hdparm is a command-line tool on Unix/Linux platforms used to adjust or inspect hard drive configuration parameters.
Questions tagged [hdparm]
37 questions
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Spin up all raid drives at the same time
Here is the configuration:
4 HDDs in a RAID-5 array (mdadm)
hdparm spin_down_time set for all disks
Debian jessie 8.11
When the drives are in standby mode and the RAID array is requested, they wake up "sequentially", one after another.
It makes…

Tigger
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0
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Spin down of Icy Box Raid Enclosure not working
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…

JJ Abrams
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0
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2 answers
Why does udevadm not provide me a disk serial number when hdparm can?
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…

Brad
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how to know what is disk uuid for md raid1 and hdparm?
ive got md0 (raid 1) array and want to make write cache off on them during system boot (ubuntu 12.04 server).
md0: /dev/sda /dev/sdc
blkid:
/dev/sda: UUID="3e502de5-696d-f4b4-470e-XXX" TYPE="linux_raid_member"
/dev/sdb1:…

MealstroM
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Disk is spinning down each minute, unable to disable it
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…

lzap
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Unlock SATA SSD locked with Dell's HDD password option in BIOS
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…

Earl Hughes
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-1
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1 answer
linux "hdparm -B" what is a good power management value?
I run a home server with Linux (ubuntu). Data (not the os, not swap, not /home) is stored on a large software RAID5 array.
The server is on 24/7, but to reduce noise I would like the raid drives to spin down automatically after about 10 minutes when…

Jost
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