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
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
89 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 ...
0
votes
0answers
22 views

VPS Hosting - Raid 10 SSD - Lots of Drives [on hold]

I'm looking to start a business hosting VPSs using OpenVZ, and SolusVM. The only thing I can't make my mind up on is the makeup of the nodes I'll be using for the hosting. I've found the company I ...
0
votes
0answers
17 views

zfs ssd and sas 15k - how to keep heavy write on sas (Gentoo Linux) [on hold]

I'm doing filesystem planning for a new build. I'm going to have 2 each 128 Gb SATA ssd and 450 Gb SAS near-line 15krpm drives, each pair mirrored. I want to keep the heavy write files on the SAS ...
1
vote
1answer
29 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
131 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
54 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 ...
121
votes
6answers
13k 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 ...
5
votes
9answers
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 ...
2
votes
2answers
74 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 ...
3
votes
1answer
967 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 ...
0
votes
1answer
62 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
2k 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
70 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
182 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
2k 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
129 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
143 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
957 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
715 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
53 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
78 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
77 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
351 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
526 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
103 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
61 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
184 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
229 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 ...
0
votes
0answers
70 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
74 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 ...
4
votes
6answers
560 views

What are the the potential drawbacks of using non-OEM hard drives in a server?

I'm currently speccing a Hyper-V host for my company and would like to use solid state drives for local storage. The problem is, most oem drives have a hefty premium when compared to retail ...
-2
votes
3answers
72 views

SSDs for MS SQL Server 2008: slc or mlc: what is expected life for mlc? [closed]

Until recently, Dell et all would only provide slc drives for servers. It appears the winds have shifted and now the cheaper mlc drives are avail for servers. In a sql environment, will mlc give ...
24
votes
4answers
1k views

Mean Time Between Failures — SSD

The Mean Time Between Failures, or MTBF, for this SSD is listed as 1,500,000 hours. That is a lot of hours. 1,500,000 hours is roughly 170 years. Since the invention of this particular SSD is ...
11
votes
4answers
3k views

Should I avoid putting two SSDs in a RAID1 configuration due to performance degradation?

I have a workstation system that will have two 64GB industrial SSDs, and the plan is to have both disks in a RAID1 configuration for redundancy which is set up in the kickstart. The system will be ...
2
votes
1answer
182 views

HP P420i SSD RAID Configuration

I've been testing a HP DL380p with 16x SSDs in a RAID5 on the P420i controller with 2GB FBWC that is integrated on the board. Quite good performance, but not good enough. When I simulate the IO ...
1
vote
1answer
140 views

Plextor SSDs don't work reliably in HP DL380p Gen8 servers

We recently purchased a few HP 380p G8 servers to add some VM capacity, and decided to add a pool of SSDs to our standard build, to create a "fast" RAID 1+0 array for some of our VMs that have higher ...
-1
votes
1answer
59 views

Install Windows Server 2012 on the SSD from the HDD [closed]

How can I install Windows Server 2012 on the SSD from the HDD, installed Windows 8.1? Laptop, which has no DVD or USB or network access.
2
votes
2answers
160 views

Is there a way to force a TRIM in a Windows 2012 Software RAID array?

I have a Windows 2012 server configured with two SSD under a Software RAID 1 (controlled by Windows), under that configuration the optimization tool is not supported. Is the TRIM still ...
1
vote
4answers
120 views

SSD as cheap alternative to SAN storage? [closed]

We are a $3B company with a team of 6 infrastructure experts. I am a DBA, not part of infra team. Our setup is all VMware ESX 5.1, EMC SAN for storage and ExaGrid for backups. Prod and non-prod ...
-1
votes
1answer
56 views

Swapfile on SSD and Memory Speed Comparison [closed]

I'm running Ubuntu on Digitalocean's instance that using ssd as their disk, and I'm using swapfile to help memory does the job. What I wanna know is, how can we compare speed between ram and the ...
11
votes
4answers
4k views

SSD TRIM (discard) problems with ext4 on Crucial C300 SSDs with CentOS 5.5

Playing around with using a modern kernel (2.6.37 currently) on an older OS (CentOS 5.5) so we can get TRIM (discard) working on our SSDs (Crucial C300s). The most recent hdparm (9.37) concurs that ...
12
votes
4answers
18k views

Would SSD drives benefit from a non-default allocation unit size?

The default allocation unit size recommended when formatting a drive in our current set-up is 4096 bytes. I understand the basics of the pros and cons of larger and smaller sizes (performance boost ...
4
votes
1answer
150 views

Does AIX support Advanced Format (4k sector size) SAN LUNs?

I am working with an EMC XtremIO storage array that utilizes SSD devices that use a native 4 KB sector size instead of the traditional 512 B size. I am attaching an IBM AIX 7.1 server to the array. I ...
2
votes
1answer
1k views

MacBooks are destroying SSDs

I'm opening this topic to find the cause of our SSD failure rate of +50%. We work with Mac (13" Macbook Pro & 13" Macbook Air), with installations of both Mac OSX Mountain Lion and Ubuntu. 90% of ...
-1
votes
2answers
142 views

Would 6 SSD's in RAID 0 last longer than a single large SSD? [closed]

To my understanding, the main factor for SSD's to fail is constant reading/writing to the drive. I recently helped a friend setup RAID with 6 SSD's. Would this theoretically extend the lifespan of ...