Questions tagged [scsi]

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2answers
3k views

Dangers of using external power source with internal hard drive

Is it okay to connect a internal hard drive (IDE/SATA/SCSI) to an internal controller (e.g. on-board the motherboard) and supply the power via another power supply or an external unit like the one ...
3
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1answer
14k views

How do I associate linux scsi device names with disk devices?

I have a CentOS 4.x server running software raid. The server has two scsi disks in hot-swap trays. mdadm reports that the raid has failed, and so I would like to replace it. I examine /proc/mdstat, ...
2
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3answers
223 views

What in the world is SCSI? [closed]

Wikipedia has a page for it, but even then the technical definition seemed a bit over my head. Can anyone describe in easier terms for what this is?
2
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1answer
108 views

How to connect an old SCSI Tandberg QIC tape drive with current systems?

I currently have a ton of QIC-250MB tapes that I would like to read from (its been 30 years). I have a Tandberg TDC 3600 SCSI interfaced tape drive but I am lost how to connect it. In the past, with ...
2
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1answer
2k views

Qlogic qla2xxx fibre channel HBA not displayed by targetcli

I'm experimenting with FC with a view to setting up a SAN but appear to be stuck at the first hurdle - I can't seem to get targetcli to give me the option of using my qla2xxx card as a target. I've ...
2
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1answer
14k views

SCSI LSI Logic vs SAS

I read that LSI SAS offers better performance than traditional SCSI. While creating a virtual machine in Vmware, i have options to select either Bus Logic, LSI Logic or LSI Logic SAS. However, LSI ...
2
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2answers
1k views

Clone a SCSI drive to an IDE drive?

Is it even possible to clone a SCSI hard drive to an IDE hard drive? If so what are some good free tools to do so?
2
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1answer
422 views

How to run windows command line when getting diskless boot error?

I am using diskless boot Windows 7 with iPXE. PC is intended to boot from vhdx, which i obtained by snapshotting sata(ahci) hard drive with sysiternals disk2vhd utility. Hard drive was previously in ...
2
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1answer
390 views

Accessing ironkey from command-line Linux system

So, this USB-key device (which registers as a CD-ROM / SCSI-device; weird, I know), which ships with a read-only partition (kinda?) including a Linux binary you need to execute to access to the data-...
2
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2answers
81 views

Cache of SCSI disk

I have a SCSI controller (HP Smart Array 642), using cciss driver on Linux, which is connected to several SCSI disks. I am trying to optimize the communication between these devices and came to the ...
2
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1answer
266 views

Same SCSI drive appears multiple times on the controller list

I have an Adaptec AHA-2940UW SCSI hostadapter to which I connected a single Atlas 10K III drive (and nothing more). When my computer powers up it shows POST and then the option ROM from the Adaptec ...
2
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2answers
1k views

What is the maximum SCSI LUN size?

What is the maximum size of single (i)SCSI LUN from perspective of SCSI protocol, what is the limit?
2
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1answer
646 views

My scanner isn't responding. It is connected to a SCSI interface using Windows XP

I have a Microtek ScanMaker 9600XL scanner. The best part about it is that it is 12x17 inches. Wowza! The worst part about it is that I've had it working at one point, with the same cable, same card, ...
1
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2answers
2k views

What are these SCSI connection types?

Simply put, what's the difference between these two SCSI connections? The top one comes out of an IBM x Series server and the bottom one comes out of a Dell PowerEdge (I beleive). Are these typical ...
1
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1answer
495 views

How to add a SCSI disk to share between two Server 2012 in Vmware?

I'm trying to add a second disk as SCSI to Windows Server 2012. This disk has to be accessible to another Server 2012 for some load-balancing purposes. How do I create such second disk and share it ...
1
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1answer
257 views

Is “Ultra320 LVD SCSI” the correct name of the interface?

I have a HP Ultrium 960 tape drive, but I can't figure out what the SCSI interface is called. The white paper doesn't mention it According to this site it is called "Ultra320 LVD SCSI". I can't ...
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2answers
4k views

Notebook does not boot from bootable USB to install Windows XP

I have a Dell Inspiron Notebook which has an Atom processor and which had a factory set-up of XP onto it. I had opted out the CD-ROM drive @ the time of purchase. Now my Windows XP is corrupted. I ...
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2answers
1k views

Mac SCSI Options [closed]

We have a user with an old contraption (weird DigiData 1322A digitiser) that currently connects to a PowerMac G3. The time has finally come to update the machine to either an iMac or Mac Pro Due to ...
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2answers
4k views

Reading data from an old SCSI hard drive

My girlfriend has an old computer that she didn't use for MANY years. It has some important pictures on its hard drive, so I tried to access that data. The HDD is an old Seagate ST34520W with a 68pin ...
1
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2answers
407 views

How to connect SCSI-2 External Hard Drive with HD50 connector to PC?

