Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 9 years ago. Improve this question I run a home server with Linux (ubuntu). Data (not the os, not swap, not /home) is stored on a large software RAID5 … Read more
I have an issue with an archival server that is running a RAID 5. The server is being accessed only every couple of days, so I want these disks to spin down when there is no activity for a while. Disclaimer: I understand that spinning down disks is normally bad practice. I am not asking … Read more
I am running Ubuntu server 18.04 and I am using an ICY BOX IB-RD2253-U31 enclosure with two WD Black disks (no NAS disks) in RAID 1 mode (mirror). The external enclosure is connected via USB to the Linux server. The disks are two 1TB Western Digital Black disks, connected via SATA inside the enclosure (S-ATA … Read more
Latest problem is a locked SATA disk. It is a Samsung 870 QVO SSD. It has been locked a long time ago with the Dell BIOS password utility. But because an admin password was set, the system never prompted the disk password. The admin password is deleted now, however the SATA password is still set. … Read more
I’m trying to devise a simple boot option that would secure erase one or more drives in a computer. Imagine a scenario such as airport security where somebody has the authority to compel you to turn on and unlock a laptop that contains trade secrets. You power on the device and enter a password, but … Read more
I have an Ubuntu system which boots from a small NVME disk using software encryption, TPM, etc. to mitigate against data loss in case of theft. The system is interfaced with customised PCIe hardware to record data (possibly very large quantities of data). The end-user interacts with the system via a web-interface and they are … Read more
I turned off write caching on an SATA drive using hdparm -W0 $DEV Now, sometimes, the kernel decides, it’s a good idea to hard reset an SATA link in order to get communication to a drive back up and running (maybe it is a good idea, won’t judge it here). However, if that happens, the … Read more
I have a disk which was apparently put into PUIS mode with hdparm. As the disk does not spin up on power on automatically, I think I need to send it directly to the USB device (which is not even recognized as the device doesnt turn on) I think this means the device is bricked … Read more
I played with spindown and APM settings of my Samsung discs and now they spin down every minute. I want to disable it, but it seems it does not accept any of the spindown time or APM values. Nothing works, it’s all the same. Please help what values should be proper for it. I do … Read more
Compare: root@home:~# hdparm -I /dev/sdb | grep Serial Serial Number: WCJ025C8 Transport: Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6, SATA Rev 3.0 root@home:~# to: root@home:~# udevadm info -a -p $(udevadm info -q path -n /dev/sdb) | grep -i serial ATTRS{serial}==”0123456789ABCDEF” ATTRS{serial}==”0000:00:14.0″ root@home:~# I see this 0123456789ABCDEF a lot with … Read more
