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Unread postPosted: Sun May 27, 2012 12:19 pm 
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A few days ago I connected an 'internal' option disk with 500GB on it.
I had a bunch of adapters so I thought I had to have a go at it.

Code:
CPU: MIPS R5000 Processor Chip Revision: 1.0
FPU: MIPS R5000 Floating Point Coprocessor Revision: 1.0
1 180 MHZ IP22 Processor
Main memory size: 256 Mbytes
Secondary unified instruction/data cache size: 512 Kbytes on Processor 0
Instruction cache size: 32 Kbytes
Data cache size: 32 Kbytes
Integral SCSI controller 0: Version WD33C93B, revision D
  Disk drive: unit 1 on SCSI controller 0 (unit 1)
  Disk drive: unit 2 on SCSI controller 0 (unit 2)
On-board serial ports: 2
On-board bi-directional parallel port
Graphics board: GR3-XZ
Integral Ethernet: ec0, version 1
Integral ISDN: Basic Rate Interface unit 0, revision 1.0
Iris Audio Processor: version A2 revision 4.1.0
Vino video: unit 0, revision 0, IndyCam not connected

Code:
Filesystem             Type  kbytes     use     avail  %use Mounted on
/dev/root               xfs  8821000  2287516  6533484  26  /
/dev/dsk/dks0d2s7       xfs 488324920   141152 488183768   1  /opt

Code:
/dev/scsi/sc0d1l0:  Disk          IBM     DNES-309170W    SA30
ANSI vers 3, ISO ver: 0, ECMA ver: 0; supports:  16bit synch linkedcmds cmdqueing
Device is  ready
/dev/scsi/sc0d2l0:  Disk          ST9500420ASG            0002
ANSI vers 2, ISO ver: 0, ECMA ver: 0; supports:  16bit synch cmdqueing

Internal drive might be a strong word. The lid will be difficult to put on, but it is on the internal narrow scsi bus
Attachment:
INDY_500GB_.jpg
INDY_500GB_.jpg [ 381.79 KiB | Viewed 713 times ]

2.5" SATA drive -> SATA - IDE of unknown brand -> ACARD IDE-Wide SCSI adapter -> Wide-Narrow adapter :-)
Attachment:
INDY_500GB_CLOSEUP_.jpg
INDY_500GB_CLOSEUP_.jpg [ 351.88 KiB | Viewed 713 times ]


Internal 9GB disk. Direct IO
Code:
#---------------------------------------------------------
# Disk Performance Test Results Generated By Diskperf V1.2
#
# Test name     : SCSI9GB
# Test date     : Mon May 21 19:46:30 2012
# Test machine  : IRIX indy_nina 6.5 10070055 IP22
# Test type     : XFS data subvolume
# Test path     : /testfile
# Request sizes : min=4096 max=4194304
# Parameters    : direct=1 time=10 scale=1.000 delay=0.000
# XFS file size : 54525952 bytes
#---------------------------------------------------------
# req_size  fwd_wt  fwd_rd  bwd_wt  bwd_rd  rnd_wt  rnd_rd
#  (bytes)  (MB/s)  (MB/s)  (MB/s)  (MB/s)  (MB/s)  (MB/s)
#---------------------------------------------------------
       4096    0.48    2.72    0.50    0.51    0.51    0.51
       8192    0.95    3.90    1.05    1.05    0.99    0.94
      16384    1.79    5.15    2.21    2.22    1.86    1.70
      32768    6.93    7.01    5.13    3.86    4.14    2.84
      65536    7.86    7.59    7.23    5.00    6.68    4.26
     131072    8.37    7.92    8.42    5.67    8.40    5.58
     262144    8.62    8.06    8.62    7.29    8.63    6.62
     524288    8.89    7.70    8.90    8.10    8.90    7.72
    1048576    9.15    8.71    9.16    8.56    9.16    8.56
    2097152    9.29    9.03    9.29    8.88    9.29    8.94
    4194304    9.35    9.19    9.36    9.19    9.35    9.17


Internal 500GB disk. Direct IO. Pretty much the same performance.
Code:
#---------------------------------------------------------
# Disk Performance Test Results Generated By Diskperf V1.2
#
# Test name     : SATA500GB
# Test date     : Mon May 21 19:24:39 2012
# Test machine  : IRIX indy_nina 6.5 10070055 IP22
# Test type     : XFS data subvolume
# Test path     : /opt/testfile
# Request sizes : min=4096 max=4194304
# Parameters    : direct=1 time=10 scale=1.000 delay=0.000
# XFS file size : 54525952 bytes
#---------------------------------------------------------
# req_size  fwd_wt  fwd_rd  bwd_wt  bwd_rd  rnd_wt  rnd_rd
#  (bytes)  (MB/s)  (MB/s)  (MB/s)  (MB/s)  (MB/s)  (MB/s)
#---------------------------------------------------------
       4096    2.84    2.82    2.03    2.36    1.35    0.62
       8192    3.81    3.81    3.01    3.20    2.58    1.13
      16384    5.20    5.21    4.38    4.31    3.90    1.80
      32768    5.86    6.29    5.59    4.14    5.46    3.15
      65536    7.26    7.12    6.61    4.18    6.65    4.64
     131072    8.02    7.71    7.47    5.29    7.71    5.84
     262144    8.36    7.79    8.00    6.70    7.96    6.77
     524288    8.68    8.31    8.13    7.53    8.10    7.65
    1048576    8.97    8.61    7.99    8.04    7.93    7.43
    2097152    9.05    8.85    8.30    7.91    8.06    8.65
    4194304    9.21    8.95    8.80    8.79    8.62    8.71