Is there a way I could connect my HD50-connector SCSI2 external hard drive to a PC and have it recognize it as a standard drive? I would like to avoid solutions like the extremely rare and expensive ...
1
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1answer
1k views

How to get the SCSI identifier by scsi_id command?

I never want to change the SCSI disk's name(/dev/sd*) even if the one of disks has been removed. Good article I found on Internet says that "Use the scsi_id command to get the unique SCSI identifier,...
1
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1answer
585 views

Raw reading USB mass storage or SCSI

Wife's USB HDD has a slight issue where a folder refuses to open (NTFS filesystem). I have been able to image the drive with Linux but for one sector (sectors are 4096 bytes). Reading that sector ...
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2answers
225 views

Software to perform RAID on different drive technology (IDE, SATA, SCSI, SSD)

May I know if there is any software (in Windows) that can perform RAID on different type of drive technology in a single computer? From my understanding, Hardware RAID card is needed to perform RAID ...
1
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1answer
6k views

Block diagram containing computer buses,motherboard

I am trying to understand computer architecture. In particular: - Physical view i.e. what all is packed inside the motherboard and what all outside - Conceptual view. how processor,memory,peripherals ...
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0answers
801 views

How to connect a USB to SCSI-2 adapter to a SCSI-1 50 Pin Centronics Tape Drive?

I currently have a tape drive that looks like: where the right side is a SCSI-1 50 Pin interface. I have at my disposal a few USB to SCSI-2 adapters, such as the iomega scsi to usb adapter, and the ...
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0answers
96 views

iostat equivalent for SCSI generic devices /dev/sg

Is there any equivalent tool of iostat with which i can monitor I/O load on SCSI generic devices that do not have a block device? I am interested in : operations per second reads/writes/others ...
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0answers
59 views

SSD is not detected if inserted after bootup in redhat Linux

I am working on redhat linux system and it is not detecting Solid state disk(not working as hot plugging) if i insert it after boot up. If the SSD's are present before booting up of system then those ...
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0answers
147 views

How to configure iSCSI Redirection on either Linux or Windows?

I am trying to set up an iSCSI redirection environmnt. First I tried with Windows Server 2012 following this video. But it seems the Windows Server 2012 doesn't provide the iSCSI redirection feature. ...
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2answers
516 views

Why is my tape drive so slow?

I have bought a used Quantum Ultrium LTO-4 tape drive and attached it to an HP Smart Array P400 SAS controller in my HP ProLiant N54l. I use FreeBSD 11 as my operating system. Now I have inserted a ...
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0answers
3k views

How to run chromium os on Hyper‑V without compiling anything?

Since Windows 8, Hyper‑V supports booting uefi systems provided the hard drive is emulated under an scsi controller, the result is if I download a build from http://chromium.arnoldthebat.co.uk/ ...
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1answer
828 views

VM to VirtualBox converted image - Could not find a storage controller named 'SCSI Controller' error

I converted a VMDK to an ovf image using ovftool. The VMDK had a SCSI disk. Now post conversion Virtual Box isn't able to import it - it gets the error Could not find a storage controller named '...
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2answers
2k views

Attach Cloud Storage as External Drive to Windows

I am looking to use a Cloud Storage provider as an attached drive on Windows Server 2008, kind of like an iSCSI storage device. I downloaded Google Drive which created a new folder on my system, but ...
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0answers
221 views

How to connect Ultrium 460 tape drive? (Ultra320 SCSI)

I have the opportunity to get, for nothing, an Ultrium 460 tape drive, and LOTS of tapes, which would give me enormous amounts of storage space to frivolously use on nothing at all. The problem is ...
1
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1answer
212 views

Can I turn off external SCSI tape drive?

