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

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8
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1answer
462 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, ...
-6
votes
1answer
49 views

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

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
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
14k 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
171 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
votes
1answer
64 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
901 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
35 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 ...
-1
votes
0answers
63 views

SATA Drive (Intel SSD) often disappears from BIOS, drive OK

I have a server cluster which includes a HP Proliant ML110 (tower). A while back I changed the boot disk to an Intel SSD. The swap was successful and the machine booted for the first time to the SSD. ...
2
votes
1answer
97 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
votes
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, ...
-1
votes
2answers
37 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 ...
0
votes
0answers
38 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". ...
2
votes
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
vote
1answer
137 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
74 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
vote
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
vote
1answer
72 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 ...
8
votes
1answer
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 ...
2
votes
0answers
147 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
52 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
137 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
73 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
93 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
125 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
97 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
367 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
224 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
157 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
vote
1answer
91 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
152 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
87 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
vote
1answer
383 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 ...
3
votes
1answer
1k views

Trim support in Hardware RAID (Perc H700)

We are about to order a dell R610 with a H700. We were thinking of using 2 X Samsung 850 Pro 512Gb drives in RAID 1. The question is does the Perc H700 support TRIM in hardware RAID 1? The answers I ...
-5
votes
1answer
158 views

Experience with LITEON IT ECT 480 N9S SSDs in high load server? [closed]

Dell is selling servers with LITEON IT ECT 480 N9S SSDs. I have no experience with LITEON SSDs and can only find very limited information about the LITEONs online. I have seen the brief fact sheet on ...
0
votes
2answers
94 views

Impact of Over Provisioning to a half used disk

I very intensively use an SSD, but never fill the filesystem more than 60%. Will the performance and endurance of the SSD increase in case with bigger Over Provisioning space ? The storage ...
1
vote
2answers
256 views

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 ...
12
votes
3answers
3k views

Force renegotiation of PCI Express link speed? x2 card reverts to x1 width

In an effort to circumvent compatibility and cost barriers to using SSD drives with newer HP ProLiant Gen8 servers, I'm working to validate PCIe-based SSDs on the platform. I've been experimenting ...
9
votes
4answers
366 views

SAN with a few SSD drives, or lots of old fashioned HDDs?

My company is trying to figure out what type of SAN to purchase. This is specifically for database servers that are becoming IO constrained (storage is DAS right now, but we're hitting the limit of a ...
1
vote
0answers
131 views

NVMe driver for Illumos: can it be considered usable?

Can the NVM Express (NVMe) driver driver-storage-nvme for Illumos be considered usable? It would be nice to use e.g. an Intel DC P3700 PCIe drive for L2ARC as the SAS2 and 3 SSD drives are awfully ...
3
votes
1answer
100 views

HP Proliant G6 reporting failed SSD drive - alternative strategies for monitoring?

I would like to get your feedback about a controversial situation I found myself in some days ago. I was tasked to use a HP Proliant G6 for development purposes with 2 new (< 2 months, never used ...