Raw LVM disk write is four times faster on host than inside KVM guest?
Nick asked: I’ve got a Debian 10.6 Host, with a Debian 10.6 guest. KVM/Qemu/libvirt. The host has a software RAID 10 array with 6 mechanical disks. LVM is on top …
Does IDs from `ls -l /dev/disk/by-id` output are unique to a disk? – DELL PERC card
Lucio Queiroz asked: Does output from ls -l /dev/disk/by-id can be used as a universal disk identifier? I am currently trying to find a unique identifier that I can use …
SMART test failures on harddrive
Martin asked: i have probably problem on my system with SMART failures on my harddrive. There is used OS: SLES 11.2 i586. Problem is, that recently there appeared some errors …
Fio brandswitch measure
ogbofjnr asked: In disk benchmarking tool fio there is statistics for brandswitch Run status group 0 (all jobs): READ: bw=20.9MiB/s (21.9MB/s), 10.4MiB/s-10.8MiB/s (10.9MB/s-11.3MB/s), io=64.0MiB (67.1MB), run=2973-3069msec According for docs: Values …
Error 54046 occurred at disk power-on lifetime
Puneet Dixit asked: I am using Ubuntu 20. Few days ago, OS was failed to boot and giving harddisk error. So I boot Ubuntu from PenDrive and run smartctl to …
How does OS read disks that were formatted as 520?
netrox asked: The question is about disks that were formatted as 520 or 528 bytes rather than 512 bytes. How does the operating system read data if I cannot access …
How can I recover data from a five disk raid 5 on HP Proliant DL 380
Yomi Farinde asked: How can I recover data from a five disk raid 5 on HP Proliant DL 380 where four of the five disks are reporting a SMART error. …
HDD SATA speed setting
Kuntau asked: I just noticed this info from smartctl Does that mean I’m running inferior SATA II speed? If yes, how do I enable SATA III speed? smartctl 7.1 2019-12-30 …
Systemd error "Timed out waiting for device dev-sdl2.device"
Ryan Jeremiah Freeman asked: I’m getting this error showing up in my logs. Sep 19 23:50:24 MY-SERV systemd[1]: dev-sdj2.device: Job dev-sdj2.device/start timed out. Sep 19 23:50:24 MY-SERV systemd[1]: Timed out …
While RAID1 is resyncing after create, can i write files to it immediately?
ShenLin asked: I searched but i just found this. How to interrupt software raid resync? My question is can i write files to my raid1 device while… [[email protected] ~]# cat …