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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Does bigger capacity SSD have longer life due to wear leveling?
I have been told that you can get a longer lifespan of an SSD if you buy a bigger capacity SSD. The reasoning goes that newer SSDs have wear leveling and thus should sustain the same amount of writing ...
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Moving Ubuntu VM to SSD
I decided to move my VM from A4_V2 to D11_V2 Promo because the D11_V2 offers SSD. However when I moved the VM, I don't see any difference in Azure Portal when I'm checking the disk:
Type
STANDARD
...
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Which is the worst-case scenario: dying HDD or SSD?
We all know SSD offer many advantages (such as speed) over HDD drives but which one is safer when it comes to data rescue if, for instance, the drive is failing?
From my understandings on SSD drive ...
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How to upgrade an RDS SQL Server Instance to an SSD
I'm trying to upgrade my RDS SQL Server 2012 instance from magnetic storage to an SSD. It is an instance class of db.m1.large with bring your own license.
I've tried modifying the storage type, but ...
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BTX halted error on FreeBSD
I understand there are a few threads about this out there but my issue seems particular.
Recently my boot disk, an SSD, failed and I have just rebuilt it. Given the opportunity, I thought I might go ...
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What can be moved safely to local ssd on Ubuntu Azure VM?
I have an Azure VM which recently have been resized to D2 size form A2 Basic so it has a new SSD local disk (a temporal disk with no persistence guarantee).
Now it has the swap file, but I think it ...
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Does a RAID controller with an NV cache improve the performance or integrity of an SSD array?
I am planning to purchase a server (Dell PowerEdge R740) with SSDs in RAID 10, and my priorities are write performance and data integrity. It will be running Linux. The SSDs have write caches with ...
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Performance decision on a 3-server HA scenario [duplicate]
I am setting up a new infrastructure for our current project, mgirating from a 2 server in 2 locations to a new 3 servers/3 datacenters... which should allow us to have a higher high availability.
...
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iostat reports significantly different '%util' and 'await' for two identical disks in mdadm RAID1
I have a server running CentOS 6 with two Crucial M500 SSDs configured in mdadm RAID1. This server is also virtualized with Xen.
Recently, I started seeing iowait percentages creep up in the top -c ...
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Hard drive write operation expected rates
It is known that SSDs are suboptimal for "high-write" environments. What common business and/or personal computing use cases are "high-write" situations, which are "low-write" situations, and what ...
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Azure VM Windows Data Disk - How do I know if it's HDD or SSD?
I'm on a Windows VM, and, for example, have 3 data disks attached, each 100GB.
I know 2 of them are HDD and one SSD.
Is there any more-or-less easy way of identifying which disk is SSD and which is ...
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Windows Tool to read S.M.A.R.T. attributes on SATA drive in HP D2700 Enclosure using P812 Controller
I've got two HP DL380 G7 servers + P812 controller + D2700 enclosure. They're database servers with 144 Gb RAM. P812 firmware is 6.40, D2700 is at 0147
They both worked great with 18 OWC Mercury ...
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Is there a utility to TRIM my Intel SSD (Gen 2 160GB)? Windows 7 and Windows Server 2008
Is there a utility to TRIM my Intel SSD (Gen 2 160GB)? Windows 7 and Windows Server 2008
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Questions regarding PostgreSQL virtualization
I have not experience on planning PostgreSQL on virtualized nor physical server environments so I need to get some advice how to do things correctly. We have two identical servers and we need to make ...
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HP Proliant DL360 G8 & G9 with SAMSUNG PM863a SSDs
Does anyone use Samsung PM863a SSDs in HP DL360 G8 & G9s - specifically in a Windows Server 2016 Storage Space Direct mirrored implementation ? What is your experience of this ?
Having seen ...
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How can I mount the SSD drive on Amazon's m3.medium?
Amazon's m3.medium instance comes with a 4GB SSD Drive:
But I can't seem to find the device using df:
$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/xvda1 20G 2.9G 16G 16% /...
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How to extend CentOS 7 / partition after upgrading disk size on a VPS
We have a CentOS 7 VPS with 20GB of SSD space, we later upgraded it to 160GB but I'm a little confused on how to extend the / partition. We have multiple full backups but I'd rather not reinstalling ...
