[dm-devel] Re: [PATCH 7/9] scsi_dh: Add support for SDEV_PASSIVE
Chandra Seetharaman
sekharan at us.ibm.com
Mon Feb 11 18:27:46 UTC 2008
On Sat, 2008-02-09 at 05:45 -0700, Matthew Wilcox wrote:
> On Mon, Feb 04, 2008 at 01:19:30PM -0800, Chandra Seetharaman wrote:
> > The device does send these error messages currently, but it takes some
> > time to get the check condition back, which adds up the time to boot
> > especially when the # of LUNS is huge.
> >
> > For example, in my test configuration, I had 40 luns, and the time
> > difference (with this patch and without it) to boot is 171 seconds and
> > 1426 seconds.
>
> Was that with sync or async SCSI bus scanning?
I didn't change anything, IOW, i did default scanning, which I would
guess sync ?!
>
--
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Chandra Seetharaman | Be careful what you choose....
- sekharan at us.ibm.com | .......you may get it.
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