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

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24 views

Detection of consumer SSDs by enterprise disk controller in non-RAID configuration [on hold]

We (a client) are considering [insisting on] using consumer grade SSDs (to keep the cost down) in some Dell R710 and HP Proliant D380 G5 servers. I've looked about and people report the P400 cards ...
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0answers
3 views

ssd caching in loop device on btrfs [migrated]

I have an ssd and 2TB hard disk. The ssd is used for the root filesystem which uses only around 20G of the 120G available. Is there a way to use an image/loop on the root filesystem (btrfs) as a cache ...
0
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1answer
15 views

Munin disk utilization calculation.

I have got intel ssd(series 530, 480gb). Data from intel site: Sequential Read - 540 MB/s Sequential Write - 490 MB/s Random Read - 48000 IOPS Random Write - 80000 IOPS Current load is about 5000 ...
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1answer
28 views

SSDs with the Intel RMS25CB080

I've bought a new server which only allows disks to be connected to a built-in Intel RMS25CB080 RAID controller card. The server has 8 2.5" slots. I'm considering using SSDs with this server, however ...
13
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3answers
2k views

Wipe is very slow. Too little entropy?

I have to hand off a Laptop including its hard disc. Since it was not encrypted I wanted to wipe it at least quickly. I know this is not optimal on SSD, but I thought better than just plain readable. ...
0
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1answer
48 views

Unable to create instance with local SSD on GCE

I try to create an instance with a local attached SSD on GCE. I used the command from the docs: gcloud compute instances create foobz \ --machine-type n1-standard-8 \ --zone us-central1-f \ ...
1
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0answers
68 views

Intel SSD DC P3600 1.2TB performance [migrated]

I just got a workstation with an Intel SSD DC P3600 1.2TB on an Asus X99-E WS motherboard. I started Ubuntu 15.04 from a live CD and ran the Disks (gnome-disks) application to benchmark the SSD. The ...
1
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3answers
116 views

Hard disk / SSDs - detection and handling of errors - is silent data corruption reliably prevented?

When an error occurs on a drive, is it correct to assume that it will always be detected and reported to the OS (if software RAID such as mdadm) or RAID controller (if hardware RAID) as a failed read ...
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2answers
61 views

Should I defrag RAID Array with SSD caching(Intel SRT)? [closed]

I have an SSD in system and a RAID 0 array with SSD caching turned on(Intel SRT or Intel Smart Response Tech.). Should i defrag it? Also have a problems with windows defragmentator. It detects my ...
0
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1answer
38 views

How to find mainboards that supports Self Encrypting Device (SED) in BIOS?

There should exist mainboards that support Self Encrypting Device (SED) in BIOS, so when connecting a SSD which have SED support, and SED have been enabled in the BIOS, it prompts on bootup for ...
3
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0answers
38 views

Intel RS3UC080(LSI3008) + Samsung Evo 840 = slow writing performance? [migrated]

I am getting pretty slow writing performance in comparison with my Z87 board. Does anybody know if these results are to be expected out of the Intel RS3UC080 or what the problem might be if there is ...
6
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2answers
252 views

does adding heaps of drives to a raid 0 increase performance?

does adding heaps of drives to a raid 0 increase performance? i know that two drives in a striped raid will usually be faster than a single drive but will i notice a difference in performance between ...
2
votes
1answer
113 views

How to send “ATA Secure Erase” command to SSD?

A very good way to erase a SSD which have SED support is to change the password/key. But what to do with those that doesn't have SED support? This article says Fortunately it is possible to erase ...
0
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2answers
164 views

Intel S3500 SSD vs 15k SAS HDD

I have recently been thinking of requesting SSD Drives from my hosting provider however its a $300 per month upgrade for 4 x 300GB Intel S3500 SSD's My hosting company told me they do not use SSD ...
0
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0answers
80 views

Poor SSD I/O performance with rTorrent and Debian

I'm using a Dell PowerEdge R210 II server with Intel Xeon E3-1230, 32GB RAM DDR3, 2 x 480 GB SSDs SATA3, 2 x 1 Gbit network connection. I'm using both network connections at the same time (802.3ad ...
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1answer
67 views

Consumer vs Enterprise SSD [closed]

I'm deciding what SSD's to use in our infrastructure. Enterprise drives are obviously more reliable but storage items are expendable and will fail anyway. So considering that we have proper RAID, ...
1
vote
1answer
133 views

Can I Use a Normal SSD disk in HP DL380 G6

We have a bunch of DL-380 G6 servers in our company, I want to know whether it is possible to use 2.5" SSD hard drives (with SATA III interface) on these servers or not?
2
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1answer
110 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
140 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 ...
4
votes
2answers
392 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 ...
3
votes
2answers
93 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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3answers
118 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 ...
4
votes
1answer
107 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 ...
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votes
1answer
94 views

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

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 ...
0
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1answer
196 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
1k 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
105 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 ...
11
votes
4answers
376 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 ...
8
votes
1answer
577 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 ...
2
votes
2answers
219 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 ...
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2answers
42 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
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1answer
87 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". ...
1
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1answer
217 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
209 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
1answer
97 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 ...
1
vote
1answer
85 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 ...
2
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0answers
197 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 ...
2
votes
2answers
160 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
222 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 ...
3
votes
2answers
112 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 ...
0
votes
1answer
684 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
628 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 ...
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 ...
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1answer
174 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
196 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
116 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
418 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
2k 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 ...
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votes
1answer
202 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
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2answers
174 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 ...