Questions tagged [hdd]

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HDD vs SSD for mongodb database server

I am setting up a physical server for an application that we have developed, the purpose of this server is to run the server's own software and store its database (mongodb). On the server machine we ...
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Can I rebuild a failed raid 1 hdd with the same hdd that failed before?

everyone. I've made a mistake by detach one of the raid 1 hdd. And now it's a raid failure. Can I rebuild the raid with this hdd again? I've clean all the hdd trough diskpart on another pc. When i put ...
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Discover EXT4 (or other) Linux file system (e.g. bootable?)

I want to be able to identify whether some older SATA HDD's have Linux partitions. With the advent (and my fairly recent discovery) of Windows Subsystem for Linux (WSL) on Windows, I realize options ...
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Adding Drive(s) to WSE 2016 Storage Pool - Fails

first time posting. Straight to it then, existing WSE 2016 Storage Pool comprising (all SATA): 3 x 1TB HDD (Samsung SpinPoint F3) 2 x 2TB HDD (Toshiba P300) 1 x 3TB HDD (Toshiba P300) I want to add ...
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Object Storage vs HDD Block Storage

Currently I am using SSD Block Storage at Digital Ocean which is very costly. When I checked Vultr they are providing HDD Block Storage. Which is cheap. We have to store approx 700GB of data (Mostly ...
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2 answers
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Raid 5 with hot spare (17+1) somehow became Raid 5 without hot spare (18 + 0)? (Dell Poweredge T640)

So recently we have been having strange RAID storage server issues. The most recent issue I have no idea what could be going on. config is Raid 5; 17 + 1 (17 disk volume + 1 dedicated hot spare) A ...
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SM Indicate HDD LED

Sample Hello, sorry for my english. not my native. I cant resolve why blinking indicates. Right now i dont have IPMI access Right now i have access to OS (Ubuntu 20.04) I finded this and associate ...
1 vote
1 answer
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Max Hard Drive Size for SATA 2

Recently acquired a 1U Supermicro E3-1230 with two 3.5" drive bays, and thinking of buying two 18TB SATA-3 hard drives for it. Before I make this investment, would anyone know if SATA-2 (3 Gbps) ...
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1 answer
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SATA errors showing up in Journalctl while SMART Diagnostic ok - Motherboard issue?

After noticing abnormally long disk operations delays, I looked up journalctl and this is what I found: Feb 22 14:02:11.711182 Onan01 kernel: ata10: hard resetting link Feb 22 14:02:12.186958 Onan01 ...
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dd the entire SD card to one partition on HDD [closed]

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 ...
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Should Hard drives always set the rotatinonal flag in /sys/block/<device>/queue/rotational?

Folks, AWS exposes HDDs in their D3 instances (https://aws.amazon.com/ec2/instance-types/d3/) as nvme drives and these drives DON'T set the rotational flag as they're supposed to (https://lwn.net/...
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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 ...
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Installing a second disk in ODD via LS-9634P. HP 250 G5

I'm trying to connect an HDD drive through the Lenovo LS-9634P board to the JODD connector on an HP 250 G5 motherboard. Power adapter from board to drive: SlimSATA Male 7+6 13pin - SATA Female 7+15 ...
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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 ...
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1 answer
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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 ...
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Understanding output of zpool status and physically identify faulted disk

I have a ZFS running on an Ubuntu 20.04 server that currently is running in degraded state due to a faulted disk. The output of zpool status looks as follows: me@server:~$ zpool status tank pool: ...
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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 ...
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disks for a small esx-host: ssd raid5 or hdd raid10? [duplicate]

I am about to replace an ESXi host that runs some 20 VMs (mostly idling). Today around only 800Gb is used on an external iscsi-box, raid6 (total 7Tb). The new server will just simply have internal ...
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1 answer
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8 x 15k SAS hdd disk with raid 0 performance vs single SSD disk for database [closed]

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
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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 ...
1 vote
1 answer
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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 ...
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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 :...
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What linux distro support Host Managed HDD by file system?

According to this Seagate presentation there are some ongoing (?) efforts targeted toward modification of ext4 file system introducing SMRFS -EXT4 - support of host managed hard drives. The goal is to ...
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1 vote
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Legacy SAS HDDs with no access to erase the data on them

I need to erase then recycle a bunch of SAS HDDs. They are from servers (I removed from a local ISP for a client) that require 20 amp power, which my house doesn't have, so I can't just erase them in ...
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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 [/...
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2 votes
1 answer
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Using two SSDs for Hot-Warm-Cold Caching a HDD on Linux

I currently have a debian-based Linux system that I'd like to optimize heavily. This machine has three different drives: An SLC SSD, a QLC SSD, and a 4TB HDD. I wanted to know if it was possible to ...
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1 answer
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`fio` does not timeout even specified?

# fio --name=random-write --directory=/mnt/test/ --ioengine=posixaio --rw=randwrite -bs=4k --numjobs=1 --size=4g -iodepth=1 -runtime=600 --time_based --end_fsync=1 random-write: (g=0): rw=randwrite, ...
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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 ...
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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 ...
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