[arch-general] RAID-0 kernel bug

[Simon Hanna]

it says to run fsck....

On Sat, May 23, 2015 at 11:16 AM, David C. Rankin <
drankinatty at suddenlinkmail.com> wrote:

> On 05/23/2015 02:55 AM, Florian Pritz wrote:
>
>> On 23.05.2015 03:12, Francis Gerund wrote:
>>
>>> Am I correct to assume that this would ONLY affect systems that include a
>>> RAID-0 filesystem, and that it would not affect other ext4 systems using
>>> SSDs with "discard" in /etc/fstab?
>>>
>>
>> It affects all file systems when used with discard on a raid0 device. It
>> is not a bug specific to ext4[1]. If you do not use raid0 with discard
>> you are fine.
>>
>> [1] https://bugzilla.kernel.org/show_bug.cgi?id=98501#c14
>>
>>
> UUgh, dumb question, but... I have not used/configured this "discard", but
> I do have 6 Raid0 arrays spinning on my Arch server. Does this corruption
> potentially apply to me? Is this "discard" something that would be enabled
> by default? I have never heard of it, so that is the only thing to that
> concerns me. From the kernel thread, the fix is out on 5/22. What do I do
> to test whether I suffered corruption?
>
> --
> David C. Rankin, J.D.,P.E.
>