[OpenAFS] File server not parallelized on restart?

[Derrick Brashear]

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On 10/17/07, Steve Simmons <scs@umich.edu> wrote:
>
> We had an AFS hang today (more detail after we complete the post-
> mortem). It required doing a hard reboot on the server. On reboot, it
> began salvaging the two partitions in parallel as normal. Wwhen the
> salvages completed, it started attaching the partitions sequentially.
> Here are the relevant times and events from the log. This last 4 in
> the sequence look funny to me:
>
> 13:30:40 /vicepa salvage started
> 13:30:40 /vicepb salvage started
> 14:23:07 /vicepb salvage completed
> 14:35:59 /vicepa salvage completed
> 14:36:01 fs starts attaching /vicepb volumes
> 14:50:16 fs finishes attaching /vicepb volumes
> 14:50:16 fs starts attaching /vicepa volumes
>
> Should it have started attaching /vicepa volumes as soon as that
> salvage completed, or am I laboring under a misconception here?
>
> Advance thanks,


nope, it's serial unless you have 1.5, with -vattachpar set, and will do
them in reverse in some versions due to a minor bug since fixed.

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<br><br><div><span class="gmail_quote">On 10/17/07, <b class="gmail_sendername">Steve Simmons</b> &lt;<a href="mailto:scs@umich.edu">scs@umich.edu</a>&gt; wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
We had an AFS hang today (more detail after we complete the post-<br>mortem). It required doing a hard reboot on the server. On reboot, it<br>began salvaging the two partitions in parallel as normal. Wwhen the<br>salvages completed, it started attaching the partitions sequentially.
<br>Here are the relevant times and events from the log. This last 4 in<br>the sequence look funny to me:<br><br>13:30:40 /vicepa salvage started<br>13:30:40 /vicepb salvage started<br>14:23:07 /vicepb salvage completed<br>
14:35:59 /vicepa salvage completed<br>14:36:01 fs starts attaching /vicepb volumes<br>14:50:16 fs finishes attaching /vicepb volumes<br>14:50:16 fs starts attaching /vicepa volumes<br><br>Should it have started attaching /vicepa volumes as soon as that
<br>salvage completed, or am I laboring under a misconception here?<br><br>Advance thanks,</blockquote><div><br>nope, it&#39;s serial unless you have 1.5, with -vattachpar set, and will do them in reverse in some versions due to a minor bug since fixed.
<br>&nbsp;<br></div><br></div><br>

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