Re: LBA schedule for March, version 0
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From: <ibains_at_email.protected>
Date: Thu, 22 Feb 2007 11:49:38 +1100 (EST)
Yes that would fit
Indra
On Thu, 22 Feb 2007, Jim Lovell wrote:
>Hi Steven and Indra,
>
>Enno has agreed to drop v211a back to 256 Mbps.
>
>Is there enough capacity for 12h at 32 Mbps to repeat v215? This would be
>At-Mp-Pa-Cd-Ho-Hh (with Hart recording Mark5).
>
>Cheers,
>Jim
>
>
>On 21/02/2007, at 3:55 PM, Steven Tingay wrote:
>
>>> Hi Jim,
>>>
>>> I think dropping/modifying v211a would be the best bet. As Indra
>>> points out, we would have to use the 180 GB disks for high data rate
>>> recording, which is problematic. Cancelling v194b will not help, as
>>> it only frees up more 180 GB disks.
>>>
>>> First choice would be to drop v211a back to 256 Mbps. If 512 Mbps is
>>> critical then v211a should be dropped completely. As Indra also
>>> points out, v211a has no Tid allocation and is therefore disadvantaged
>>> anyway if high sensitivity is critical.
>>>
>>> If v211a is dropped completely, we can do some other low data rate
>>> observation instead which can effectively use the 180 GB disks.
>>>
>>> Cheers, Steven
>>>
>>> On 2/21/07, Chris Phillips <Chris.Phillips_at_csiro.<!--nospam-->au> wrote:
>>>> > Message from Jim,
>>>> >
>>>> > ---------------
>>>> > Date: Wed, 21 Feb 2007 15:15:46 +1100
>>>> > To: Indra Bains <ibains_at_astro.<!--nospam-->swin.edu.au>
>>>> >
>>>> > Hi Indra,
>>>> >
>>>> > Thanks for that. I'll contact Enno and see if he doesn't mind
>>>> > dropping back to 256, unless Adam or Emil are prepared to make the
>>>> > supreme sacrifice? An alternative would be to can cel v194b (sorry
>>>> > Phil!). Would that save enough disk to keep v211a at the high rate?
>>>> >
>>>> > Cheers,
>>>> > Jim
>>>> >
>>>> > --
>>>> > Dr Jim Lovell,
>>>> > Jim.Lovell_at_csiro.<!--nospam-->au
>>>> > CSIRO Australia Telescope National Facility Ph: (02) 6125
>>>> > 6715
>>>> > c/o RSAA, Mt Stromlo Observatory, Fax: (02) 6125
>>>> > 0260
>>>> > Cotter Road, Weston ACT 2611
>>>> > Australia http://www.atnf.csiro.au/people/
>>>> > Jim.Lovell
>>>> > At Tidbinbilla Ph (02) 6201 7842 (RA Lab), x7800 (switch), x7940
>>>> > (shift)
>>>> >
>>>> >
>>>> >
>>>> > On 21/02/2007, at 2:13 PM, Indra Bains wrote:
>>>> >
>>>>> > >
>>>>> > > Hi
>>>>> > >
>>>>> > > We've had a look at the disk allocations for the current
>>>>> > > schedule.
>>>>> > > The way
>>>>> > > things stand, with 60 hrs at 512 Mbps, we'd be pushing the disks
>>>>> > > to
>>>>> > > the
>>>>> > > limit, resulting in the highly risky use of some low data rate
>>>>> > > disks for
>>>>> > > one of the 12-hr high data rate experiments. It would be better
>>>>> > > to
>>>>> > > lower
>>>>> > > one of the 12-hr 512 Mbps experiments down to 256 Mbps, or omit
>>>>> > > it
>>>>> > > completely. This is consistent with Steve's initial estimate of
>>>>> > > 48
>>>>> > > hr's
>>>>> > > recording at the maximum rate and the remainder of the time at
>>>>> > > 256
>>>>> > > or 128
>>>>> > > Mbps. v211a looks like the best candidate for a lower data rate
>>>> > as it
>>>>> > > doesn't include Tid.
>>>>> > >
>>>>> > > The 2 500Gb La Cie disks will be shipped to Hart.
>>>>> > >
>>>>> > > cheers
>>>>> > > Indra
>>>>> > >
>>>>> > > On Mon, 19 Feb 2007, Jim Lovell wrote:
>>>>> > >
>> > > > Hi everyone,
>> > > >
>> > > > Attached is a first attempt at a schedule for the March
>> > > > session.
