scsi

I have an old server that is on the verge of being retired. Very old. :-D FreeBSD 4.9 It has an Adaptec AHA-2940UW card. Today I cleaned it out and removed the DAT tape drive that was connected to the narrow bus (50 pin cable) but had never really been used. The main HDD is running on the...

I have a Minolta Scan Dual SCSI film scanner attached to an Adaptec 2920c PCI card, but I cannot get it working under FreeBSD after days of trying (13.1-RELEASE-p7, generic kernel). I have kept a dual boot option on the computer for obscure programs that will only run under Windows and so, after...

Hi FreeBSDer's, I use FreeBSD VM's on my Ubuntu KVM / QVM Host and have recently experienced a number of issues when using 11.3 & 12.0 Releases and the SCSI disk and and Network drivers with 64-Bit Q35 VMs and OVMF (open virtual machine firmware - EFI for VM) firmware. I am posting here before...

I have recently setup FreeBSD 12.0-RELEASE on my HP Pavilion 15-p051us. Most of the hardware works correctly, however one major exception is USB, most specifically with mass storage devices. When I connect a mass storage device to my laptop (on either one of the two USB 3.0 ports or on the USB...

Serial Attached SCSI (SAS) has been around for a few years, but there hasn't been much news about them. There aren't that many consumer products out for it either. I believe a SAS interface can run both Serial SCSI and SATA harddisks through the same type of cable. However, a SATA interface is...

I've re-purposed an old HP X1600 storage server to be used as an archive file server. It has an HP SmartArray P420 in HBA mode and a 12 drive SAS backplane. The drives are 1 TB Western Digital RAID edition disks. As part of making this server suitable again I've started zero'ing all the hard...

Hi, I have an issue with Seagate ST10000NM0016 drives sporadically refusing to work. 8 of them are attached to a 9207-8i controller and assembled in a RAIDZ2. At unpredictable intervals, drives throw errors like (da6:mps2:0:45:0): SYNCHRONIZE CACHE(10). CDB: 35 00 00 00 00 00 00 00 00 00...

I am a relative noob to the storage world in general and FreeBSD in particular. OF what I have been learning of late, I have become somewhat familiar with such concepts like disk queuing, IOPs, latencies and the likes I am also reading the classic 'The design and implementation of the FreeBSD...