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Questions tagged [hdd]

28 questions
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only flush the write cache if there's no read activity

Normally the Linux Kernel flushes the write cache if a specified time limit is exeeded or the cache is full. This leads to stalling with HDDs since the writing process makes reading processes much slower. That's why I want to avoid a flush of the…
france1
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What's the normal order of messages in dmesg when a USB HDD is failing?

I have a USB hard drive attached to a Debian GNU/Linux server. I'm trying to format it (NTFS), with this command: # mkntfs -v /dev/sdd1 which takes a few hours, because it checks the disk too. While checking, dmesg -T shows the following: [Wed Jan…
Lucio Crusca
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How can I add a new disk to my existing Ubuntu Server 20.04.3?

I'm wondering how I can go about adding a new disk to my server? I'm unsure how to do this. I've tried installing 'gparted' with this command $sudo apt install gparted But when I try to run it, it just spits out this message: $sudo gparted Unit…
Dan
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HDD with SSD Cache to RAID6?

We got 8 HDDs in our server (Dell PowerEdge R730), combined as a RAID6 array. Yesterday evening one of the drives failed, so we are looking now for a replacement. I've found the Seagate Exos E 10E2400 which got a 256 MB Cache and a 16 GB SSD…
Dominik
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Hard drive temperature in HP ProLiant DL380 G7

Which temperature sensor shows the temperature of the hard drives in the HP ProLiant DL380 G7 server using ILO 3? (the "Temperature" tab shows 30 temperature sensors, but which one is responsible for the token disk?). Is there a transcript of the…
Dmitriy
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Required PSU Power for 12 HDD SATA 7200RPM (i have 20 A on my PSU peripheral channel)

I have a Tower server with today many hard drives and i would like to add hard drives for securing a raid group and also to extend storage capacity. Hardware spec before adding everything else : PSU : ENERMAX REVOLUTION D.F. 850W 80+ gold (20Amp…
Benjamin H
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Identify HDD failure by sound + Is it safe to run smartctl on a mounted RAID1?

Basically, I have two WD HDDs in a programmatic RAID1 (no special hardware): $ lsscsi --verbose [0:0:0:0] disk ATA WDC WD10EFRX-68F 0A82 /dev/sda dir: /sys/bus/scsi/devices/0:0:0:0 …
miqem
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Mixed HDD size storage system with parity

Im searching for a way to get the most out of "spare" HDDs. Following setup given: 1x 2 TB 2x 3TB 2x 6TB What i want/need is: Parity (1x HDD can fail. For example, one of the 6TB. Data should still be accessable) Most storage possible, without…
Marc
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Is there a benefit to having SSD for OS and spinning disk for VM's

Just about to rebuild a small server which would typically be a couple of 4TB spinning disks in RAID1 to hold the OS and the VM's, for 4TB (x2) the cost is still quite high for all out SSD, but I was wondering if a compromise would be to have…
omega1
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Laptop disk swap HDD to SSD

In order to get a little more boost out of an oldish laptop, I want to swap the internal HDD out with an SSD. The laptop is: Acer Aspire E 14 Touch (E5-471P-32VS). I started by backing it all up, and upgrading from the original 8.1 to Windows 10,…
Conrad
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dd the entire SD card to one partition on HDD

This particular question is related to Raspberry Pi, but in fact, this is a general question. So, I have an SD card with RPI system running on it consisting of two partitions: Disk /dev/mmcblk0: 59.5 GiB, 63864569856 bytes, 124735488 sectors Units:…
ihorc
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Is there a risk for HDD being loosely packaged for transportation?

I have received two HDDs (for a NAS) in a loosely package and not really sure if it is safe to keep them. My concern is that they might have been damaged during transportation. Although it doesn't seem particularly dangerous to me all major…
devnull
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8 x 15k SAS hdd disk with raid 0 performance vs single SSD disk for database

Which one has a better performance for database application (e.g. postgres) if we just consider read/write operations speed and not fault tolerance 8 x 15k SAS hdd disk with raid 0 single SSD disk
Ali Eb
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