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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Third-party SSD solutions in ProLiant Gen8 servers
I was wondering if anyone had any specific experience using Intel DC3700 SSDs (or similar) in the HP (DL380p) Gen8 servers?
I'm upgrading a set of database servers that use direct-attached storage. ...
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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 ...
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3rd party SSD drive in HP Proliant server only shows 3G transfer speed
After receiving some excellent advice in a previous question, we've bought a OWC Mercury Extreme Pro drive for use in our HP Proliant DL360 G7 server. Both the drive, and the P410i array controller, ...
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HP D2700 enclosure and SSDs. Will any SSD work?
I've got an HP D2700 enclosure that I'm looking to shove some 2.5" SSD drives in. Looking at the prices of HP's SSD drives vs something like an Intel 710 and even something less 'enterprisey', there's ...
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Zeroing SSD drives
We host VPSes for customers. Each customer VPS is given an LVM LV on a standard spindle hard disk. If the customer were to leave, we zero out this LV ensuring that their data does not leak over to ...
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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 ...
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How to determine number of write cycles or expected life for SSD under Linux?
We've been running an SSD (Intel X25-M) in a Linux (RHEL 5) server for a while, but never made any effort to figure out how much write load it was under for the past year. Is there any tool under ...
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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 ...
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What are the main points to avoid RAID5 with SSD?
My understanding is that an SSD has a limited amount of writes. RAID5 performs many writes due to parity information across the drives. So reasoning states that RAID5 would kill and lower the ...
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ZFS - Impact of L2ARC cache device failure (Nexenta)
I have an HP ProLiant DL380 G7 server running as a NexentaStor storage unit.
The server has 36GB RAM, 2 LSI 9211-8i SAS controllers (no SAS expanders), 2 SAS system drives, 12 SAS data drives, a hot-...
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Third-party SSD in Proliant g8?
Anyone having success with third-party SATA or SAS drives with Proliant G8's? I know the G7's were flaky and had BIOS issues.
We're looking for real-world success stories with particular brands and ...
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HP P410 RAID + Samsung 830 SSDs + Debian 6.0 - What performance to expect?
I'm renting two dedicated servers from a hosting company. Here are the specs:
server1:
HP ProLiant DL165 G7
2x AMD Opteron 6164 HE 12-Core
40 GB RAM
HP Smart Array P410 RAID controller
2x Samsung 830 ...
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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 ...
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3rd party SSD drives in HP Proliant server - monitoring drive health
As discussed in a previous question, we have 6 OWC Mercury Extreme SATA SSD drives installed in our HP Proliant DL360 G7 server (using a P410i RAID controller). They work great, and are very fast. ...
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What is the current state (2016) of SSDs in RAID?
There are plenty of resources available online that discuss using SSD drives in RAID configurations - however these mostly date back a few years, and the SSD ecosystem is very fast-moving - right as ...
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Reliability of ssd drives
The main advantage of SSD drives is better performance. I am interested in their reliability.
Are SSD drives more reliable then normal hard drives? Some people say they must be because they have no ...
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Consumer (or prosumer) SSD's vs. fast HDD in a server environment
What are the pro's and con's of consumer SSDs vs. fast 10-15k spinning drives in a server environment? We cannot use enterprise SSDs in our case as they are prohibitively expensive. Here's some notes ...
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SSD head / cylinder / cluster details
A customer of ours makes industrial robots that run on very old, but stable, hardware and software. The only bottleneck has always been the hard drive in these moving machines. Due to constant ...
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Possible to get SSD TRIM (discard) working on ext4 + LVM + software RAID in Linux?
We use RAID1+0 with md on Linux (currently 2.6.37) to create an md device, then use LVM to provide volume management on top of the device, and then use ext4 as our filesystem on the LVM volume groups.
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Proliant ML310e Gen8 Smart Array Predicted Failure Issue with SSD
This is a question related to this one:
Third-party SSD solutions in ProLiant Gen8 servers
but not covered by the question or the answers.
I have an OCZ 120 gig SSD as system drive on a Proliant ...
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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 ...
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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?
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Measuring 'total bytes written' under Linux
We're quite interested in exploring the possibility of using SSD drives in a server environment. However, one thing that we need to establish is expected drive longevity. According to this article ...
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Linux SSD as HDD cache
I have a Linux server system installed on an SSD and an HDD for user data. As there is space left on the SSD, I want to use it as a read cache for the HDD.
Looking at the possibilities, I found:
dm-...
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How to unlock an SSD disk with hdparm?
I have an SSD disk with password protection, but the password was lost long time ago... so I tried to erase the ATA security with the hdparm command.
With "hdparm -I", the disk information ...
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Is there a way to protect SSD from corruption due to power loss?
We have a group of consumer terminals that have Linux, a local web server, and PostgreSQL installed. We are getting field reports of machines with problems and upon investigation it seems as if there ...
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HP storage arrays - multiple channels?
