Based on our recent experience, I would agree. Imagine applying an RSU
to a bunch of VM systems and then have them systematically die with file
system corruption errors. That's basically what happened to all of our
SLES 12 systems. We have been working with SUSE to find the cause
(other than it being a BTFRS issue), but no solutions have worked. So,
we moved them all to ext4.
Martha
On 7/13/2019 11:46 PM, Marcy Cortes wrote:
In my case no. I decided it wasn’t ready given the amount of things in the
change logs.
Sent with BlackBerry Work
(www.blackberry.com)
From: Martha McConaghy
<[email protected]<mailto:[email protected]>>
Date: Saturday, Jul 13, 2019, 8:17 PM
To: [email protected]
<[email protected]<mailto:[email protected]>>
Subject: Re: [LINUX-390] Server don't boot after patch
Was this with BTRFS or another filesystem? We have had huge problems
with BTRFS and now have had to convert all of our SLES 12 servers to
ext4 to avoid it. The problems all hit when we moved to SP4 from
earlier levels of SLES 12. One by one, even the stable servers failed.
Martha
On 7/13/2019 6:08 PM, Marcy Cortes wrote:
Exactly what happened to us. I posted here last month when it happenend.
SUSE has given us a temp PTF that we've just started testing
What you need to do to recover is to boot a rescue system and bring on all your
devices with chzdev.
Then run mkinitrd and grub2-install and cross your fingers.
Marcy
On 7/13/19, 6:11 AM, "Linux on 390 Port on behalf of Victor Echavarry"
<[email protected] on behalf of [email protected]> wrote:
Hi:
Yesterday after perform an update in one of our test servers (SLES12 SP4)
and after updating & rebooting, now the server won't boot. This are the messages
Booting default (grub2)
dracut-initqueue[403]: Warning: dracut-initqueue timeout - starting
timeout scri
pts
dracut-initqueue[403]: Warning: dracut-initqueue timeout - starting
timeout scr
dracut-initqueue[403]: Warning: dracut-initqueue timeout - starting
timeout scri
pts
dracut-initqueue[403]: Warning: Could not boot.
Starting Dracut Emergency Shell...
Warning: /dev/mapper/sys-user does not exist
Warning: /dev/sys/user does not exist
Generating "/run/initramfs/rdsosreport.txt"
Entering emergency mode. Exit the shell to continue.
Type "journalctl" to view system logs.
You might want to save "/run/initramfs/rdsosreport.txt" to a USB stick or
/boot
after mounting them and attach it to a bug report.
Give root password for maintenance
Please note, this server has the following filesystem layout:
1. DASD device (non-LVM) --- (root filesystem)
(5) DASD devices for "sys" volume group for the rest of filesystem: /var,
/usr etc..
We can mount / filesystem on another zLinux system and have access to
/boot and /etc and trying to rebuild grub and is unsussceful.
Any help?
Regards,
Victor Echavarry
System Programmer
Operating Systems
EVERTEC, LLC
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Martha McConaghy
Marist: System Architect/Technical Lead
SHARE Association: Vice President
Marist College IT
Poughkeepsie, NY 12601
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For LINUX-390 subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO LINUX-390 or visit
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--
Martha McConaghy
Marist: System Architect/Technical Lead
SHARE Association: Vice President
Marist College IT
Poughkeepsie, NY 12601
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