Solid-state drive refers to a data storage device that uses solid-state memory to store its persistent data.
-3
votes
0answers
42 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
27 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 ...
81
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
92 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 ...
0
votes
3answers
852 views
SSD Harddisk and linux distro with TRIM support
I have a Corsair Force Series SSD harddrive which I plan to put in a 1 unit linux box as a linux server.
The server itself will be making a lot of random reads and very little writes, which makes SSD ...
16
votes
3answers
626 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 ...
-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 ...
3
votes
2answers
3k views
SSD on Vmware ESXI 4 (TRIM? Good Idea?)
I just posted about finding bottle necks and have narrowed it down to having way too many VMs on my machine on one 15K SAS drive. I have plenty of cores and plenty of ram.
So I am planning on putting ...
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 ...
3
votes
4answers
4k views
Pros and cons of installing ESXi on a SSD vs USB flash drive?
I'm debating on doing an ESXi 4.1/5.0 installation on a USB stick or a pair of 32GB SATA II SSDs (RAID1 mirror). According to VMWare's documentation, when ESXi is booting it looks for a 4GB space for ...
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
2answers
803 views
MySQL moving ibdata & ib_logfile
I'm trying to move ibdata & ib_logfile on ssd drive. I tried this way, but it don't work:
service mysql stop
cd /var/lib/
cp -ra mysql mysql_backup
cp -a mysql/ibdata1 mysql/ib_logfile* ...
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
58 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 ...
16
votes
6answers
8k views
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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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
144 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: ...
6
votes
1answer
519 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.
...
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
235 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 ...
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votes
2answers
120 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 ...
2
votes
3answers
197 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
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 ...
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 | ...
0
votes
0answers
53 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 ...
1
vote
1answer
146 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 ...
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
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
1answer
167 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
1answer
212 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
6answers
4k views
ZFS - zpool ARC cache plus L2ARC benchmarking
I have been doing lots of I/O testing on a ZFS system I will eventually use to serve virtual machines. I thought I would try adding SSD's for use as cache to see how much faster I can get the read ...
-1
votes
1answer
2k views
Using smartctl to get vendor specific Attributes from ssd drive behind a SmartArray P410 controller
Recently I have deployed some HP server with SSD's behind a SmartArray P410 controller. While not official supported from HP the server work well sofar.
Now I like to get wear level info's, error ...
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
2answers
164 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 ...
0
votes
1answer
168 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 ...
0
votes
0answers
107 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 ...
-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 ...
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 ...
16
votes
8answers
47k views
Should you disable page file with SSD?
I've been reading this question, and it has a lot of great information.
But assuming you have more than enough ram, I think page file should be disabled on SSD to extend the life time. I know you ...
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
268 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, ...
0
votes
3answers
571 views
Adaptec MaxCache SSD tax? [closed]
I'm wondering if this is a disguised tax:
I wanted to use Adaptec MaxCache/MaxIQ, but I discovered after trying it that it work only with Adaptec rebranded SSD by Intel OR by buying "special" Adaptec ...
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 ...
