Questions tagged [ssd]
Solid-state drive refers to a data storage device that uses solid-state memory to store its persistent data.
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How to format NVMe drive in Linux suitable for raid 1 and lvm on xen Host
I want to create a software raid on two identical SSDs
How do I create partitions and format them optimal?
lsblk
nvme0n1 259:0 0 953.9G 0 disk
nvme1n1 259:1 0 953.9G 0 ...
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Unable to get my rsync of my software RAID 6 past 40MB/s. Looking for suggestions
Wondering what I could adjust to get my RAID 6 Software Raid to resync quicker. Currently it's proceeding at max of 64MB/s and averages to something around 25MB/s. Hoping to get it to 200MB:
[...
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Convert from Spinning drives to SSD on PERC H700 RAID 1
I have a Dell R510 running a PERC H700 Hardware RAID controller, with 2 2.5" 1TB HDs in a RAID 1 configuation for the OS, and 12 3.5" 2TB HDs in a RAID5 config for a data filesystem. I have ...
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Software Mirror RAID1 using NVMe SSDs - Hardware Considerations for Reliability and Durability [closed]
I am planning to use Windows Storage Spaces to create a 2-way mirror volume (i.e. Software RAID-1) out of 2 NVMe SSDs, with the most important factor being reliability and data redundancy (performance ...
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SSD Configuration choices for a 2-Way-Mirror Software RAID
I want data redundancy for my SSDs, and so would likely be using a software RAID like Windows Storage Spaces in a simple, fully-provisioned 2-way mirror configuration.
To minimize the risk of both ...
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Install an NVMe SSD on a Dell Precision 5820 tower
I have a Dell Precision 5820 tower that came with 2 NVMe SSD disks on the FlexBay (the front compartment). I have been talking to Technical Support in my country (Spain) to find out how to install a ...
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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?
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File access on SSD array suddenly slowed down; TRIM appears to be unavailable. How to enable, or what else could it be?
We have a system that's used for a GIS database (with Postgres as the underlying engine) which is using a software RAID 5 array of 4x2TB Samsung EVO870 SATA SSDs as its database drive. There is a ...
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Replacing a single SSD in 4 disk mixed software RAID 1 & RAID10 system
I'm about to replace a single SSD in a 4 SSD RAID 1 & RAID10 system. My webhoster will only do the drive replacement, but not help with adding it back to the array after. I've not done this before,...
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RAID-5 read speed is very slow
I have windows 11 pro for workstation and use 2 RAID-5 volumes for storage (nvme group and ssd group). The read speed for the nvme group is around 2220 MB/s and the write speed is around 170 MB/s. SSD ...
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SSD Software-Raid-0 Ubuntu not as fast as expected
I have an MB ASRock B650 Phantom with two SSD 1TB Samsung 990 PRO m.2 PCIe 4 drives. I set them up in a software Raid-0 with lukscrypt on Ubuntu. The SSD should reach 7.450 MB/s reading, in my naivety ...
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PowerEdge430 - BIOS can detect SSD, but OS installer cannot
I have a Samsung SSD 860 EVO 2.5" SATA III 500GB which I'm trying to use as the OS installation drive for a newly-acquired PowerEdge R430 with 8 2.5" drive bays. I've installed the drive in ...
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RAID10 on SSD drives
I can't find information about using SSDs in RAID10. If I want to build RAID10, should I create RAID partition in 80% of total drive size on each drive?
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Cloning data from a damaged SSD
The SSD went into read-only mode, so you need to move the partition to a working SSD, but I encountered the fact that the LVM size is different:
#lvm pvscan
PV /dev/sdc3 VG pve lvm2 [&...
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Booting specifics on NVMe
I have a problem with transferring my OS from SATA SSD to PCIe NVMe and maybe someone can give me more ideas to solve the next problem.
The hardware is HPE MicroServer Gen8 running Windows Server 2022....
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Adaptec ASR-6805T can create raid from ssd only?
I'm about to move my Proxmox home server from NAS to RAID 10. I'm a hardware RAID fan, so I chose a solution among inexpensive old controllers. In the course of studying budget solutions for the home, ...
