Date: Wed, 16 Sep 2020 16:15:02 -0600 From: ericr <erobison@gmail.com> To: freebsd-cloud@freebsd.org Subject: Re: filesystem checksum problems on AWS EC2 instances Message-ID: <CALLYBo7gAfxCPUjh=bDMe748xTwvVB66%2Bq4-X8JRCq6c-mXrfA@mail.gmail.com> In-Reply-To: <01000174944cbe04-bc3ea16f-b855-4aac-9bcf-1b9c4e30a241-000000@email.amazonses.com> References: <CALLYBo5iifB8P5Tf1MTpawj=NRYfjbyT1QHbS=NeeFfVYg0vAg@mail.gmail.com> <01000174944cbe04-bc3ea16f-b855-4aac-9bcf-1b9c4e30a241-000000@email.amazonses.com>
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On Tue, Sep 15, 2020 at 6:24 PM Colin Percival <cperciva@tarsnap.com> wrote: > On 2020-09-15 14:30, ericr wrote: > ... > > Sep 1 20:50:15 <kern.crit> freebsd kernel: UFS /dev/gpt/rootfs (/) > > cylinder checksum failed: cg 0, cgp: 0x9c14700e != bp: 0x27bfa3d0 > > Sep 1 20:50:15 <kern.crit> freebsd syslogd: last message repeated 1 > times > > Sep 1 20:50:15 <kern.crit> freebsd kernel: UFS /dev/gpt/rootfs (/) > > cylinder checksum failed: cg 7, cgp: 0x43ed3fa1 != bp: 0xe9b0182e > > > > and from there on, I get cylinder checksum errors pretty often. > > Do you get this if you launch from the non-Marketplace AMIs listed in the > release announcement? > https://www.freebsd.org/releases/12.1R/announce.html Yes. I just tried both of these AMI's from the release notes: us-east-1 region: ami-0de268ac2498ba33d us-east-2 region: ami-0a44f10b2c6deb365 I got the same errors. I haven't tried the 12.2-BETA images yet, I suppose I should. Theoretically they should be bit-for-bit identical, but I wouldn't put it > past the Marketplace people to have somehow mangled it when they created > their copy of the AMI disk image. > Seems odd that it happens with both the AMIs from Release Engineering and the Marketplace. I think the only change I'm making that would affect the instance is that I change the disk size to 200GB. It seems pretty idiot proof, but maybe there's something I'm missing. > > Also, does anyone have docs on how to create a custom AMI that'll create > a > > ZFS root filesystem and install the OS to it? I can't seem to find AMIs > > for 12.1-RELEASE that use it. > > I created some ZFS images for FreeBSD 12.0 last year -- you could launch > one > of those and upgrade: > > https://lists.freebsd.org/pipermail/freebsd-cloud/2019-February/000200.html Thanks for the pointer! -- ericr
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