Internal 9GB disk. Buffered
Code:
#---------------------------------------------------------
# Disk Performance Test Results Generated By Diskperf V1.2
#
# Test name     : SCSI9GB
# Test date     : Mon May 21 19:57:10 2012
# Test machine  : IRIX indy_nina 6.5 10070055 IP22
# Test type     : XFS data subvolume
# Test path     : /testfile
# Request sizes : min=4096 max=4194304
# Parameters    : direct=0 time=10 scale=1.000 delay=0.000
# XFS file size : 54525952 bytes
#---------------------------------------------------------
# req_size  fwd_wt  fwd_rd  bwd_wt  bwd_rd  rnd_wt  rnd_rd
#  (bytes)  (MB/s)  (MB/s)  (MB/s)  (MB/s)  (MB/s)  (MB/s)
#---------------------------------------------------------
       4096   16.38   16.09   20.71   28.67   20.93   26.62
       8192   18.15    2.21   21.01   30.50   24.30   29.60
      16384   18.32    0.72   17.62   33.48   28.28   32.55
      32768   18.25    0.00   25.02   30.63   27.35   29.67
      65536   18.26    0.01   19.24   30.69   29.54   30.49
     131072   18.62    0.86   16.71   28.35   28.73   29.71
     262144   18.55   16.50   22.02   19.19   23.65   27.13
     524288   17.91   19.62   19.12   10.94   22.91   25.39
    1048576   17.25   17.24   20.33   12.60   21.90   24.68
    2097152   17.78   16.39   21.36   19.96   20.51   24.15
    4194304   17.52   16.48   22.03   10.25   20.12   24.93


Internal 500GB disk. Buffered. Pretty much the same performance
Code:
#---------------------------------------------------------
# Disk Performance Test Results Generated By Diskperf V1.2
#
# Test name     : SATA500GB
# Test date     : Mon May 21 19:35:57 2012
# Test machine  : IRIX indy_nina 6.5 10070055 IP22
# Test type     : XFS data subvolume
# Test path     : /opt/testfile
# Request sizes : min=4096 max=4194304
# Parameters    : direct=0 time=10 scale=1.000 delay=0.000
# XFS file size : 54525952 bytes
#---------------------------------------------------------
# req_size  fwd_wt  fwd_rd  bwd_wt  bwd_rd  rnd_wt  rnd_rd
#  (bytes)  (MB/s)  (MB/s)  (MB/s)  (MB/s)  (MB/s)  (MB/s)
#---------------------------------------------------------
       4096   16.29   15.83   20.96   29.30   21.15   26.28
       8192   17.67    0.00   23.78   32.13   26.01   30.82
      16384   17.83    0.00   26.32   32.92   28.84   32.23
      32768   17.81    0.00   27.31   31.65   29.48   31.27
      65536   17.83    0.01   26.89   30.86   29.69   30.71
     131072   18.01    0.01   25.78   27.67   28.04   28.88
     262144   18.32   16.12   22.52   19.64   25.35   27.26
     524288   17.79   16.07   19.53   16.88   22.71   25.10
    1048576   18.29   16.44   18.82   12.70   21.60   24.45
    2097152   17.75   14.92   18.82    9.75   22.34   24.86
    4194304   17.77   16.71   20.82    9.88   21.47   24.65


Maybe it's time to check adapter performance on Octane or Fuel...


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Unread postPosted: Sun May 27, 2012 6:33 pm 
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Not bad for a 10 MB/sec bus!

Back when the R5k Indy/Challenge S line was still new, I configured a Challenge S with 2x9 GB external drives, and I thought I was king! :)


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Unread postPosted: Mon May 28, 2012 9:15 am 
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Perhaps get a 40-pin F header or work something out with a SATA socket so you can put a cable pigtail on there somewhere.

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Unread postPosted: Mon May 28, 2012 12:12 pm 
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I like it :)

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It turns out that when reset, the WD33C93 defaults to a SCSI ID of 0, and it was simpler to leave it that way... -- Dave Olson, in comp.sys.sgi

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Unread postPosted: Mon May 28, 2012 1:35 pm 
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Nice!

I finally received my SCA to 50-pin adapters, so I was hoping to try out the Savvio 2.5" SCSI drives. But now I've got car troubles vying for my time...

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Unread postPosted: Mon May 28, 2012 5:33 pm 
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smj wrote:
But now I've got car troubles vying for my time...

