RELENG_5, snapshots and disk lock time
Xin LI
delphij at delphij.net
Mon Mar 7 08:23:02 PST 2005
在 2005-03-07一的 18:00 +0300,Dmitry Morozovsky写道:
> On Mon, 7 Mar 2005, Xin LI wrote:
>
> Well, as I said, it was even for read access. I checked this with the simple
> shell script
>
> #!/bin/sh
>
> while true; do
> sleep 5
> date
> ls /lh/.snap
> done
>
> when dump -L executes mksnap_ffs for /lh, there is 3:20 pause between dates.
>
> dumpfs output is available at http://woozle.hole.ru/misc/dumpfs-lh.gz (83k)
The dumpfs output seems quite normal. I'll try to figure out what was
happening tomorrow with some large volume equipment.
Cheers,
--
Xin LI <delphij delphij net> http://www.delphij.net/
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