Solid-state drive refers to a data storage device that uses solid-state memory to store its persistent data.
-3
votes
1answer
29 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 ...
-3
votes
0answers
43 views
SSD for small business server [closed]
I currently run my server on a home office computer running on Windows 7 PRO (for now). The maximum amount of users using files from the server varies between 15 - 20. However, I'm finding that things ...
1
vote
1answer
32 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 ...
85
votes
5answers
4k 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
96 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 ...
-8
votes
2answers
67 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 ...
16
votes
3answers
668 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
38 views
Does the Dell Equallogic PS5000E accept SDD 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
73 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 ...
0
votes
1answer
26 views
Which partition utility's output is correct?
I have Fusion ioDrive2 785GB (731.088 GiB) SSD card.
The server is running Oracle Enterprise Linux 6.4 (RHEL6.4 compatible).
It is low-level formatted as such:
"80% factory capacity"
Format ...
1
vote
1answer
72 views
100% SSD usage Linux
Every 20-30 seconds my HDD usage goes to 100% (iostat).
iotop is showing that [flush-8:0] is using 99% HDD during these times. In between HDD usage is 1-10%.
iostat output:
04/22/2013 08:58:44 AM
...
1
vote
1answer
59 views
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 ...
-1
votes
1answer
99 views
Disk IO in Linux is slow (2MB/sec) while in Windows its fast (400MB/s) [closed]
I have a server with an ASUS board with a 256GB SSD
In Windows, using HDTune my drive shows 400MB/sec
on Linux, I'm getting about 2MB/sec using
root@desktop:/# dd if=/dev/zero of=/foo bs=1024k ...
1
vote
2answers
146 views
SSD read errors; should I be worried?
An SSD just over a month old is producing read errors in my syslog whenever rsync backs it up:
[276877.360221] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
[276877.360226] ata1.00: ...
1
vote
1answer
51 views
TRIM persistence across reboots
Let's say we have an ext4 filesystem image we dumped onto an SSD (with dd). After a few mounts we learn that we should use the discard flag to emit TRIM commands to the drive. As it is unclear ...
0
votes
2answers
250 views
To SSD or not to SSD? (Virtualization - Xenserver) [closed]
I have several Xenserver boxes running (very well). Most of ours are setup with a RAID1 with two mechanical 7200rpm enterprise sata drives, or RAID10 with 4 7200 enterprise sata drives. The sata ...
-2
votes
2answers
121 views
whats the difference between 1lane and 2lane with SATA-3 speeds? [closed]
I read the beauty of PCIe is that a designer can combine two, four, eight or sixteen of PCIe lanes into a single data port.
2.5 Gb/s PCIe×1
5 Gb/s PCIe×2
I have two sata 3 drives that I want to ...
0
votes
0answers
65 views
Most appropriate Hard Disk for Host filesystem on VM server with SSD and HDD [closed]
I am putting together a new system which has both SSD and standard spinning disks (1 x RAID1 SSD set and 1 x RAID1 HDD set).
Most sites I've looked at suggest putting the root file system on the SSD ...
2
votes
3answers
198 views
Should I put the OS of a game server (Minecraft) onto an SSD?
So, I plan on deploying Minecraft servers.
Now, typically for consumers, putting your OS onto an SSD is a smart decision - boot up times are a lot faster. For a server environment though, I couldn't ...
0
votes
1answer
70 views
SSD Asserted Errors, Dell server
I have installed Crucial SSDs on a new Dell r620 server. Ipmitool keeps alerting that the drives state is changing.
/etc/cron.hourly/ipmisel.cron:
2 | 03/07/2013 | 23:32:18 | Drive Slot #0xa3 | ...
6
votes
1answer
541 views
Why is this SSD drive failing with bad sectors, and was it predictable?
Note: this question was previously closed as off-topic. You can read the discussion. My reasons for asking it here are:
This drive is in an offline content cache server for schools in rural Zambia.
...
0
votes
0answers
55 views
Intel RS2BL080 hardware raid controller and SSDs
I am looking to upgrade my server that I am renting from my hosting provider to something faster.
What they are offering is an Intel RS2BL080 with up to 6 Intel 520 Series 240gb ssds
This is all they ...
0
votes
0answers
26 views
PC cluster for fast IO [duplicate]
I’m looking for the best computer configuration to build a computer cluster. This computer cluster is going to be used for a search engine which uses a lot of quick-access I/O operation, so my top ...
0
votes
2answers
78 views
SSD RAID type & hardware [closed]
Question Edited:
Is Intel RSTe RAID sufficient for SSD RAID volumes, given SSD speed and low CPU overhead, or should I still use a controller with battery backup? From reading, it seems the ...
1
vote
1answer
149 views
Is there a Linux/Ubuntu tool to measure total writes performed to SSD
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 ...
1
vote
1answer
216 views
ext4 mkfs option for usb stick
i have an raspberry pi running the raspian (debian) linux. I need to add an "external" storage to store an mysql database and cache-directories for webdav mounts.
For that I like to mount an USB ...
-1
votes
1answer
59 views
Fast storage for a server [closed]
I have created a search engine which is implemented in Java. I want to put this program to a server and test it. My program is very dependent to disk I/O and any improvements to disks would directly ...
0
votes
1answer
169 views
8kb block sizes as it relates to different storage layers
I have a PCIe SSD card that uses 8kb block cells. It supports "Virtual Controllers" that
can split this drive in half and create LVM RAID0 with 8kb stripe size.
On top of that I install a file system ...
1
vote
2answers
112 views
What kind of performance overhead with LVM on Fusion ioDrive2 as Oracle DB 11gR2's Flash Cache?