>> > > > Points to
>> > > > note:
>> > > > * I think this is our first ever disk-only session!
>> > > > * PIs: please let me know if I haven't given you the time
>> > > > range
>>>> > you
>> > > > need.
>> > > > * The pre-experiment fringe-checks are not in there
>> > > > yet.
>>>> > Allow an
>> > > > hour
>> > > > before each experiment.
>> > > > * This assumes existing disks only. It looks to me like
>>>> > there's just
>> > > > enough but it would be appreciated if someone can
>> > > > double-check.
>> > > > I've included
>> > > > times and data rates in the text version of the schedule.
>> > > > * Unfortunately there's not a lot of Tid this time. I'm
>> > > > attempting to
>> > > > scrounge more but am not hopeful.
>> > > > * Jonathan, please note the request for Hart on day 81.
>>>> > Are you
>> > > > free?
>> > > > Can you record Mark5 at 128 Mbps for this one?
>> > > > * John Reynolds: Receiver changes OK with Parkes?
>> > > > * Ceduna: looks like you get to go home early.
>> > > > * There's room for testing on day 82. Any requests?
>> > > >
>> > > > **************************************
>> > > > **** Comments please by Wednesday ****
>> > > > **************************************
>> > > >
>> > > > Cheers,
>> > > > Jim
>> > > >
>> > > >
>>>> >
>>>
>>>
>>> --
>>> * * * * * * * * * * * * * * * * * * * * * * * * * *
>>> Assoc. Prof. Steven Tingay
>>> Swinburne SKA Project Leader
>>>
>>> Centre for Astrophysics and Supercomputing
>>> Faculty of Information and Communication Technologies
>>> Swinburne University of Technology
>>> Mail H39
>>> P.O. Box 218
>>> Hawthorn, Vic 3122
>>> Australia
>>>
>>> Ph +61 (0)3 9214 8758
>>> Fax +61 (0)3 9214 8797
>>> Email stingay_at_astro.<!--nospam-->swin.edu.au
>>> s.tingay_at_optusnet.<!--nospam-->com.au
>>> Steven.Tingay_at_gmail.<!--nospam-->com
>
Received on 2007-02-22 11:49:59
Date: Thu, 22 Feb 2007 11:49:38 +1100 (EST)
Yes that would fit
Indra
On Thu, 22 Feb 2007, Jim Lovell wrote:
>Hi Steven and Indra,
>
>Enno has agreed to drop v211a back to 256 Mbps.
>
>Is there enough capacity for 12h at 32 Mbps to repeat v215? This would be
>At-Mp-Pa-Cd-Ho-Hh (with Hart recording Mark5).
>
>Cheers,
>Jim
>
>
>On 21/02/2007, at 3:55 PM, Steven Tingay wrote:
>
>>> Hi Jim,
>>>
>>> I think dropping/modifying v211a would be the best bet. As Indra
>>> points out, we would have to use the 180 GB disks for high data rate
>>> recording, which is problematic. Cancelling v194b will not help, as
>>> it only frees up more 180 GB disks.
>>>
>>> First choice would be to drop v211a back to 256 Mbps. If 512 Mbps is
>>> critical then v211a should be dropped completely. As Indra also
>>> points out, v211a has no Tid allocation and is therefore disadvantaged
>>> anyway if high sensitivity is critical.
>>>
>>> If v211a is dropped completely, we can do some other low data rate
>>> observation instead which can effectively use the 180 GB disks.
>>>
>>> Cheers, Steven
>>>
>>> On 2/21/07, Chris Phillips <Chris.Phillips_at_csiro.<!--nospam-->au> wrote:
>>>> > Message from Jim,
>>>> >
>>>> > ---------------
>>>> > Date: Wed, 21 Feb 2007 15:15:46 +1100
>>>> > To: Indra Bains <ibains_at_astro.<!--nospam-->swin.edu.au>
>>>> >
>>>> > Hi Indra,
>>>> >
>>>> > Thanks for that. I'll contact Enno and see if he doesn't mind
>>>> > dropping back to 256, unless Adam or Emil are prepared to make the
>>>> > supreme sacrifice? An alternative would be to can cel v194b (sorry
>>>> > Phil!). Would that save enough disk to keep v211a at the high rate?
