Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

> On Oct 30, 2016, at 7:31 PM, Paul R. Ganci wrote: > > Now the question is how did this happen. I've seen something similar when installing a kernel if /etc/fstab didn't match df. Mkinitrd bombs out leaving the system unbootable. The rescue .iso/mkinitrd path you followed

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

On 10/30/2016 03:05 PM, Eero Volotinen wrote: so, Just chroot to mountpoint: http://www.cyberciti.biz/faq/unix-linux-chroot-command-examples-usage-syntax/ chroot /mounted/path /bin/bash and then .. mkinitrd (see man page for documentation) Thank you for the hint. The way I fixed this

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

so, Just chroot to mountpoint: http://www.cyberciti.biz/faq/unix-linux-chroot-command-examples-usage-syntax/ chroot /mounted/path /bin/bash and then .. mkinitrd (see man page for documentation) 2016-10-30 22:57 GMT+02:00 Eero Volotinen : > A bit hard to say. Try

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

A bit hard to say. Try chrooting into environment and rebuilding initrd? -- Eero 2016-10-30 22:53 GMT+02:00 Paul R. Ganci : > On 10/30/2016 12:26 PM, Paul R. Ganci wrote: > >> I am thinking of putting the CentOS iso out and then booting the VM >> into it just to poke around

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

On 10/30/2016 12:26 PM, Paul R. Ganci wrote: I am thinking of putting the CentOS iso out and then booting the VM into it just to poke around the file system. Otherwise my other option is to just clone a twin VM on another server and then just change the networking IPs/hostname. Anybody have

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

You could mount image ja rebuild initrd. Eero 2016-10-30 20:26 GMT+02:00 Paul R. Ganci : > On 10/30/2016 07:33 AM, FrancisM wrote: > >> Any error in your host logs? >> > Nothing obvious. I checked /var/log/messages, /var/log/libvirt/qemu, > /var/log/libvirt/lxc &

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

On 10/30/2016 07:33 AM, FrancisM wrote: Any error in your host logs? Nothing obvious. I checked /var/log/messages, /var/log/libvirt/qemu, /var/log/libvirt/lxc & /var/log/qemu-ga. The /var/log/libvirt/lxc & /var/log/qemu-ga were empty. The /var/log/libvirt/qemu directory had a log file of

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

On 10/30/2016 06:57 AM, Steven Tardy wrote: On Oct 30, 2016, at 3:27 AM, Paul R. Ganci wrote: grub> set root=(hd0,msdos2) grub> linux (hd0,1)/vmlinuz-3.10.0-327.36.2.el7.x86_64 root=(hd0,msdos2)/ grub> initrd initrd-plymouth.img grub> boot Try the initrd matching the kernel

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

Any error in your host logs? On Sunday, 30 October 2016, Steven Tardy wrote: > > > On Oct 30, 2016, at 3:27 AM, Paul R. Ganci > wrote: > > > > grub> set root=(hd0,msdos2) > > grub> linux (hd0,1)/vmlinuz-3.10.0-327.36.2.el7.x86_64 >

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

> On Oct 30, 2016, at 3:27 AM, Paul R. Ganci wrote: > > grub> set root=(hd0,msdos2) > grub> linux (hd0,1)/vmlinuz-3.10.0-327.36.2.el7.x86_64 root=(hd0,msdos2)/ > grub> initrd initrd-plymouth.img > grub> boot Try the initrd matching the kernel?