Our SQL server is becoming pretty heavily loaded, and all indications point to the disk channel being the bottleneck. The current HP server has a fairly low-end array card, and we're looking to ...
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Home-brew automatic tiered storage solutions with Linux? (Memory -> SSD -> HDD -> remote storage)
Related to this question about using an SSD for system and HDD for data, except I would like my system to do this automatically...
Is it possible to have several layers of storage and push items ...
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Potential pitfalls associated with securely deleting SSD disks
I need to decommission two SSD disks from one of my Linux hosted servers.
In order to safely delete data stored in the disks I was planning to use: hdparm --security-erase.
I read this document and ...
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SSD for swap on Ubuntu server
Currently I am reading SSD reviews and I wonder how much exactly I will benefit if I move the 24 GB swap from 7200rpm HDD to SSD. Does anyone implemented swap space on SSD? Is this generally good idea?...
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What's in my ZFS ARC and L2ARC caches?
I have a simple ZFS setup at home, four disks mirrored, 8GB ram and 120GB Intel X25-M SSD for L2ARC. I ran zpool add poolname cache cXtXdX then generated load and eagerly tracked the warming process ...
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Age replacement policy for hard disks and SSDs at servers
I'm planing an age replacement policy for our storage and servers. Most of them are for DBs and some for images (static content) so yes, they have an huge I/O everytime.
Also, we use Samsung 840 Pro ...
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SSD IOPS on linux, DIRECT much faster than buffered, fio
I have a 30Tb-sized hardware RAID-6 system (LSI 9280-8e) of 10 DC-S4500 Intel SSDs that is used for database purposes. The OS Debian 7.11 with 3.2 kernel. The filesystem is XFS mounted with nobarrier ...
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How to over-provision an Intel SSD RAID Array via the Dell H700 PERC RAID Controller
I would like to set up a RAID10 array of 6 Intel SSD 320 SSDs, but over-provision them to enhance their performance and duration as per this PDF:
http://cache-www.intel.com/cd/00/00/45/95/...
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Who manufactures the enterprise SAS SSD drives sold by HP?
I'm curious about who manufactures the SLC and MLC Enterprise SSD drives sold by HP.
They are labeled "6G SAS Hot Plug Enterprise Performance Solid State Drives" and "6G SAS Hot Plug Enterprise ...
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SSD's in servers, best practice redundancy?
So some might say Im an experienced infrastructure architect guy and have been putting together server farms, storage subsystems and networks for a number of years in datacenter environments (...
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Using both expanders in HP D2700
I am considering purchasing an HP D2700 for use with SSDs (Samsung Pro 840's), for use in realtime playback of high resolution images. The D2700 has two I/O modules (which I assume are the actual SAS ...
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What RAID controller comes with DL360 G7?
I plan to setup RAID10 using SSD drives.
What RAID controller comes with the HP DL360 G7?
Is it a real Hardware RAID controller?
And it is compatible with CentOS Linux?
Will SSD be ok in RAID10?
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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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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 post-...
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Scaling databases with cheap SSD hard drives
I hope that many of you are working with high traffic database-driven websites, and chances are that your main scalability issues are in the database. I noticed a couple of things lately:
Most large ...
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Reliability of SSD vs HDD (Over large temperature variations)
I've got an application which requires data recording in a outdoor environment, and I am interested in the reliability of SSDs vs HDD when placed in a cold (down to -20) and hot (+50) ambient ...
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Hardware RAID Controller Support for SSD TRIM
Do any hardware RAID controllers available today support TRIM?
If not, do any manufacturers have target dates for supporting TRIM?
Should I even care about TRIM for SSDs installed in performance-...
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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 ...
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Implementing Linux fstrim on SSD with software md-raid
I'm currently building a new Ubuntu 13.04 server with 2 256GB SSDs in a raid mirror to run a MariaDB instance. We typically place LVM on top of dm-crypt encryption on top of an md raid 1 array, but ...
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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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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 ...
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Is post-sudden-power-loss filesystem corruption on an SSD drive's ext3 partition "expected behavior"?
My company makes an embedded Debian Linux device that boots from an ext3 partition on an internal SSD drive. Because the device is an embedded "black box", it is usually shut down the rude way, by ...
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Automatically mount SSD instance storage on AWS EC2 in Ubuntu 16.04
I am using an Ubuntu 16.04 EC2 from AWS on c5d.2xlarge HW. It comes with a 200 GB SSD called /dev/nvme1n1.
I am able to mount this drive using:
$ sudo mkfs.ext4 -E nodiscard /dev/nvme1n1
$ sudo ...
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SSD (Intel 530) read/write speed very slow with RAID 10
Explanation:
We have a Server:
Model: HP ProLiant DL160 G6
4 x 240GB SSD (RAID-10)
72GB DDR3 RAM
2 x L5639
HP P410 RAID Controller (256MB, V6.40, Rom version: 8.40.41.00)
SSD drives are 4 brand new ...