Questions tagged [hdd]
The hdd tag has no usage guidance.
32
questions
3
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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 ...
- 131
3
votes
0
answers
490
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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 ...
- 131
2
votes
1
answer
1k
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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) ...
- 601
2
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0
answers
114
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Transferring RAID1 to a new motherboard after HDD failure, and no "Superblock" found
First an OS SDD failure followed by a mobo failure, new mobo/cpu/ram later, and I have a RAID1 with a single working disk, and I am trying to get it remounted so that I can add in a new replacement ...
- 163
1
vote
1
answer
375
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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 ...
1
vote
1
answer
439
views
`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, ...
- 245
1
vote
0
answers
87
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VMWARE ESXI // Create the datastore with VMFS disk without formating
We've faced the problem.
After the voltage drop, our RAID1 disks in ESXI datastore stopped working.
With the help of the master we've created an exact copy of one of the old disks on the new disk.
It'...
1
vote
2
answers
66
views
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 ...
- 11
0
votes
2
answers
586
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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 ...
0
votes
2
answers
163
views
HDD failed, but can PCB replacement fix it?
My WD RED WD80EFAX HDD suddenly died last week: I shut down my Proxmox server, booted it up again and the drive started "clicking". It was clicking for a while, until it stopped and no ...
- 9
0
votes
1
answer
506
views
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 ...
- 103
0
votes
1
answer
912
views
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 :...
- 31
0
votes
1
answer
514
views
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 ...
- 416
0
votes
1
answer
99
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After disk reinstallation 2 disks in RAID1 became foreign // PowerEdge r720
I'm a newbie in DELL servers, so need your advice.
First of all, we have PowerEdge r720 with 4 HDDs, two 2TB SAS with RAID 1 and two SAS 1TB in RAID 1 too.
After the 1 of the HDD was plugged out and ...
0
votes
1
answer
795
views
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 ...
- 3
0
votes
1
answer
434
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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 ...
- 135
0
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1
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271
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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/...
0
votes
2
answers
497
views
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 ...
- 432
0
votes
0
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35
views
Does HP DL120 G9 support SSD?
I have some HP DL120 G9 with 4 x 3.5" HDDs that I want to upgrade to SSDs.
HP sells 3.5" SSDs, for example EAN 190017545103. Does the DL120 G9 support this drive or what options do I have?
...
0
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0
answers
38
views
Change Azure VM Disks from SSD to HDD
I have an Azure VM with 8 disks attached, and all of these disks are formatted as one disk on the OS. They are all SSD's, but I would like to change them to HDD's. Can I just do this for each of them ...
- 472
0
votes
0
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42
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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 ...
- 1
0
votes
1
answer
272
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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 ...
- 23
0
votes
0
answers
216
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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 ...
- 1
0
votes
1
answer
322
views
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
0
votes
2
answers
687
views
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 ...
- 9
0
votes
2
answers
253
views
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 [/...
- 1
0
votes
2
answers
618
views
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 ...
- 127
-1
votes
1
answer
518
views
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 ...
- 43
-1
votes
1
answer
1k
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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
- 1
-1
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1
answer
53
views
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 ...
- 121
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1
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67
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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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-2
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1
answer
37
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Server Hard drive Upgrade/ Swap [closed]
Good morning everyone,
My server at work has hit its ceiling with only 300mb left.
Can I just switch out old hdd's for new?
The Storage rack is a Netgear ReadyNas 4200.
Any help would be greatly ...
- 1