Re: [CentOS] Disk near failure

Hi Yamaban, On Sun, 2016-10-30 at 11:10 +0100, Leonard den Ottolander wrote: > Still no argument to replace an existing working one... And as I asked > Valeri, can you please provide us with links indicating the poor quality > of Corsair SSDs (in general)? Well never mind that request, very

Re: [CentOS] Disk near failure

Hello Yamaban, On Thu, 2016-10-27 at 19:38 +0200, Yamaban wrote: > For my personal use I would replace that Drive asap. > - There is no warranty for it anymore (time since buy) I fail to see how that is relevant... If you lose your data because of a failing disk you lose your data. Whether or

Re: [CentOS] Disk near failure

Hello Valeri, On Fri, 2016-10-28 at 09:28 -0500, Valeri Galtsev wrote: > Amazing. He suggested you definitely reliable drive (Samsung). Reliable in > my boot too. You ask his opinion about yet another Corsair. One by Corsair > failed on you already. It did not. He asked whether it did but there

Re: [CentOS] Power Cut

On 10/30/2016 12:47 AM, Ned Slider wrote: On 30/10/16 07:11, Hadi Motamedi wrote: But the site is far remote and having alert on battery exhaustion can no longer help . As I said before , I am suspicious if it comes from frequent power cuts so seeking some means to distinguish it among the

Re: [CentOS] Power Cut

Thank you very much for your help. I have received plentiful helpful messages . Please consider this case as solved. Thank you again On Sun, Oct 30, 2016 at 12:47 AM, Ned Slider wrote: > On 30/10/16 07:11, Hadi Motamedi wrote: > >> But the site is far remote and having

Re: [CentOS] Power Cut

On 30/10/16 07:11, Hadi Motamedi wrote: But the site is far remote and having alert on battery exhaustion can no longer help . As I said before , I am suspicious if it comes from frequent power cuts so seeking some means to distinguish it among the system logs. Thank you in advance Your UPS

[CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

I have something very strange that occurred. After updating the kernel on my host CentOS 7 Dell 2950iii I have found that one of my CentOS 7 guest VMs will no longer boot... it just stops at the grub prompt (a second VM functions just fine). I have no idea why this problem occurred and have

Re: [CentOS] Power Cut

Thank you very much for your time . I got the point and it is a very helpful message . Thank you again On Sun, Oct 30, 2016 at 12:19 AM, John R Pierce wrote: > On 10/30/2016 12:02 AM, Hadi Motamedi wrote: > >> Thank you very much for your reply . So you mean under the >>

Re: [CentOS] Power Cut

On 10/30/2016 12:02 AM, Hadi Motamedi wrote: Thank you very much for your reply . So you mean under the /var/log/messages it is distinguishable that which logs come from operator initiated reboot and which ones come from sudden power cut and then booting from scratch when power resumed ? Am I

Re: [CentOS] Power Cut

But the site is far remote and having alert on battery exhaustion can no longer help . As I said before , I am suspicious if it comes from frequent power cuts so seeking some means to distinguish it among the system logs. Thank you in advance On Sun, Oct 30, 2016 at 12:08 AM, Mike Mohr

Re: [CentOS] Power Cut

If your battery backup can handle 2 hours of runtime then it almost certainly has a network management interface. Why aren't you using it to send alerts? On Oct 30, 2016 12:05 AM, "Hadi Motamedi" wrote: > Thank you for your reply. You are correct and the ups is present

Re: [CentOS] Power Cut

Thank you for your reply. You are correct and the ups is present there but the battery charger can no longer bear power cuts more than two hours so I need some means to distinguish frequent power cuts there among the system logs. On Sun, Oct 30, 2016 at 12:02 AM, Eero Volotinen

Re: [CentOS] Power Cut

Thank you very much for your reply . So you mean under the /var/log/messages it is distinguishable that which logs come from operator initiated reboot and which ones come from sudden power cut and then booting from scratch when power resumed ? Am I correct ? On Sat, Oct 29, 2016 at 11:44 PM,

Re: [CentOS] Power Cut

you could use smart ups and connect information from it to system, so it can shutdown system in clean way. Eero 2016-10-30 7:12 GMT+02:00 Hadi Motamedi : > Dear All > I am using a centos server for cdr billing and mediation device on a remote > network. I am experiencing

Re: [CentOS] Power Cut

On 10/29/2016 10:12 PM, Hadi Motamedi wrote: I am using a centos server for cdr billing and mediation device on a remote network. I am experiencing problem that I am suspicious it comes from main supply power cut at the remote site. The power supply to the remote site comes from battery charger