Solid-state drive refers to a data storage device that uses solid-state memory to store its persistent data.

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49 views

Low SSD mdadm raid0 performance

I have got ubuntu server 12.04 with software raid0 intel sata3 ssd(2*480GB). raid is used for postgresql database. There is 51% of raid space is free. After postgres shutdown, "dd" command shows ...
0
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1answer
63 views

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 ...
2
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3answers
203 views

SSD linux aligment

Hi I have bought a ssd disk and Im not sure if I aligned it correctly. If I understand it correctly the starting sector should be dividable with 512 and it does not matter when the partition ends as ...
8
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2answers
3k views

VMware ESXi SSD on RAID showing as non-ssd

I am replacing a KVM server with a ESXi server. I just installed ESXi 5.5u1 and added a data store. The new server has 4 SSD drives in RAID 6 using hardware RAID. When I added the data store VMware ...
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2answers
82 views

Amazon RDS on solid state drives

I am planning to design a cloud based application which leverages the MySQL provided using Amazon RDS. I wish to setup read replicas for the data which I have obtained on solid state drives. Does ...
4
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2answers
83 views

Samsung 850 EVO + HP P410 limited iops?

I´m experiencing a weird write iops limitation with a HP P410 256mb cache controller and 4x consumer grade ssd´s (Samsung EVO 850) in RAID5/10. After upgrade to latest firmware (6.64) for HP P410 ...
0
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3answers
69 views

SSD hard drive compatibility with Dell 1U and Supermicro 1U [closed]

I have a Dell Poweredge 1850 1U and also a custom 1U Supermicro, both hot swappable drive bays. For some reason, it seems the hdd to ssd drive tray is not working with snapping in. I've used this ...
2
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2answers
44 views

ESXi build with SSD's and storage sharing with HDD

So the plan is to convert 4 boxed servers into all virtual servers with a new server. The 4 servers now don't require much horsepower to do much, so only looking at the Xeon E5-2470 (8C, 2.4ghz, iirc) ...
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1answer
65 views

HP's $1,000 RAID Controller is outclassed by on-board raid?

HP's $1,000 Smart Array P822 controller is outclassed by an on-board raid controller. I'm having a hell of a time trying to figure this one out. My problem is that performance on the HP controller is ...
3
votes
1answer
720 views

NexentaStor: how to partition SSD disk?

I'm trying to set up some homegrown storage using a desktop motherboard, 4 x SATA drives and 2 x SSD drives. I'd really like to use NexentaStor for its nice web interface and for it is some ...
0
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1answer
48 views

SMART attribute 231 mystery: Mushkin SSD

Following from this question: How do I convince smartmontools that my SSD is not a hard drive? ... I now have the Mushkin MKNSSDCR120GB-MX's SMART attributes reading as "SandForce Driven SSDs". ...
3
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0answers
59 views

Adding SSD cache (PCIe) to existing Linux KVM Node with SATA disks

I currently have large KVM nodes utilizing between 8 & 16 RAID10 arrays & hardware raid. We typically provision a single large volume (VM's are backed up off site as well). KVM VM's using LVM ...
8
votes
1answer
489 views

Poor iSCSI performance with SSD disks and 10 Gbe network

iSCSI Target Ubuntu 14.04 (Trusty Tahr) with 16 GB RAM and 16 core CPU as LVM backed iSCSI target using three Samsung SSD disks, each capable of doing 65k IOPS using an LSI 6 Gbit/s ...
11
votes
3answers
8k views

Quick method to determine SSD drive health?

I have an Intel X-25M drive that was marked "failed" twice in a ZFS storage array, as noted here. However, after removing the drive, it seems to to mount, read and write in other computers (Mac, PC, ...
3
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1answer
1k views

flashcache with mdadm and LVM

I am having trouble setting up flashcache on a system with LVM and mdadm, I suspect I am either just missing an obvious step or getting some mapping wrong and hoped someone could point me in the right ...
5
votes
10answers
15k views

Install 2.5" SSD drives into PowerEdge 2950

I have a PowerEdge 2950 (not III) rack-mounted server with a 3.5" SAS backplane. I'd like to put one or two Intel X25-M drives into it for hosting of a few virtual servers on faster disk. Can this be ...
11
votes
3answers
205 views

Understanding NVMe storage and hardware requirements

I'm a bit confused about the recent developments in PCIe-based storage, particularly as it relates to the NVMe specification and its hardware compatibility. While I've worked extensively with SSDs in ...
0
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1answer
74 views

What are the Pros & Cons of Software RAID vs Hardware RAID of 4xSSD(512Gig) in RAID10?

