Date: Tue, 21 Jan 2014 10:04:10 -0700 From: John Nielsen <lists@jnielsen.net> To: Philipp <mailinglists@cypresscreek.de> Cc: freebsd-fs@freebsd.org Subject: Re: Filesystem errors with VirtIO Message-ID: <8B7FDAA2-D987-4824-9826-B975552194F8@jnielsen.net> In-Reply-To: <20140120163951.7fe4c1f8@calavera> References: <20140120163951.7fe4c1f8@calavera>
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On Jan 20, 2014, at 8:39 AM, Philipp <mailinglists@cypresscreek.de> = wrote: > I'm running FreeBSD 10.0-RELEASE on a virtualized KVM server. I'm > using VirtIO from base to access NIC and HDD directly. Filesystem is > UFS2 with Journaling and SU. Last week I had to reinstall FreeBSD > because the salvation of the several filesystem errors wasn't possible > anymore. I don't have any evidence but I guess it has something to do > with the VirtIO driver. >=20 > After running the machine for 48 hours with a freshly installed > FreeBSD 10 several soft update inconsistencies occur: > [fsck output trimmed] >=20 > After a reboot different inconsistencies appear. I had the very same > problems with 9.2-RELEASE, which caused the need of a reinstallation > of the OS (errors like "vtbd0: hard error cmd=3Dwrite fsbn 24162" > occured). >=20 > Can someone confirm these problems with VirtIO? What else can I do? FWIW I've been running multiple FreeBSD VMs atop KVM+virtio for some = time and haven't seen any issues like this. My VMs include FreeBSD 9.2 = and 10.0-RC on both UFS and ZFS. What can you tell us about the underlying storage? LVM volume? iSCSI? = Qcow2 or other disk image file? If so, what type of filesystem is it on? = etc. JN
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