SCSI (Small Computer System Interface) is used to connect and communicate between computers and peripheral devices, such as hard disk drives, tape drives, CD/DVD drives, and scanners.
Questions tagged [scsi]
85 questions
35
votes
3 answers
Why does the Linux SCSI subsystem drive hardware not obviously related to SCSI?
Without knowledge, I would normally expect SATA, SCSI and USB Mass Storage to be driven by different drivers. In Linux however, the SCSI subsystem drives all of them.
Why does Linux use the SCSI subsystem to drive even things not clearly related to…
mcendu
- 543
5
votes
2 answers
How to send the harddisk password to an SATA HDD that is connected via a USB Adapter?
Using powershell on Win 11 could I send the password to my harddisk which is connected through and USB-SATA-Adapter?
I have a USB-SATA-Adapter for my HDD and SSD. (JMicron Tect SCSI Service) in the hardware manager on Win 11)
The HDD and SSD have a…
John
- 288
4
votes
2 answers
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 below:
Does it matter if the external power supply…
Richard
- 41
4
votes
0 answers
How to change error behaviour of DVD-Drive?
I'm using a couple DVD-Drives under Linux that show different default behaviour when it comes to faulty sectors.
Behaviour has been tested with a faulty commercial video DVD reading it sector wise (2048 bytes) with normal file seek and read…
user2011659
- 141
3
votes
1 answer
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, which tells me my two raid devices have…
David Mackintosh
- 4,002
3
votes
1 answer
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 logic is recommended by vmware inspite of the…
Karan
- 205
2
votes
1 answer
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 not used FC before, and am attempting to use RHEL…
hygri
- 469
2
votes
2 answers
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?
nudzo
- 248
2
votes
1 answer
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 HostAdapter. Here I can see the Atlas drive listed…
Ohad Schneider
- 772
2
votes
2 answers
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 place, that I should check how full is the cache…
Rufi
- 181
2
votes
1 answer
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, same computer, but have since re-installed…
Bob
- 141
2
votes
2 answers
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 on the same type of drive technology in a single…
Larry Morries
- 558
2
votes
3 answers
What in the world is SCSI?
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?
Dark Templar
- 2,699
2
votes
1 answer
Can I Use a Parallel Cable With Two Male Ends As a SCSI Cable?
I have an old SCSI Zip Drive that I want to use with my old Macintosh Plus as a replacement for a HDD. The Zip Drive has two female DB-25 SCSI ports on it, one for connecting to the computer, and the other for connecting to another SCSI device. The…
qrani
- 21
2
votes
1 answer
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 SCSI bus, and it looks like it can also emulate a…
Dmitry Brant
- 269