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Questions tagged [scsi]

Small Computer System Interface (SCSI) is a set of standards for physically connecting and transferring data between computers and peripheral devices.

The physical SCSI interfaces - originally used to attach peripherals like disks, scanners and tape drives - have mostly been superseded by and .

The SCSI command set that was originally defined for (parallel) SCSI buses has been carried forward with minimal change for use with , , Serial Attached SCSI , and other transport layers.

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Linux Rhel5.6 : SCSI protocol version -- where is it defined?

In our environment, we have several storages cabinets connected to RH Linux servers. Depending on the storage cabinet connected to the host, some LUNs are seen using SCSI protocol version 2 (version=0x02 [SCSI-2] ), others are seen with protocol…
Mike
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How do I power SATA drives in my DELL poweredge 2850?

I have a Dell 2850 which I've been fairly happy with. It runs RAID 5 to 6 Hot-swap SCSI drives, but I'd like to add some cheap storage. So I bought an Intel PCI-X SATA raid card and tried to install it. Problem is that my 2U server doesn't have any…
Eric Fossum
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Extracting data from a RAID 1 array with out original controller

A Dell x346 server crashed (motherboard went bad) and I need to get a few files off of the hard drive. They are 2 SCSI hard drives in RAID 1. As far as I know both drives are fine. Can I just put one of the drives in another computer and get the…
evolvd
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Why are these SCSI drives always clicking?

I have two 9 GB SCSI hard drives in my very low volume web server. (We need to put some larger ones in soon but they're good enough for now.) Since the day we setup this server, back in 2003, the hard have noticably clicked. The clicking has…
Tony Toews
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SCSI disks in server

this will be maybe dumb question, but I want to be sure before starting doing anything. I have here Dell PowerEdge 2800 and needs to put into it another disk. The problem is that I took this drive from another server and now needs to do a image of…
martin.malek
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What is the best hard drive type for a small file server?

I have a fairly speedy computer that I'd like to use as a file server. The motherboard has IDE and SCSI ports. What is the best hard drive type to use? (IDE/SATA/SCSI, etc) Would it be smart to get a SATA card to run drives? Usage: 15 users,…
Andrew C
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what is the best practice when rescanning scsi disks reliably in linux?

I'm constantly having to make SAN changes which means that I am also constantly having to rescan the scsi bus so that my various changes are reflected in the machines I've exported disks to. I've been plauged for some time by various facets of…
Rusty Weber
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SAN: FC vs SAS vs iSCSI

I am currently preparing for an exam. I thought FC (Fibre Channel) was the transport protocol for SCSI and SAN. But now I read, that you have to decide if you want to use FC (SCSI), SAS or iSCSI in an SAN-Network. Why can't you use SAS with Fibre…
Netherstorm
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Does SCSI HBA ata_piix or mptspi correspond to VM's virtual disk in VMware?

I have a Debian VM running on VMware where cat /sys/class/scsi_host/host?/proc_name returns the following output: ata_piix ata_piix mptspi I understand from this that the VM has three (virtual) SCSI HBAs. How can I find out which of these HBAs…
rookie09
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Add a SCSI disk on Linux without rebooting

I added new disk to my running Linux virtual machine. Is it possible to add a SCSI/SATA device explicitly, or to re-scan an entire SCSI/SATA host bus without rebooting a running Linux?
Oleksandr Suvorov
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SATA disks being identified as SCSI

I have two identical servers with same hardware and cloned Linux OS. They both have Supermicro HBA AOC-S3008L. Yet one server identifies SATA disks as SCSI while the other one correctly identifies them as SATA. My problem is that I need to use…
Nima Mohammadi
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Automount ATA/SCSI drives with systemd

I am attempting to automatically mount all ATA/SCSI drives on boot using systemd and udev without utilizing /etc/fstab. This is necessary because filesystems need to be mounted on directories named for their UUIDs, and the drives are always being…
user339676
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How to make SCSI enclosure LEDs blink?

I have a SCSI enclosure (supermicro BPN-SAS-825TQ) residing on Ubuntu 16.04. Is there an sg_ses (or sg_senddiag or other) command I can send to the enclosure, that will make the Rear LEDs blink, even if there's no disk in the enclosure?
boardrider
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Failing to mount SCSI from HP Modular Smart Array (MSA20)

I have acquired a HP dl360 g4p with a MSA20 Modular Smart Array. Currently I have Arch Linux installed on it since I had some issues with the graphics. But that is not why I am asking a question. There is an issue with mounting the array. I…
kitzin
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FreeBSD VMware and CAM status: SCSI Status Error

I'm running a FreeBSD 10.1-RELEASE-p19 on a VPS (VMware). My ISP is experience a rapid data growth, and these messages spontaneous started to show up in our logs a week ago. Sep 25 09:00:50 srv03 kernel: (da0:mpt0:0:0:0): SCSI status: Busy Sep 25…
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