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

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0
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3answers
169 views

Server periodically freezing - Help Stabilizing [closed]

We run an asp.net/sql server data collection website with a hand full of clients dumping data in and running reports. We moved to a new server (specs below) and have had issues with it freezing and ...
2
votes
1answer
298 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 ...
2
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1answer
230 views

Is file system alignment required on hardware-raid with SSDs?

We are building a raid-10 with LSI 9260-4i + 4 x Intel DC S3500 SDDs. Partition alignment From what I understand I need to start fdisk with -H32 -S32 or Ted T'so variant with -H224 -S56 in order to ...
1
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2answers
257 views

SSDs, Hardware RAID, and TRIM

I was told by my datacenter that all HW raid, specifically the LSI 9260-4i hardware RAID controller, does not support SSD TRIM command. My question is, are there severe longevity/speed issues due to ...
1
vote
1answer
281 views

How to erase a SSD to restore factory performance in Linux?

Due to big performance issues with an mdraid-1 array I'd like to pull down from the array one of the devices (Samsung 840 Pro), erase it to restore factory performance and re-add it to the array. The ...
-1
votes
1answer
92 views

RAID 10 SSD Benchmarks [closed]

I haven't been able to find any benchmarks for the following setup: Intel Cherry 520 SSD x 4 RAID10 with LSI 9260 writeback-cache enabled. I'm looking to get 1.5gbps sequential
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3answers
161 views

RAID10 Without BBU, With UPS

My datacenter says that each rack has primary and backup power on each rack. I assume this means there is a UPS for each server. Therefore, do I have any need of getting a BBU for the following setup? ...
1
vote
1answer
364 views

Various problems with software raid1 array built with Samsung 840 Pro SSDs

I am bringing to ServerFault a problem that is tormenting me for 6+ months. I have a CentOS 6 (64bit) server with an md software raid-1 array with 2 x Samsung 840 Pro SSDs (512GB). Problems: ...
1
vote
1answer
267 views

HP ProLiant DL180 G6 SSD upgrade (sata 3)?

We've currently got a HP ProLiant DL180 G6 server with a Smart Array P410i raid card, and 8 HDDs running off it. We also just bought a new SATA Intel SSD drive to expand the server, that we're ...
2
votes
1answer
572 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 ...
-3
votes
2answers
403 views

Is having a SSD versus a HDD a good idea for Web Server?

I was looking to swap out my 2x500gb HDD on my web server (just runs apache+php on centos minimal nothing else) with 2x120gb (samsung 840 pros I can find them for about $70 on sale each). But I was ...
-1
votes
1answer
302 views

How to increase disk write-speed for SSD RAID10 array?

I've had no luck searching how to setup writeback cache on a RAID10 setup using mdadm software RAID. I'm trying to set this up for a 4x256Gb Samsung 830 SSD setup which only has 400Mb/s write speed... ...
3
votes
2answers
232 views

Is it safe to place write-intensive partitions on an SSD (in an SSD+HDD system)?

I'm setting up a (sort of) powerful workstation for SW development work on Linux. It's a Xeon system with multiple cores, 32GB memory, a large HDD and a 120 GB SSD (Samsung MZ7WD120HAFV a.k.a. ...
0
votes
0answers
38 views

How to set relatime for OpenVZ VPses?

I followed the instructions here (http://www.howtoforge.com/reducing-disk-io-by-mounting-partitions-with-noatime) to setup relatime for my host node. I got an error when running the commands under the ...
0
votes
1answer
86 views

SWAP reducing SSD write speed?

My SolusVM graphs have been showing 8Gb Swap usage even though the RAM is never over 50% used. Is it possible that virtual machines going into swap will reduce the IO of the SSD?
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votes
1answer
50 views

PCIe SSD - how reliable it is?

Since The database will be very read/write intensive, and there is alot of delete queries which will be executed : How reliable could be PCIe SSD , and how fast will it degrade on alot of delete ...
0
votes
1answer
164 views

PCIe SSD vs SSD vs SAS - which is best for Database?

Since I am going on shipping soon I wonder which generally will mostly boost the database performance ? The bridge question is - which will boost mostly a database which having a lot of random block ...
1
vote
2answers
582 views

HP DL380p Gen8 and PCIe SSD? [duplicate]

I have a doubt about using 3rd party PCIe SSD or SSD generally with HP DL380p Gen8. Do someone have tested it by any chance with 3rd party PCIe SSD and/or SSD's and/or normal HDD's ? or by any chance ...
3
votes
2answers
255 views

LVM with SSD + non SSD in volume group (for snapshot storage)

I have a KVM box running some critical VMs which perform software builds. The server runs SSD drives. I have an older version of KVM which has limited snapshot capability, and I have decided to use ...
-7
votes
1answer
89 views

How can find and sure hard disk of the server is SSD? [closed]

How can find and sure hard disk of the server is SSD? Linux and Windows, I woulk like to know both.
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2answers
63 views

Server Upgrade and Data migration [closed]

Hello, I'm migrating a server here is the detail of both server, Copy from Location Current Server have 450GB of Data in home drive, which is critical and must be copied.Current Server have 7200RPM ...
0
votes
2answers
183 views

How to maximize I/O on an OpenVZ VPS node?

I have an OVZ node with 46 VPSes. The SSD drive had 400Mb/s but after filling the node with VPSes the SSD drive sometimes drops to 40Mb/s. How can I prevent this from happening? Is there a way to ...
1
vote
2answers
776 views

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. ...
4
votes
2answers
703 views

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, ...
2
votes
1answer
542 views

Should I enable “Patrol Read” on SSD drives?