I'm getting this server: Supermicro SuperServer 6018R-TDW It comes with this motherboard: Supermicro X10DDW-i I've decided going with 4xSSD(512Gb) in a RAID10. My server is busy with a demanding ...
2
votes
3answers
934 views

What are the pros & cons of 4xSSD(512Gig) in a RAID10 vs. 2xSSD(1Tb) no RAID?

Lots of read and write operations that my current setup of 4xSAS15k drives in RAID10 is having made me think of a new fast storage. My server is busy with a demanding database, lots of pages, php ...
2
votes
1answer
45 views

HP Server Gen8 Mixed RAID and/or Pass Through

Hello All and thank you in advance for your assistance, I'm considering several HP Gen8 Server models (e.g. DL*e series) for use with WS12R2E. For us, cost savings using a mix of SSD/HDD will likely ...
2
votes
1answer
114 views

ZFS cksum errors on LSI 9207-9i (SAS2308) with Samsung 850 Pro SSDs

I am testing an LSI 9207-8i controller with 8x Samsung 850 Pro 256GB SSDs attached. SSDs are running latest firmware EXM02B6Q, controller is running P17 and has exhibited same issues with P19. Server ...
5
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4answers
1k views

Do you use SSD in a production environment yet? [closed]

I'm not asking whether or not it's worth the money, as in Question 2425. I'm interested to see the level of acceptance in the production world up to now. Money can certainly relate to the answer, ...
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2answers
38 views

how do I know if an SSD reaches its performance capability?

I was monitoring a new db server with SSD RAID-10 installed. It works fine for now but I was worrying someday it could reach its capability as the business goes on. So how can I know that before it's ...
2
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2answers
2k views

Database (MySQL) and SSD lifetime - “lot” of writes to DB

In company where I work we started using SSD for our internal 3 GB MySQL database Difference in perfomance is HUGE, which is great. What I am worried about is lifetime of SSD Writes to DB are ...
1
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1answer
152 views

really low iops on ssd raid (lower than 1000)

I'm having serious performances problems on a server, with really low iops. server : ProLiant DL360p Gen8 with HP Smart Array P420i Controller (firmware v6) with 4x Samsung 840 - 512GB on raid 1+0 ...
0
votes
1answer
94 views

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 ...
1
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3answers
1k views

Should we install the OS on an SSD or not when running virtual machines?

I have a new Dell Mobile Precision M6500 laptop with 8 GB RAM. It has two hard drives - 500 GB @7200 RPM and a 128 GB SSD. The main purpose of these laptop is software development in virtual machines. ...
1
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1answer
77 views

Convert RAID from Mechanical Disks to SSD?

Any issues with converting a Mechanical Disk RAID to SSD by replacing the drives one-by-one? I couldn't find anyone online who has done this, so let's make this the place to post about it. If you ...
2
votes
0answers
152 views

Low SSD write IOPS (~100)

I am experiencing very low IOPS with a SSD in my server. I noticed this when running a mysql database server, which performed very bad when there were many (~100 per second) updates to an InnoDB ...
1
vote
1answer
61 views

How do I convince smartmontools that my SSD is not a hard drive?

I'm running Debian Wheezy, stock smartmontools package (smartctl 5.41). An SSD, Mushkin MKNSSDCR120GB-MX, is reporting usage lifetime information in SMART attribute id 231 (decimal). For hard drives ...
10
votes
6answers
3k views

How do I effectively destroy a SSD? [duplicate]

What is a repeatable way of destroying SSDs? For example, if i opened it which part could i take out and destroy for just the data(How to identify the actual "storage unit")? Case 1. Normal user that ...
3
votes
1answer
138 views

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 ...
5
votes
2answers
77 views

Windows Server 2012 with SSD local drives — Random or Sequential I/O?

How can I determine where my Windows Server 2012 is using Random or Sequential I/O operations when writing/reading the local SSD storage? I have been asked to provide details to our hardware vendor ...
125
votes
6answers
14k views

Are SSD drives as reliable as mechanical drives (2013)?

