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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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Advices for filesystem choice and tuning on SSD?

What is your favourite filesystem on SSD disks, and why? I'm asking because on my Acer Aspire One with 8 GB SSD with ReiserFS it takes ages to boot after an unclean shutdown, so I'm probably missing something. I thought ReiserFS woud be a good…
silviot
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For a new database server, which partition will benefit the most from SSDs?

I'm speccing a new database server for a Microsoft SQL Server environment. In the past, I would create four separate RAID arrays for OS, data, transaction logs, and tempdb. Now, I am looking at the possiblity of adding a few SSDs to boost…
Josh Yeager
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SSD (Raid 1) vs SAS (Raid 10) Sql Server Hardware Recommendation?

Our current SQL Server Machine (which is about 6 years old): Box: Dell 2900 CPU: Xeon 5160 Dual Core RAM: 4GB HDD: 6x 15k RPM SAS drives in raid 10 Since it's 6 years old, the drives have been spinning for 6 years straight which is making my…
Fake
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Which SSD and controller for Postgre SQL database?

we decided to upgrade DB server, now running on FreeBSD 8.0-STABLE, Intel(R) Xeon(R) CPU E5335 @ 2.00GHz (1995.01-MHz K8-class CPU), 8GB RAM, db running on SAS hdd with slave on another box, there are more than 2000 queries per second to database,…
2ge
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Using smartctl to get vendor specific Attributes from ssd drive behind a SmartArray P410 controller

Recently I have deployed some HP server with SSD's behind a SmartArray P410 controller. While not official supported from HP the server work well sofar. Now I like to get wear level info's, error statistics etc from the drive. While the SA P410…
Lairsdragon
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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 type raw and qcow2 only difference I saw was the…
shorif2000
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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 /; time fstrim / the 2nd call usually print 0 bytes trimmed and finished immediately. However if I do same thing on XFS, 2 of the calls are taking exactly same time and print exactly same…
Wang
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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 optimal sector size for FS. However, I cannot…
Wang
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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. I have impression that "4TB" isn't exactly the…
user1079505
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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 half of the storage disappeared? so…
Jerry
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Raid 1 default disk capacity is lesser than the disk sizes. Any ideas? Intel Raid Storage Technology - Raid from Bios

Here the screenshots I think they explains everything The disks are advertised as 1 TB and the real size of the disks are 931.5 GB I have installed windows server without raid setup for experimentation. Both disks are fully working with no…
Furkan Gözükara
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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 create a multi-tier caching solution that leverages…
Swivel
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Dell R630 supported PCIe to NVMe (m.2) adapter and drive?

I can't seem to find any information anywhere about supported PCIe to NVMe (m.2) adapter and a brand of drive that will also work. I am aware third party adapters and drives tend to work with various OSs (ESXi) but are not compatible and cause the…
user609425
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What is the overhead of ZFS RAIDz1/2 in HPC SSD Environment?

Example hardware / host: Modern 64 Core CPU, 128GB Memory 8 x Micron Pro 15.36TB u.2 SSDs SSDs connected by dedicated Oculink per device (no backplane or PCIe sharing) Ubuntu 20.04 Use case: A backup server for hundreds of hosts. Backup is…
epea
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Use QLC SSDs as RAIDZ (scientific archive)?

We are building a system for the archival and scientific analysis of some weather data. The setup is redundant, with two HP DL580, Proxmox (ZoL) and some GPUs for analysis. On each server we plan 5 pools of around 50 TB. We use SSDs for density…
Benoit
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