I have a couple of external tape drives connected to a server (Ultra320 SCSI). I do not use them frequently, but they are on all the time collecting dust (because of the fans). If I turned them off (...
1
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0answers
697 views

dd SCSI image into VirtualBox

I have a very old Linux box (actually dating from 1998) wich used to run a legacy system. The system was discontinued, but the data must be available for consults. My idea was to make a image from the ...
1
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0answers
261 views

Installing Adaptec 2906 SCSI card on Vista machine

I'm having some trouble installing an Adaptec 2960 SCSI card using the Add Hardware wizard on this Vista machine. The machine isn't autodetecting the card, but when I attempt to point the wizard to ...
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0answers
2k views

CentOS - Add additional hard drive raid arrays on Dell Perc 5/i card

We have a Dell Poweredge 2900 system with Dell Perc 5/i card and 4 SAS hard drives attached, with NTFS partitions on them. We installed CentOS on one raid array on this controller with a different ...
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0answers
764 views

How to find out the number of the adapter, SCSI-ID and LUN (Logical Unit Number) for a USB-DVD-Drive?

I am using a DVD-Drive that is plugged in via USB. I have got a corrupted DVD which I try to recover by using the Tool h2cdimage. This tool needs the number of the adapter, SCSI-ID and LUN (Logical ...
1
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1answer
126 views

Copying Windows to a new hard drive

I have a SCSI drive(C:) with Windows XP on it and I want to copy windows to a partition(F:) on an IDE drive. So far I have used clonezilla to copy Windows from C: to F: and I can boot to F: while the ...
0
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2answers
1k views

Can I plug in an external SCSI tape drive while the system is powered on?

I've bought an HP Ultrium external SCSI LVD tape drive. I already have an adapter in my server, but I need to know if I have to shut down and power off the server before I can connect up the tape ...
0
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1answer
2k views

Can I use a SCSI Ultra 320 drive instead of SAS

I have a bricked SCSI hard drive that I need to replace. It has a SAS interface Model ST373455SS Can I replace it with this one Model ST373455LC that has an Ultra320 interface?
0
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1answer
328 views

Is it possible to make a USB flash drive with just 1KB of storage?

Introduction On a USB device I am developing, I want to offer a USB Mass Storage endpoint for configuration updates. The device is connected internally via a USB pin header, and to update the ...
0
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1answer
383 views

Connecting a 64 pin SCSI Drive to a Linux system

I have an old SCSI drive with a 64 pin connector that I had attached to an SGI machine and I would like to connect it directly to my Linux machine (SuperMicro Server). Is there an adaptor cable that ...
0
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2answers
3k views

Attaching SCSI drive through USB

I have a number of wide, 68-pin SCSI drives for which I need to copy the data off. I have tried to use a wide-to-narrow SCSI adapter (68-pin to 50-pin) coupled with an Adaptec SCSI-to-USB adapter (50-...
0
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1answer
449 views

Is SCSI asynchronous IO really slower than synchronous one?

I am completely confused with what I had just read on these two pages: http://www.scsifaq.org/scsifaq.html#_Hlk410546176 http://www.cse.scu.edu/~tschwarz/coen180/LN/scsi.html Both claim that SCSI ...
0
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1answer
126 views

Which cable do I need?

I just bought an HP MSA30 hard drive array. I believe it's the dual bus model because the interface card looks like this.... Can anyone tell me what type of cable I need to connect this to my server? ...
0
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2answers
605 views

Fibre Channel: QLogic Corp. QLA2300

My system is an Altix3000 running: (Linux sgialtix 2.4.21-sgi304r1 #1 SMP Sat Jan 29 22:43:29 PST 2005 ia64 ia64 ia64 GNU/Linux) (redhat-release=redhat-release-3AS-8.3). Which command do I use to list ...
0
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1answer
4k views

USB to SCSI 80 pin SCA adapter existance?

I got some older SCA 80 Pin SCSI hard drives that I would like to format and erase, but I do not have the old server they were once used in. Did any company ever produce a cheap USB to SCA 80 adapter?...
0
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1answer
271 views

Using QEMU to emulate DOS with passthrough SCSI access?

I'd like to use QEMU to emulate an MS-DOS system that will run a very specific proprietary software that needs to talk to a SCSI tape device. I see that QEMU offers passthrough access to the host ...
0
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1answer
77 views

Too many paths - impact on FC performance

I heard that too many paths could result in impact of storage infrastructure performance. Can somebody please answer why? This is not regarding number of paths for a single server, but looking at ...