>>>> >
>>>> > Cheers,
>>>> > Jim
>>>> >
>>>> > --
>>>> > Dr Jim Lovell,
>>>> > Jim.Lovell_at_csiro.<!--nospam-->au
>>>> > CSIRO Australia Telescope National Facility Ph: (02) 6125
>>>> > 6715
>>>> > c/o RSAA, Mt Stromlo Observatory, Fax: (02) 6125
>>>> > 0260
>>>> > Cotter Road, Weston ACT 2611
>>>> > Australia http://www.atnf.csiro.au/people/
>>>> > Jim.Lovell
>>>> > At Tidbinbilla Ph (02) 6201 7842 (RA Lab), x7800 (switch), x7940
>>>> > (shift)
>>>> >
>>>> >
>>>> >
>>>> > On 21/02/2007, at 2:13 PM, Indra Bains wrote:
>>>> >
>>>>> > >
>>>>> > > Hi
>>>>> > >
>>>>> > > We've had a look at the disk allocations for the current
>>>>> > > schedule.
>>>>> > > The way
>>>>> > > things stand, with 60 hrs at 512 Mbps, we'd be pushing the disks
>>>>> > > to
>>>>> > > the
>>>>> > > limit, resulting in the highly risky use of some low data rate
>>>>> > > disks for
>>>>> > > one of the 12-hr high data rate experiments. It would be better
>>>>> > > to
>>>>> > > lower
>>>>> > > one of the 12-hr 512 Mbps experiments down to 256 Mbps, or omit
>>>>> > > it
>>>>> > > completely. This is consistent with Steve's initial estimate of
>>>>> > > 48
>>>>> > > hr's
>>>>> > > recording at the maximum rate and the remainder of the time at
>>>>> > > 256
>>>>> > > or 128
>>>>> > > Mbps. v211a looks like the best candidate for a lower data rate
>>>> > as it
>>>>> > > doesn't include Tid.
>>>>> > >
>>>>> > > The 2 500Gb La Cie disks will be shipped to Hart.
>>>>> > >
>>>>> > > cheers
>>>>> > > Indra
>>>>> > >
>>>>> > > On Mon, 19 Feb 2007, Jim Lovell wrote:
>>>>> > >
>> > > > Hi everyone,
>> > > >
>> > > > Attached is a first attempt at a schedule for the March
>> > > > session.
>> > > > Points to
>> > > > note:
>> > > > * I think this is our first ever disk-only session!
>> > > > * PIs: please let me know if I haven't given you the time
>> > > > range
>>>> > you
>> > > > need.
>> > > > * The pre-experiment fringe-checks are not in there
>> > > > yet.
>>>> > Allow an
>> > > > hour
>> > > > before each experiment.
>> > > > * This assumes existing disks only. It looks to me like
>>>> > there's just
>> > > > enough but it would be appreciated if someone can
>> > > > double-check.
>> > > > I've included
>> > > > times and data rates in the text version of the schedule.
>> > > > * Unfortunately there's not a lot of Tid this time. I'm
>> > > > attempting to
>> > > > scrounge more but am not hopeful.
>> > > > * Jonathan, please note the request for Hart on day 81.
>>>> > Are you
>> > > > free?
>> > > > Can you record Mark5 at 128 Mbps for this one?
>> > > > * John Reynolds: Receiver changes OK with Parkes?
>> > > > * Ceduna: looks like you get to go home early.
>> > > > * There's room for testing on day 82. Any requests?
>> > > >
>> > > > **************************************
>> > > > **** Comments please by Wednesday ****
>> > > > **************************************
>> > > >
>> > > > Cheers,
>> > > > Jim
>> > > >
>> > > >
>>>> >
>>>
>>>
>>> --
>>> * * * * * * * * * * * * * * * * * * * * * * * * * *
>>> Assoc. Prof. Steven Tingay
>>> Swinburne SKA Project Leader
>>>
>>> Centre for Astrophysics and Supercomputing
>>> Faculty of Information and Communication Technologies
>>> Swinburne University of Technology
>>> Mail H39
>>> P.O. Box 218
>>> Hawthorn, Vic 3122
>>> Australia
>>>
>>> Ph +61 (0)3 9214 8758
>>> Fax +61 (0)3 9214 8797
>>> Email stingay_at_astro.<!--nospam-->swin.edu.au
>>> s.tingay_at_optusnet.<!--nospam-->com.au
>>> Steven.Tingay_at_gmail.<!--nospam-->com
>
Received on 2007-02-22 11:49:59