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comp.unix.aix Frequently Asked Questions (Part 4 of 5)
Section - 5.02: Disk/Tape/SCSI

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Top Document: comp.unix.aix Frequently Asked Questions (Part 4 of 5)
Previous Document: 5.01: Non-IBM AIX hosts.
Next Document: 5.03: Memory
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- Most SCSI disk drives work (IBM resells Maxtor, tested Wren 6&7 myself);
  use osdisk when configuring (other SCSI disk).

- Exabyte: Unfortunately only the ones IBM sells are working.
  A few other tape drives will work; 
  use ostape when configuring (other SCSI tape).

- STK 3480 "Summit": Works with Microcode Version 5.2b


>From: bell@hops.larc.nasa.gov (John Bell)
               
In summary, third party tape drives work fine with the RS/6000 unless 
you want to boot from them. This is because IBM drives have 'extended 
tape marks', which IBM claims are needed because the standard marks 
between files stored on the 8mm tape are unreliable. These extended 
marks are used when building boot tapes, so when the RS/6000 boots, it 
searches for an IBM tape drive and refuses to boot without it.

>From: jrogers@wang.com (John Rogers)

On booting with non-IBM SCSI tape drives: I haven't tried it myself but
someone offered:

Turn machine on with key in secure position.
Wait until LED shows 200 and 8mm tape has stopped loading.
Turn key to service position.


>From: amelcuk@gibbs.clarku.edu (Andrew Mel'cuk)

The IBM DAT is cheap and works.  If you get all the patches beforehand
(U407435, U410140) and remember to buy special "Media Recognition
System" tapes (Maxell, available from APS 800.443.4461 or IBM #21F8758)
the drive can even be a pleasure to use.  You can also flip a DIP switch
on the drive to enable using any computer grade DAT tapes (read the
hardware service manual).

Other DAT drives also work.  I have tried the Archive Python (works) and
experimented extensively with the Archive TurboDAT.  The TurboDAT is a
very fast compression unit, is not finicky with tapes and doesn't
require the many patches that the IBM 7206 does.  Works fine with the
base AIX 3.2 'ost' driver.


>From: pack@acd.ucar.edu (Daniel Packman)

>>You can boot off of several different brands of non-IBM Exabytes.
>>At least TTI and Contemporary Cybernetics have done rather complete
>>jobs of emulating genuine IBM products.

A model that has worked for us from early AIX 3.1 through 3.2 is a TTI
CTS 8210.  This is the old low density drive.  The newer 8510 is dual
density (2.2gig and 5gig).  Twelve dip switches on the back control the
SCSI address and set up the emulation mode.  These drives have a very
useful set of lights for read-outs (eg, soft error rate, tape remaining,
tape motion, etc.).

User Contributions:

But remnants' crop burning hits harvesting hard

This sunday, quite possibly 28, 2019 snapshot, Provided by the city service group, jointly for Jarniyah, contains been authenticated based on its contents and other AP reporting, Shows Syrians lifetime extinguish a fire in a field of crops, wearing Jaabar, Raqqa state, Syria. Thousands of acres of wheat and barley fields in both Syria and Iraq have been scorched by the fires within harvest season, that typically runs until mid June. "The life that we live here is already bitter, " stated Hussain Attiya, A farmer from Topzawa Kakayi in upper Iraq. "If the outcome continues like this, I would say that no one will continue to be here. I plant 500 to 600 acres on a yearly basis. still, I won't be able to do that because I can't stay here and guard the land day and night. "ISIS militants have a history of working with a "Scorched earth insurance coverage " In areas from that they can retreat or where they are defeated. Ahmed al Hashloum thoughts Inmaa, Arabic for benefits, A local civil group that supports farming. all it takes is a cigarette butt to set haystacks on fire, He brought up. Said the fires are threatening to disrupt normal food production cycles and potentially reduce food to protect months to come. The crop burning remains localized and can't be compared to pre war devastation, Beals considered that. "suffice to say, It is only the beginning of the summer and if the fires continue it could lead to a crisis, " Beals recounted,AlternativeHeadline,prepared crop burning blamed on ISIS remnants compounds misery in war torn Iraq and Syria"}

But good news is short lived in this part of the world, Where residents of the two countries struggle to face seemingly never ending violence and turmoil amid Syria's civil war and attacks by remnants of the Islamic State of Iraq and Syria (ISIS) social groups. of course, Even in locations where conflict has subsided, Fires currently raging in farmers' fields, depriving them of valuable crops.

The blazes have been blamed also consider on defeated ISIS militants seeking to avenge their losses, Or on Syrian regime forces battling to rout other armed groups. Thousands of acres of wheat and barley fields in both Syria and Iraq have been scorched by the fires within harvest season, what kind runs until mid June.

ISIS militants have a history of implementing a "Scorched earth guideline" In areas from which retreat or where they are defeated. this "A means of inflicting a collective punishment on those put aside, said Emma Beals, a completely independent Syria researcher.

ISIS militants claimed obligations for burning crops in their weekly newsletter, al Nabaa, Saying they targeted farms owned by senior officials in six Iraqi provinces and in Kurdish administered eastern Syria, sending the persistent threat from the group even after its territorial defeat.

ISIS said it burned the farms of "The apostates in Iraq together with the Levant" And required more.

"It seems that it'll be a hot summer that will burn the pockets of the apostates as well as their hearts as they burned the Muslims and their homes in the past years, this great article said.

countless acres of wheat fields around Kirkuk in northern Iraq were set on fire. Several wheat fields in the Daquq district in southern Kirkuk burned for three days straight yesterday.

In eastern Syria's Raqqa state, Farmers battled raging fires with items of cloth, bags and water trucks. Piles of hay burned and black smoke billowed above the job areas.

The Syrian Observatory for Human Rights said through 74,000 acres (30,000 hectares) linked farmland in Hassakeh, Raqqa and completely to Aleppo province to the west, Were scorched.

Activist Omar Abou Layla said local Kurdish led forces failed to react to the fires in the province of Deir el Zour, Where ISIS was uprooted from its last property in March, (...)

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Top Document: comp.unix.aix Frequently Asked Questions (Part 4 of 5)
Previous Document: 5.01: Non-IBM AIX hosts.
Next Document: 5.03: Memory

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