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HP DL360 Gen 8 not recognizing SSDs
I have HP DL360 Gen 8 Server with P420i controller. I've populated it with 4x1TB HDDs and 2x1TB SSDs. HDDs are recognized correctly and they are visible in controller configuration tool (smart array), ...
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USB SATA adapters not working with SSDs
Has anyone else experienced issues with USB SATA HDD adapters working fine for traditional hard disks but not for SSDs?
I haven't been able to find any information about this, but I've now encountered ...
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How to combine an SSD with two HDDs in a RAID1-ish hybrid setup?
Coming from Linux SSD as HDD cache, I'd like to set up an SSD (or rather a partition thereon) as cache for basically a RAID1 of two HDDs. But since the data might remain cached on the SSD for while, I ...
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Does daily rsync OS backup push SSD drives to its limits?
Since past year I'm using Rsnapshot (which uses rsync) to do my daily laptop Linux Ubuntu OS backup to a local NAS.
Some months ago I started having serious problems with the OS stability. It seems ...
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slow performance on ssd when using kvm to launch vm's
On my host hardware I have 1G's speed
on my vm I create using kvm it drops to around 20MB's
My host is running ubuntu 22.04 LTS
How can I optimise this?
I am using file based VM's. I created disk ...
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HP DL360e Gen 8 b320i raid controller with any linux distro not detecting RAID with SSD
I would need some help with an HP DL360e to install ssd's using the b320i raid controller. I prefer using the controller over software raid, unless I really have to.
I tried the latest Debian and ...
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Distributed SSD cache for network storage
Our small computing cluster has 3 computing nodes and 1 file server. The file server has around 70TB data to be accessed by the 3 computing nodes. All of the 3 computing nodes have 3 4TB SSDs which ...
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Erratic SMART readings on one member of a RAID 1 array
I am managing a server that uses 2 nvme ssds on RAID 1 connectivity.
At once point I lost access to one of the 2 and got my normal raid array degraded mails from mdadm.
So I asked from the hosting ...
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Why is ceph is not detecting ssd device on a new node?
I have installed a ceph cluster (quincy) with already 2 nodes and 4 OSDs.
Now I added a 3rd host running Debian (bullseye) to the cluster. The new host is deteced correctly and runs a mom.
The problem ...
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Flash Crucial SSD firmware through PERC 730P Mini RAID controller
We've got a number of Crucial drives in Dell r630 servers with PERC 730P Mini RAID controllers that need their firmware updating as they're still on version M3CR032 with the known issues.
The servers ...
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Does the data size of an SSD chip have compatibility issues with certain boards?
I'm considering getting an 8TB SSD storage chip for my Intel NUC mini-server (I install linux on it). However, I'm wondering if there are any considerations one needs to take when adding that much ...
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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 ...
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Why does fsck not working when I try to repair the filesystem
I try to mount /dev/nvme0n1p1.
Disk /dev/nvme0n1: 465.76 GiB, 500107862016 bytes, 976773168 sectors
Disk model: Samsung SSD 980 PRO 500GB
Units: sectors of 1 * 512 = 512 bytes
Sector ...
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How to mount a used ssd to a linux server
I want to use my secondary ssd onto my server (the ssd was earlier was used on the same server before the OS on the server was reinstalled). How to mount the ssd so that I can use the old data?
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Can I make hotremove/add on raid5 with mdadm?
I created and assembled software RAID5 array (mdadm), 15 SSD disks.
If I physically remove several disks and add them back, RAID doesn't assembles back. Disks stays in "spare" mode. Even ...
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fstrim is very slow on xfs and always return same value unlike ext4
I just noticed if I do time fstrim /<some ext4>; time fstrim /<some ext4> the 2nd call usually print 0 bytes trimmed and finished immediately. However if I do same thing on XFS, 2 of the ...
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how to find page size of my SSD?
Most of my SSD's report 512 as physical sector size when querying with smartctl, nvme-cli and hdparm. But we know these are all fake values. I would like to know the proper page size so I can get the ...
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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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How does RAID0 affect IOPS performance for NVMe SSDs?