LSI, Intel and Dell RAID controllers (perhaps others) have a "Patrol Read" feature to try to spot when a drive is failing before it completely fails. LSI seems to disable patrol read on SSD by ...
7
votes
1answer
391 views

Background discard on swap partitions on Linux + SSD

Problem I want to enable background TRIM operations on a swap partition within a SSD disk on Linux. According to several articles, e.g. this one, the kernel detects this configuration and ...
10
votes
3answers
637 views

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 ...
0
votes
3answers
194 views

I/O on SSD hosting a DB periodically hangs with queue length peaks of 800+

i have a problem which i cannot identify correctly. I have a process (on WinSrv 2008 R2) which imports data into Mongo DB and periodically whole system freezes - once per 5-10-15 minutes for about ...
8
votes
2answers
4k views

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. ...
1
vote
1answer
63 views

Removing and re-adding a raid drive

Lets say I remove a drive from a RAID array on a HA server for a period of time then re-add it. Is there a way to limit the rebuild to a diff of what has changed since it was pulled, or does it have ...
2
votes
1answer
135 views

Concerns of simultaneous failure of SSD Raid1

Since SSD's have a write limit requiring wear leveling one would assume that all things being equal 2 identical SSD drives would wear nearly identically if they mirror data writes. When one drive ...
23
votes
5answers
2k 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 ...
1
vote
0answers
38 views

Why my SSDs are in /dev/hdx instead of /dev/sdx on CentOS 5.9?

I have two SSDs Kingston SH103S3240G plugged on SATA ports of my Intel Server Board S3000AH. The SSDs apear like a PATA device (hdx instead of sdx) on my CentOS 5.9. I'm having problems related to ...
2
votes
2answers
412 views

Are there any SAN vendors that allow third party drives? [closed]

I'm trying to convert our SaaS platform to SSDs for performance reasons, and wanted to use the new Intel DC3500. But our Dell SAN only accepts authorized Dell drives, and their only options are eMLC ...
3
votes
3answers
1k views

Is it wise to use SSHDs (Solid state hybrid drives) on a server?

I have a bunch of servers with very heavy I/O that currently use SATA3/SAS drives, but do suffer from I/O wait on the SATA drives, and I have just been alerted to the existence of SSHDs which cost the ...
2
votes
1answer
151 views

Performance of Linux software raid-1 across SSD and HDD (partitions)

How does Linux software raid-1 work across disks of dissimilar performance. Would a raid-1 across ssd and hdd partitions give me a mirror of the ssd contents while not impacting the read speed? I ...
0
votes
2answers
819 views

Software for RAID Failure Alerts?

I have two 256 GB Samsung 840 Pro SSD disks in a RAID 1 array. I would like to receive a notification if one of the disks in the array fails. Can anybody recommend an application I can install on the ...
0
votes
1answer
337 views

Which alternative is most performant (raid, ssd, 15k rpm disks)

I'm looking at the DELL PowerEdge™ R720 from Hetzner. This server has a Dell PERC H710 8 Port SAS/SATA 6GBit/s raid controller. I have the choice between: 3 x 600GB SSD (MLC SATA 3Gb/sec) 6 x ...
3
votes
3answers
901 views

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 ...
10
votes
6answers
2k 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 ...
2
votes
2answers
346 views

SSD disk reports ATA errors

Yesterday I got report about SSD ATA errors on one of my hosts. SSD disk is 128MB OCZ-VERTEX4 Firmware rev 1.3 about 8 months old. OS is Ubuntu 11.04 running kernel 2.6.38-16-generic. Motherboard ...
-1
votes
1answer
53 views

Mounting ssd. Expectations vs reality about server load

I'v installed SSD on my server and moved tmp folder, mysql data folder and 2 most loaded websites(php) on it. I'v expected that server load will fall a little bit, but it seems that it is on the same ...
-3
votes
1answer
44 views

Mix physical media for ESXi VM, or keep it all on one physical volume? [closed]

Say I have a 120GB SSD and a 2TB volume from a portion of a larger RAID6 array. I would like to spin up a Windows Server VM for purely low-impact personal use that employs a large data store in some ...
5
votes
1answer
2k views

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 ...
105
votes
5answers
10k 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 ...
3
votes
1answer
412 views

Maintenance (TRIM) of SSDs in HW RAIDs

I have 2 ARECA 8040 HW-RAIDs, with 8 SSDs each. One is RAID10 with Intel 520 SSDs, the second is RAID5 with Samsung 840 SSDs. Both are connected to the Server with one shared LSI Logic / Symbios Logic ...
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votes
2answers
227 views

how to use SSD for streaming videos, while storing on HDDs [closed]

I run a video hosting, youtube like site. I currently run it with 2x3TB HDDs and they max out at 150mB/s I`m willing to achieve higher speeds and I think of storing the data on HDDs and streaming ...
19
votes
4answers
1k views

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 ...
1
vote
1answer
172 views

Does the Dell Equallogic PS5000E accept SSD drives?

I have an EQL PS5000E which with a recently expired support contract. I am running firmware 6.0.2 and given that this is an old array I don't plan to renew support. My VAR says that the PS5000E can ...
0
votes
3answers
744 views

Which SSD to choose, when unexpected powerlosses are frequent?

I am working on a embedded system where there can be unexpected power losses. So far it has been using a Corsair F80 SSD with Windows Embedded Standard 7 (NTFS), and after a unexpected power loss ...