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Questions tagged [scsi]

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9
votes
1answer
6k views

Why do my SATA devices show up under /proc/scsi/scsi?

I have 3 SATA devices on my system. They show up under /proc/scsi/scsi, although these are not SCSI devices. Why do my SATA devices show up under the SCSI directory? $ cat /proc/scsi/scsi Attached ...
3
votes
2answers
566 views

What does Fedora Workstation 29 use as the default I/O scheduler?

If it depends on the exact type of block device, then what is the default I/O scheduler for each type of device? Background information Fedora 29 includes a Linux kernel from the 4.19 series. (...
6
votes
5answers
6k views

How to fix mpt2sas “port enable: FAILED with timeout (timeout=300s)”?

Since having set the drives attached to an LSI SAS 2008 controller to "Power up in standby", these drives are no longer being detected. Power up in standby is also known as PUIS, POIS or "ATA6 power ...
3
votes
2answers
217 views

How to prevent FreeBSD from disconnecting a drive device?

While accessing a drive with high error rates (as, for example, here for opensuse) in FreeBSD, the system eventually disconnects the drive and it disappears from /dev. This makes it impossible to run ...
3
votes
2answers
594 views

How to get Linux to completely ignore a SCSI drive?

Similar to this question I a am interested in completely ignoring a drive, but in my case it is one drive which is exposed to the system as a SCSI drive. I have two drives from 21 drives in the server ...
3
votes
1answer
6k views

How to install much newer mpt2sas driver version in debian squeeze?

Linux debian squeeze 6.0.6 (2.6.32-5-amd64) is supplied with quite an old 02.100.03.00 version of the mpt2sas driver. I do wish to install a much newer mpt2sas driver version. In know there are ...
2
votes
2answers
2k views

Are any SCSI modules needed in initrd if only SATA and IDE disks are used?

I am creating a cloning script to automate a minimalistic installation of Cent OS 5.5 on about 100 workstations of various hardware and age (2-10 years). The workstations are all either IDE or SATA. ...
1
vote
1answer
101 views

Old Unix and old partition table

We have a Unix OS which was installed in 1985. This system is installed on a SCSI hard disk. I can probe the specification of the hard disk, but I cannot read the partition table. It's not damaged, ...
1
vote
1answer
3k views

VMware: `SG_IO: bad/missing sense data` on a fresh SCSI virtual disk

I'm running VMWare Workstation 12.1.1 Pro under Windows 10, with a guest Linux Mint 17.2 with virtual hardware version 11. My only current disk is a virtual SATA. When I add a virtual SCSI device at ...
0
votes
1answer
220 views

Why is `ioerr_cnt` rising, without showing any messages in the log?

$ cd /sys/devices/pci0000:00/0000:00:1f.2/ata2/host1/target1:0:0/1:0:0:0 $ ls -l driver subsystem lrwxrwxrwx. 1 root root 0 Apr 5 10:48 driver -> ../../../../../../../bus/scsi/drivers/sd ...