Hi List,
I am running a couple of dd processes on the scsi drives
on ia64 running 2.4.2 kernel.
e.g.
while [ 1 ]; do
dd if=/dev/zero of=/dev/sdb1 bs=1024 count=2500
done &
while [ 1 ] ; do
dd if=/dev/zero of=/dev/sdb2 bs=1024 count=2500
done &
while [ 1 ] ; do
dd if=/dev/zero of=/dev/sdb
I am sending you oops from my freshly compiled 2.4.4 that crashes every
time when initialising Adaptec 2940UW BIOS-less ctrl:
ksymoops 2.4.1 on i686 2.4.4. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.4/ (default)
-m /
"Eric Z. Ayers" wrote:
>
> Doug Ledford writes:
> (James Bottomley commented about the need for SCSI reservation kernel patches)
> >
> > I agree. It's something that needs fixed in general, your software needs it
> > as well, and I've written (about 80% done at this point) some open source
>
Hi Doug,
Great to hear your progress on this. As I had not heard anything about this
effort since this time last year I had assumed you put this project on the
shelf. I will be happy to test these interfaces when they are ready.
Eddie
> "Eric Z. Ayers" wrote:
> >
> > Doug Ledford writes:
Doug Ledford wrote:
>
> ...
>
> If told to hold a reservation, then resend your reservation request once every
> 2 seconds (this actually has very minimal CPU/BUS usage and isn't as big a
> deal as requesting a reservation every 2 seconds might sound). The first time
> the reservation is refuse
Max TenEyck Woodbury wrote:
>
> Doug Ledford wrote:
> >
> > ...
> >
> > If told to hold a reservation, then resend your reservation request once every
> > 2 seconds (this actually has very minimal CPU/BUS usage and isn't as big a
> > deal as requesting a reservation every 2 seconds might sound).
Mike Anderson wrote:
>
> Doug,
>
> A question on clarification.
>
> Is the configuration you are testing have both FC adapters going to the same
> port of the storage device (mutli-path) or to different ports of the storage
> device (mulit-port)?
>
> The reason I ask is that I thought if you a
Doug,
A question on clarification.
Is the configuration you are testing have both FC adapters going to the same
port of the storage device (mutli-path) or to different ports of the storage
device (mulit-port)?
The reason I ask is that I thought if you are using SCSI-2 reserves that the
reserve
> Copying a 6.5 MByte file with cp returns nearly immediately on the
> commandline, but umount nearly takes forever. Maximum rate detected by
> xosview during umount was about 30 kByte.
>
> I have similar behaviour on another machine and with different disk. However
> I don't get any "dmesg" outp
Doug,
I guess I worded my question poorly. My question was around multi-path
devices in combination with SCSI-2 reserve vs SCSI-3 persistent reserve which
has not always been easy, but is more difficult is you use a name space that
can slip or can have multiple entries for the same physical dev
Doug Ledford wrote:
>
> Max TenEyck Woodbury wrote:
>>
>> Umm. Reboot? What do you think this is? Windoze?
>
> It's the *only* way to guarantee that the drive is never touched by more
> than one machine at a time (notice, I've not been talking about a shared
> use drive, only one machine in the
Max TenEyck Woodbury wrote:
>
> Doug Ledford wrote:
> >
> > Max TenEyck Woodbury wrote:
> >>
> >> Umm. Reboot? What do you think this is? Windoze?
> >
> > It's the *only* way to guarantee that the drive is never touched by more
> > than one machine at a time (notice, I've not been talking about a
Mike Anderson wrote:
>
> Doug,
>
> I guess I worded my question poorly. My question was around multi-path
> devices in combination with SCSI-2 reserve vs SCSI-3 persistent reserve which
> has not always been easy, but is more difficult is you use a name space that
> can slip or can have multiple
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