[systemd-devel] timed out waiting for device dev-disk-by\x2duuid

[Kay Sievers]

On Thu, May 15, 2014 at 10:57 PM, Goffredo Baroncelli
<kreijack at libero.it> wrote:
> On 05/15/2014 08:16 PM, Lennart Poettering wrote:
>> On Thu, 15.05.14 19:29, Lennart Poettering (lennart at poettering.net) wrote:
>>
>>> On Mon, 12.05.14 20:48, Chris Murphy (lists at colorremedies.com) wrote:
>>>
> [...]
>>
>> So, as it turns out there's no kernel APi available to check whether a
>> btrfs raid array is now complete enough for degraded mode to
>> succeed. There's only a way to check whether it is fully complete.
>>
>> And even if we had an API for this, how would this even work at all?
>
> In what this should be different than the normal RAID system ?
>
> In both case there are two timeout: the first one is for waiting the full system, the second one is for the minimal set of disks to a degraded mode. If even the second timeout is passed, then we should consider the filesystem not build-able.
>
> How it is handle for the RAID system ? Knowing that we should consider to apply the same strategies fro btrfs (may be we need some userspace tool to do that)

RAID is not handled by systemd, it is handled by other tools or not at
all. Initrds have some logic here, but nothing convincing, and it is
just the same mess as this.

Kay