It's summer. Ditch the car, get a Sportster. The end of the world is coming this fall anyhow ...


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Unread postPosted: Tue May 29, 2012 8:59 am 
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Wow, it is a miracle that is working with so many adapters!, nice :D

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Unread postPosted: Wed May 30, 2012 7:48 am 
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Thanks. It's fun to think 'outside the pizzabox' ;)

I was also a bit surprised a chain like that worked without problems.

I was hoping it would just add length to the 2.5" disk and not create a staircase, so it would fit under the lid.
The plastic box under the disk in the first image is just a DLT casing to avoid unvanted electric contact.
If I remove the box, system disk and fix some cable pigtail as suggested, I could use the 500GB as systemdisk and probably put the lid on.


Last edited by bjornl on Sun Jun 17, 2012 9:38 am, edited 1 time in total.

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Unread postPosted: Thu May 31, 2012 9:21 am 
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Quite creative.... 500GB.. not bad for a computer its age. Hmmm might try that with the indigo 2's Or even making a custom bracket for an Octane 2/Onyx2

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Unread postPosted: Thu May 31, 2012 9:54 am 
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So, exactly what would someone do with a 500 GB drive on a machine with the I/O bottlenecks (10 Mbit/s network, 10 MByte/sec SCSI, etc.) of a circa 1996 Indy? Serve up a huge music library? Archive CD-ROM images?


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Unread postPosted: Thu May 31, 2012 3:26 pm 
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josehill wrote:
So, exactly what would someone do with a 500 GB drive on a machine with the I/O bottlenecks (10 Mbit/s network, 10 MByte/sec SCSI, etc.) of a circa 1996 Indy? Serve up a huge music library? Archive CD-ROM images?


G100s or G130s can speed up the network and aren't too hard to find.

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There are those who say I'm a bit of a curmudgeon. To them I reply: "GET OFF MY LAWN!"

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Unread postPosted: Fri Jun 01, 2012 4:22 am 
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josehill wrote:
So, exactly what would someone do with a 500 GB drive on a machine with the I/O bottlenecks (10 Mbit/s network, 10 MByte/sec SCSI, etc.) of a circa 1996 Indy? Serve up a huge music library? Archive CD-ROM images?


If you need a replacement drive, the choice is broadly speaking between second-hand like-for-like (or wide SCSI through an adapter) with unknown hours, operating environment, etc already under its belt or a new/newish SATA/SAS drive, which tend to be very large in Indy/Indigo terms - I am discounting older/smaller PATA drives. The example here is a 2.5" drive - less power/noise/heat; not many small-form, small-capacity SCSI drives around. Again you could go for an old PATA laptop drive, but worry more about reliability.

So you might not do anything new/different with the extra space, but you can carry on using the machine beyond the availability of 90's size/type drives. Think of it not as wasted space, but as not wasting the rest of the machine for want of a drive!

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Unread postPosted: Sat Jun 02, 2012 2:55 pm 
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Will you upgrade those I2's in the background too ? Your picture sounds so silent with its thin SATA drive that I'm afraid to power up again my I2 again with its old narrow 9GB narrow SCSI (WN34324U) and SCA 18GB 10k.

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Unread postPosted: Mon Jun 11, 2012 6:43 am 
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ajw99uk wrote:
So you might not do anything new/different with the extra space, but you can carry on using the machine beyond the availability of 90's size/type drives. Think of it not as wasted space, but as not wasting the rest of the machine for want of a drive!


I've done a heck of a lot of replacements for companies using SGIs (typically Indy/O2/Indigo2, but sometimes IRIS Indigo2, Octane and even
Personal IRIX) for a wide range of tasks, everything from controlling medical scanners and knitting machines, to units still used for driving flight
simulators and other industrial uses. Stoll/SIRIX systems are especially common with respect to needing replacements - often an Indy is still
using the original 1GB 50pin.

I fit much newer 36GB 15K SCA or 68pin instead. I've chosen models which are almost silent. For Indy, combined with a simple CPU upgrade,
one company saw an order of magnitude performance increase for processing their knitting patterns, so they gained much more than a
reliability update (time cut from 10 mins to less than a minute), and of course the noise was virtually eliminated (note in most cases companies
buy two drives: a replacement for their dying system disk, plus my recommended clone backup unit, for which I supply a custom cloning script
since most users are just running 5.3). Amazing how many companies never had a backup unit, or even an image on tape or something.

I will be testing with SSDs soon.

Ian.

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Unread postPosted: Sun Jun 17, 2012 9:52 am 
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There isn't much use of 500Gb in an old Indy, but as you say, to keep an old system running it's an option. Though I think Ian's
way to do that is better.

For large storage, I prefer a NAS or something else (PC based) with NFS filesystem.

I have 2 complete set of adapters but I don't think they will go into an I2, but it is definetly more quiet than the clunky old 2/4Gb
Quantum drives I have in some of them.
The next step will be an XLV or something in a system with (at least) wide SCSI bus to see the performance of the ACARD adapters

/Bjorn


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