -2
> 
> I have 8GB RAM.
> So, when I S2D (hibernate), which swap device ends up
> being used for the full RAM image?
> One of them?
> Both of them?
> 
> If both, how do I specify that on the GRUB_CMDLINE_LINUX ?

I don't know the answer to your question nor do I know enough on the subject to 
know about the utility of having two swap devices. But (as I asked before), 
what is the device UUID? sudo blkid should have the infomation.

Ranjan

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