Long delays during boot and zpool/zfs commands on 9.1-RELEASE (possibly because of unavailable pool?)

[Steven Hartland]

----- Original Message ----- 
From: "Henner Heck" <Henner.Heck at web.de>
> Hello all,
> 
> i set up a PC with FreeBSD 9.1-Release and 2 zfs pools.
> One is a mirror from which FreeBSD is booting
> (tough enough without getting "error 2"),
> the other one a raidz2 for data.
> The disks for the raidz2 are encrypted with geli and attached manually.
> 
> I noticed that a "zpool status" or a "zfs list" before attaching
> the encrypted disks waits for about one minute before showing output.
> When they finally do, the output is as expected, the raidz2 pool is shown as
> UNAVAIL and its datasets are not listed.
> When all the disks are attached with geli, the outputs are given
> immediately.
> 
> On boot there are 2 delays.
> One of about 1 minute after the output
> "Setting hostid: 0x........"
> and one of 2 minutes after
> "Mounting local file systems:.".
> Both these outputs don't show up in dmesg, which ends with
> "Trying to mount root from zfs:zroot/ROOT []..." shortly before.
> 
> I suspect that the boot delays too are because of the encrypted pool.
> 
> A different machine running FreeBSD 8.3-RELEASE has a delay of only
> about 3 seconds on "zpool status" with an encrypted pool
> and also the boot shows no annoying anomalies.
> 
> Any idea how to get rid of these really long delays?

Try the attached patch see if that helps?

    Regards
    Steve

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