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Smart Array P410i with SATA SSD drives unstable
I have a HP Proliant DL380 G7 with said array controller and 6 INTEL SSDSC2KW4's, set up in Raid 5.
Normally I have never had problems with SATA drives in servers, but this one has me baffled.
I ...
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Booting from PCIe SSD on Dell T3600
One of our local workstations SSD is severely slow. I can't seem to find much resources on whether or not the latest BIOS supports booting Windows Server from a PCIe SSD. If it doesn't, is there a way ...
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Transfer Speed Sudden Drop on Intel Raid Card between (2) 4 SSD Raid 0 Arrays
Preface; I have done hours of trouble shooting on this issue and simply cannot find out what the sudden "bottleneck" is.
I have (2) 4 SSD Disk Raid 0 Arrays (3.8TB Each).
They are run off a single ...
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Which partition utility's output is correct?
I have Fusion ioDrive2 785GB (731.088 GiB) SSD card.
The server is running Oracle Enterprise Linux 6.4 (RHEL6.4 compatible).
It is low-level formatted as such:
"80% factory capacity"
Format ...
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Intermittent I/O delays on part of RAID array causing poor MySQL performance
I am managing a bare-metal server running a MySQL database as well as some other software. We are seeing performance issues with some MySQL queries, but the issues occur intermittently, and almost ...
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HP ProLiant ML310e G8 v2 ssd
I have a HP ProLiant ML310e G8 v2 with Intel® Xeon® E3-1220v3 3.10GHz processor and I'd like to upgrade the storage to a SSD one.
Currently I have two Non-SSD hard drives that I've configured RAID 1 ...
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EBS vs SSD definition
I am confused about the EBS and SSD choice while creating an instance .
while choosing instance parameters (Step 2) you will see 2 options in the column Instance Storage (GB) : EBS only or SSD .
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Why is L2ARC not giving more speedup for directory traversal?
L2Arc is usually configured to cache random spinning platter reads on an SSD. I've set up this configuration in the hopes of speeding up directory traversal.
This is the setup:
# zpool list -v
NAME ...
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What consider as a full write cycle? [closed]
I have a computer that is connected to USB flash drives that automatically scan in a picture(1.3mb) every 2 mins. I am wondering if that count as a write cycle? MY stick is 128gb, so it will take ...
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HP ProLiant DL180 G6 SSD upgrade (sata 3)?
We've currently got a HP ProLiant DL180 G6 server with a Smart Array P410i raid card, and 8 HDDs running off it.
We also just bought a new SATA Intel SSD drive to expand the server, that we're ...
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Install a SATA SSD in hot swap server
I am trying to install a SATA SSD into a hot swappable server (Dell PowerEdge T320). The drive is not visible within the Windows 2008 R2.
Server details:
Dell T320 PowedEdge
PERC H710 Raid ...
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Monitor the Garbage Collector of an SSD
The SSD controller triggers the garbage collection routines on a specific ship or block when a certain threshold of either invalid pages or written pages is met, based on the GC policy (my guess is ...
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Recover partition that was removed and overwritten with another partition on an SSD disk
I have a SSD that was used as a boot drive that was originally split the following way:
major minor #blocks name
8 0 250059096 sda
8 1 61812736 sda1
8 2 1 ...
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Raid 10 to SSD's or not?
I have R620 server. I have that disks:
4x512GB Samsung SSD
4x1TB Seagate ES.2 HDD
I will use Vmware Esxi to create virtual machines. What's the best option? Using SSD's as primary drives and use ...
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Unexpected shutdown and data loss
We have several rack servers, all with SATA3 Transcend SSD's. Most SSD's are 250GB and they usually have 50% free space most of the time.
When there are unexpected shutdowns, not all the data is ...
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Can I connect a PCIe 2.5" SSD to a regular PCIe 3 slot?
I'm looking to upgrade my server's storage. It currently has SATA SSD storage but I would like to add to it an even faster PCIe3 SSD. It's a full tower with a few empty PCIe3 slots but no PCIe3 ...
