Re: [PVE-User] zfs 0.7.7

2018-04-10 Thread Lindsay Mathieson

On 10/04/2018 9:19 PM, Fabian Grünbichler wrote:

as already discussed on this very same list:


we already released new kernels with a fixed ZFS module yesterday, and
the affected one has only been available in pvetest before being
superceded by the patched one.



Yah, did not see until I posted.



the bug is only in the kernel module code, so the ZFS user space
packages have not been updated (and don't need to be in PVE's case).


Ta, good to know.

--
Lindsay

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Re: [PVE-User] zfs 0.7.7

2018-04-10 Thread Fabian Grünbichler
On Tue, Apr 10, 2018 at 11:09:34AM +, Lindsay Mathieson wrote:
> I notice that zfs 0.7.7 has arrived in the no-sub repo – it has a reasonably 
> serious dataloss bug:
> 
>   https://github.com/zfsonlinux/zfs/issues/7401
> 
> 0.7.8 has been released with a fix:
> 
>   https://github.com/zfsonlinux/zfs/releases/tag/zfs-0.7.8
>

as already discussed on this very same list:

> we already released new kernels with a fixed ZFS module yesterday, and
> the affected one has only been available in pvetest before being
> superceded by the patched one.
> 
> the bug also looks unlikely to trigger on PVE systems, since you need to
> create lots of files in a short time in one directory with a filename
> pattern that triggers collisions. it triggered easier on CentOS systems
> because their version of coreutil's 'cp' randomized the order of copied
> files in a recursive copy operation (thus potentially randomly hitting a
> filename sequence that triggers).
> 
> analysis is not yet complete though, so upgrading is recommended in case
> you installed the broken version from pvetest.
> 
> affected (only those specific packages and versions!):
> pve-kernel-4.15.15-1-pve in version 4.15.15-5
> pve-kernel-4.13.16-1-pve in version 4.13.16-46
> 
> fixed (and everything afterwards):
> pve-kernel-4.15.15-1-pve in version 4.15.15-6
> pve-kernel-4.13.16-2-pve in version 4.13.16-47

the bug is only in the kernel module code, so the ZFS user space
packages have not been updated (and don't need to be in PVE's case).

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