This is a bit wordy, so please bear with me. :)
We have a RAC cluster of 3 Oracle 11gR2 servers and purchased FusionIO ioDrive2 PCIx cards for these servers to use as OracleDB's Flash Cache.
These ...
0
votes
0answers
18 views
FFMPEG - Hardware Optimization [duplicate]
Please do not confuse this question with - Server to use for ffmpeg
What I am trying to figure out is, for a Youtube like service, how hardware is optimised/utilised?
I think, we need to consider ...
0
votes
2answers
55 views
RAID 0 on drives with different size then use another to RAID 1 those [closed]
I have a 128GB SSD drive. I am thinking of buying a 120GB SSD and a 256GB SSD and combine the 128GB and the 120 GB into a RAID 0, and then combine the RAID0 with the 256GB in an RAID1 configuration.
...
0
votes
0answers
59 views
Directory listing performance with SSD drive [closed]
Upgrading development laptops from DELL XPS 13 (7500rpm HD, W7) to a newer Samsung Series 9 (SSD HD, W8) I discovered the following:
While SSD shows up much better performance in tests (hdtune shows ...
0
votes
0answers
109 views
SSD Performance under Oracle
I have serious performance issues with oracle running over ssd.
I have two OCZ Vertex 3 MAX IOPS drives (firmware 2.15). It runs on a INTEL C600 SATA Chipset.
Windows 2008 R2.
So the issue is ...
0
votes
1answer
171 views
Dell H710P, Non-Dell SSDs, and RAID Failures
As long as a non-Dell drive is recognized by the H710P controller, and I'm able to set it up in a RAID, will RAID errors with regard to the non-Dell drives be reported?
I setup a RAID10 (16 x 256GB ...
-2
votes
1answer
85 views
What errors would be logged if SSD is failing or has failed in RAID 1?
What are the errors, if any, that would be observed on /var/log/messages if an SSD is failing or has failed? I would like to know how such errors would be worded so that it could be picked up by an ...
0
votes
2answers
167 views
install third party ssd in ibm xseries x3650 M4
i am in the process of purchasing a new network server, it's going to host SQL Server and Exchange so i would like to have the best possible IO, the ibm SSD i could afford it's the micron P400e, i ...
1
vote
2answers
97 views
What is the likelihood of data loss in a failed SSD vs HDD?
It is well documented on Wikipedia that a head crash in a hard disk drive (HDD) may result in some data loss. However, there is not much being written about the different modes of a solid state drive ...
0
votes
0answers
142 views
RAID10 (4x SSD) system is super slow for 'dd' and 'find' commands
I have configured two servers each with 32 GByte RAM, 2x Xeon 2.4 GHz, 4x 480 GByte Intel SSD on a LSI MegaRAID SAS 9261-8i controller. They should be identical, however one of them has a very poor ...
0
votes
0answers
272 views
Formatting SD card with yaffs2 (using mtd2block)
An answer to my previous question: Making SD card corruption-proof suggested using mtd2block and formatting the SD card with yaffs2 or JFFS2.
I don't really have experience with creating images of ...
0
votes
0answers
89 views
Intel S2600CP4 SSD RAID 'corrupts' after a few boots
We've attempted to build an SSD RAID 1 using Intel server motherboards and SSDs a few times, using current and previous gen Intel boards.
We can normally get through installing Server 2008 R2 x64, ...
1
vote
3answers
82 views
Random crashes on my WIndows server machine
This week I am getting curious random crashes on one of my Windows machines. Crash always ends with BSOD but with random error codes in random system drivers. No record in Event log.
So first guess ...
-1
votes
2answers
103 views
InnoDB on server with 2 SSDs [closed]
I have a server with 2 SSDs. I'm running a LAMP install and have an innoDB database on it.
my questions are :
1) would innoDB automatically use both SSDs or would it only use one ?
2) would I incur ...
2
votes
1answer
491 views
Why does storage's performance change at various queue depths?
I'm in the market for a storage upgrade for our servers.
I'm looking at benchmarks of various PCIe SSD devices and in comparisons I see that IOPS change at various queue depths.
How can that be and ...
0
votes
0answers
34 views
Increasing SQL Server / Sage performance with SSD? (Dell PE T410) [duplicate]
Possible Duplicate:
How do you do Load Testing and Capacity Planning for Databases
I have a client wanting better performance of their Sage (Accpac & CRM) server (v5.5, soon to be v7).
...
4
votes
4answers
397 views
32 core (each physical core) 2.2 GhZ or 12 core (6 physical cores) 3.0GHZ? [closed]
I am working on a multithreaded application (Forex trading app built on C#) and had the client upgrade from the 12 core 3.0GHZ machine (Intel) to a 32 core 2.2 Ghz machine (AMD). The PassMark ...
0
votes
0answers
28 views
Software Raid1 with Trim [duplicate]
Possible Duplicate:
Possible to get SSD TRIM (discard) working on ext4 + LVM + software RAID in Linux?
I have two Crucial C300 SSD disks that I would like to use as my OS disks in my new ...
2
votes
1answer
314 views
Server responses “bus error” to every command
I have a linux machine dedicated to MySQL server with a pretty high load. Today I woke up and was terrified to see, that database server is down. I could connect to it via SSH, but it was responding ...
9
votes
2answers
484 views
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 ...
0
votes
2answers
176 views
SSD suddenly full
Today the hard drive of our server was suddenly full. The disk usage always stayed around 50 % in the weeks and months before (old data is regularly expunged from the server).
I deleted 10 GB of ...
1
vote
1answer
410 views
RAID 10 over RAID 5 when using SSDs
I am considering implementing an iSCSI shared storage array using SATA SSDs instead of the 15k RPM SAS drives we normally purchase.
We normally use RAID 10 because of spindle contention with the ...