I have an application which needs to read large amounts of small and randomly distributed entries from storage. To improve the performance I am considering to install a specialized hardware RAID ...
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Is it a good practice not to use all the disk space for RAID?
I'd like to configure a pair of 4TB SSD drives in RAID1.
I consider that when in several years one of the drives fails, and I would want to exchange it, the exact model I have now might be unavailable....
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Are Western Digital SSDs compatible with QNAP TS-469U-RP NAS?
I just purchased a QNAP TS-469U-RP NAS. It is my understanding that just about any SSD will be compatible to work in a NAS, as long as the make and model of all four drives are identical. That being ...
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Disk speed on Azure Virtual Machine Scale Set is slower than advertised
I have an Azure Service Fabric cluster with 5 nodes, baked by an Azure Virtual Machine Scale Set. The size of the instances is Standard_D2ds_v4 with an advertised disk speed of max 3200 IOPS. At the ...
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Optimise Write performance on a RAID array of SSD [duplicate]
We've 8 Samsung 970 Pro 1Tb drives (PCI3) in a HighPoint NVMe RAID Controller, which I want to optimise for write performance at the cost of any other consideration. All of our files will be around ...
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RAID10 Performance on newer hardware slower then RAID5 performance on older hardware?
I am currently trying to figure out a performance issue with a new server compared to a old server. Performance should be better but it's not and I'm having trouble figuring out why.
Old server is a ...
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Google Cloud Platform instance creation failure (Invalid value for field 'resource.disks[1].initializeParams.diskSizeGb')
I'm trying to create an instance using GCP. The followings are the specifications (the rest of the settings are set as default):
Region: us-west1-b
GPU type: NVIDIA Tesla V100
Number of GPUs: 1
Series:...
google-cloud-platform
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SSD IOPS inquire
I have question about IOPS
For example is there difference in IOPS if the SSD was ( sata 2.5 or M.2 sata or M.2 M-key nvme )
i know
sata interface = 600MB
M.2 sata = 600MB
m.2 M-Key nvme = 2000MB
But ...
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Disk doesn't show any partition table or partition changes
I wanted to clone an encrypted drive to a new drive, so I set up CloneZilla to do a disk-to-disk clone. At the beginning, it said 9 hours to run, so I let it run overnight. The next day, it had 145 ...
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satadimm reliability as the server operating system
I have seen little information about satadimm. I bought a server for a colocation and it came with a viking 400gig satadimm, the first time for me. I thought this was pretty cool, and I was told you ...
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RAID performance with 10xSSD on an HP P420i [closed]
I am planning to use 10x 8TB Samsung 870 QVO SATA III 2.5" SSD in an HP DL360 G8 server that uses P420i smart array controller.
Each SSD has a max of 530 MBs speed in sequential reads. ...
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lvmcache/dm-cache writeback cache full performance
I have a SSD writeback cache in front of a HDD, set up through lvmcache (so a dm-cache). When the cache LV is not full (Data% column in lvs < 100.00%), writes go to the cache device (monitored via ...
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RAID controller detecting SSD as foreign after every reboot
My server, an R610, has been detecting my SSD as foreign after every reboot. It has a PERC 6/i RAID controller, but there's no actual RAID stuff (I just have all the drives as their own VDs).
This had ...
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What's the best means to clone the root linux hard drive to a new drive?
I bought a new enterprise grade SSD to replace my Samsung SSD. It was $500, not cheap. Anyway, the purpose is to have a more reliable and longer-lasting root hard drive, since a non-enterprise drive ...
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FIO 17x slower on ZFS than raw device
I have ZFS pool RAIDZ-1 on 4 x 3.84TB SATA3 'enterprise' SSDs.
zfs create rpool/fio
zfs set primarycache=none rpool/fio
fio --ioengine=sync --filename=[X] --direct=1 --rw=read --bs=4K --numjobs=1 --...
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why a fresh ESXI installation only uses half of my SSD storage?
I got a very weird problem when installing ESXi-7.0 U3:
My SSD size is 256GB (or 238GB actually, it doesn't matter)
But after installation, login to ESXI, it only shows capacity of 110GB!
So how comes ...
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