SSD drives have been around for several years now. But the issue of reliability still comes up. I guess this is a follow up from this question posted 4 years ago, and last updated in 2011. It's now ...
2
votes
2answers
103 views

How can I encrypt my SSD but still boot unattended (linux)? [closed]

I have a system that displays video from a camera feed with an overlay, and it must boot without any user intervention (the quicker the better). However, these systems will be in the hands of ...
0
votes
1answer
134 views

DELL 2950 Gen III + PERC 5i + SSDs

I have a Dell 2950 Gen III rack-mounted server sitting around here that I want to upgrade with SSDs. Since I haven't found anything related from Dell and just a few post that confirmed it'll work (and ...
9
votes
3answers
3k views

How to measure total writes performed to SSD in Linux?

I've searched the internet to find a tool/utility which can tell me the total writes performed to an SSD (or a normal disk). The output should look something like this: SSD Intel 320S :- Total data ...
3
votes
2answers
101 views

Is it a good idea to use two different SSDs in RAID1? (to avoid both drives failing at the same time because of some manufacturing bug)

I'm building a new server here at university and I suggested that we use two different SSDs in RAID 1 (mirror) to avoid both drives failing at the same time because of some inherent manufacturing ...
5
votes
7answers
3k views

SSD as single drive in workstation pros and cons

What are the pros and cons of using an SSD as the only drive in a workstation instead of an array of several HDDs or a fast 10k/15k HDD? To be more specific, Intel X25-M 80GB with Windows 7 x86-64 ...
0
votes
1answer
428 views

Third-party SSD solutions in ProLiant Gen9 servers

has anyone experience with using consumer SSDs like the Samsung 850 Pro in an HP ProLiant Gen9 server with a Smart Array P440ar controller? Judging by various reports about older versions (Gen6 to ...
3
votes
3answers
3k views

Samsung 840 Pro SSDs in a Dell R720

We have a MySQL database server running on an Dell PowerEdge R720 (PERC H710 Mini RAID controller) ( (Ubuntu 12.04). We're considering upgrading the 2 x 146GB 15k SAS drives to Samsung 840 Pro SSDs. ...
26
votes
5answers
3k views

Do I need to RAID Fusion-io cards?

Can I run reliably with a single Fusion-io card installed in a server, or do I need to deploy two cards in a software RAID setup? Fusion-io isn't very clear (almost misleading) on the topic when ...
2
votes
3answers
251 views

What are the differences between consumer grade SSDs and the much more expensive enterprise SSDs?

I am in need of a terabyte or so of storage space for Lucene indices on a testing server. I'm having a hard time differentiating between disks like the Samsung 840 evo for about $450 vs SSDs with ...
2
votes
2answers
162 views

Would software RAID0'ing SSDs help or hinder maximization of useful CPU work throughput?

My question is in the title... here is some background: [OS is Linux.] [UPDATE: The contents of this RAID0 is redundant (sync'd from SCM). I am not worried about the increased risk of data loss.] ...
1
vote
2answers
1k views

When reading SSD drive specs, what's the difference between MB/s and IOPS?

I'm trying to find a suitable SSD drive for my database server (postgres on debian 7 amd-64), and I find that for some SSD drives, while read speed is specified in MB/s, write speed is in IOPS. To ...
4
votes
3answers
1k views

Optimize SSD storage on Centos 6.6 - KVM

I have a Dell R610 with hardware: H700 raid card 4xMicron MX100 512GB -> configured raid 10 I have installed Centos 6.6 on this server and configured: KVM virtualization Volume Group for raid 10 ...
1
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1answer
104 views

How to attach SSD to Azure VM and check its type?

I created one VM with 100G SSD, but it's only D rive, which is the temporary disk. I want to attach another SSD drive to the VM, but I'm not sure its type. Is is possible to do this? Thank You
0
votes
1answer
162 views

Dell H700 SSDs and HDs in different RAID groups?

I am about to purchase a Dell R610 and use a H700 RAID controller. I was wanting to add 2 X SSD (480G) RAID 1, and 2 X HD (2TB) RAID 1. In reading over the manuals I saw: SSDs require the PERC 6/i or ...
0
votes
1answer
89 views

Installation of SSDs in R610

I am about to order a Dell R610. I have also ordered SATA Intel 730 SSD's for it. Is there anything I need apart from drive trays (G176J) for installation? Ie is there any other back plane this or ...
1
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1answer
388 views

ssd performance against hdd performance

I have two server, one with a SSD, one with a HDD. I've been running hdparm to see the differences, but the results for Timing cached reads and Timing are quite equal/HDD is faster: SSD: Timing ...