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Write performance issues with SSD RAID 10 on P840/4gb fbwc
I have a new system with 4x512GB Samsung SSD 850 in a RAID10 array using P840/4gb fbwc RAID controller. When i download a file from network (10 Gbit/s) write speed is not that good. I tried ...
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MongoDB with NVMe SSD
Does anyone have recommendations on the RAID configuration when running MongoDB on NVMe SSDs? Is the best practice still RAID10 like with HDDs and SATA SSDs?
Thanks.
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LSI 9207-8i and Samsung 850 PRO TRIM support
A Dell R610 server with LSI 9207-8i HBA card has 6 Samsung 850 PRO SSDs connected to it.
hdparm shows TRIM support:
sudo hdparm -I /dev/sdc | grep -i trim
* Data Set Management TRIM ...
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TRIM Support in PERC H310 Mini
I am running Debian 8 on a Dell PowerEdge R420.
The OS is installed onto a INTEL SSDSC2BA800G3T SSD running the 5DV1DL03 firmware.
The SSD is connected through a PERC - H310 RAID controller (fw 2....
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Enabling Disk Encryption on DC S 3700?
I have a server running Debian stable with two 100GB Intel DC S 3700 drives in a Linux MD RAID 1. According to Intel, these drives support 256-bit AES encryption and I would like to encrypt the data ...
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converting from raid 10 to raid 1 on windows server 2012 r2
My current setup is that my OS and other important installed files are all installed in my raid 10 array, however, I need the 2 drives (ssd) in the array for something else, is there a way to convert ...
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How to calculate /get the UBER value from S.M.A.R.T measurements in SSDs
UBER is a metric for the rate of occurrence of data errors, equal to the number of data errors per bits read over the entire lifetime of an SSD.
Mathematically:
The numerator is the total count of ...
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Enable Discards HP 3PAR StoreServ 7400
Spin off from these previously asked questions
How to get free space from mounted drive Redhat 7
Update crypttab asks for Passphrase for fstrim
We have a HP 3PAR StoreServ 7400 with 170 VM's ...
CommunityBot
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The setup of S2D that delivers up to 2M IOPS to SQL FCI
We are about to deploy shared storage researching for ultra-fast storage to implement Microsoft SQL Server Failover Cluster (FCI). So far the project goes, we would to start with 500K IOPS for 8k ...
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Optimize file system for Linux web server with SSD and HDD
I have just taken delivery of a new Centos 7 web server which comes with a 4Tb HDD and 240Gb SSD. Both are hardware RAID.
As it stands everything is installed on the SSD. I will need more than 240Gb ...
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Is it worse to go with Samsung 960 EVO instead of Pro version in terms of price to perforamce measure? [closed]
We are about to deploy shared storage researching for ultra-fast storage to implement Microsoft SQL Server Failover Cluster (FCI). So far the project goes, we would to start with 500K IOPS and have ...
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What HD/SSD performance benchmarks are relevant to SQL Server?
I'm looking to buy an SSD for a SQL Server computer, what benchmarks should I be comparing? High/low queue depth? Random/sequential transfer rates? IOPS?
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RAID 5 for SSD drives.
I am planning to deploy a cost efficient yet performant SAN/NAS setup for our main office. Use cases: storage for a 20-30 user VDI deployment, file server, primary backup location. Required usable ...
CommunityBot
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4gb cache RAID and 2gb cache RAID controllers VS SAS and SSD disks
I'm going to provision a server with 2 raid controllers, both controllers have the same specs but the cache, being one a 2GB cache and the other a 4GB cache controller, let call them respectively SC (...
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install windows 10 in esxi 6 but disk speed in machine
I have 2 Windows 10 in esxi 6 on ssd datastor but hard speed in task manager is 3 mb/s
I install esxi in dl380 g9 server .
Is it normall speed ?
How i can solve this problem?
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Is adding Swap on a server with an SSD discouraged?
In this tutorial Digital Ocean explain how to enable swap on Ubuntu 14.04. I arrived at this article after experiencing some issues with my server and this looked like it could help.
However, they ...
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Transparent SSD-read-cache for unmodified HDD
I want to accelerate a 4TB HDD using a 100GB cache partition on an SSD on linux. I only need read-only-cache, so data corruption should not be a problem. I understand that bcache offers a relatively ...
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