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

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ext4 filesystem corruption — maybe hardware error?

I'm getting these errors in dmesg after about half an hour after I turn on the computer: [ 1355.677957] EXT4-fs error (device sda2): htree_dirblock_to_tree: inode #1318420: (comm updatedb.mlocat) ...
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1answer
178 views

Missing files in Windows 2008+VHD+SSD

I have running Windows 2008 Server machine on my SSD disc from VHD file. Today while I was working with Windows the 30% of files disappeared. There are only folders left and no files. I can't find ...
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2answers
576 views

Rule of thumb: SATA for storage & serving static content, SSD/SAS for databases?

The question says it all. But, is it true? Can someone explain what's the differentiating factor here (how one type of disk is better than another for a specific purpose)? (FYI, I've tried searching, ...
2
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2answers
435 views

SSD redundancy via HDD

Is there a way to guarantee redundancy to an SSD using an HDD? Raid 1 is the best choice to guarantee redundancy in HDDs, but SSDs are too expensive to guarantee redundancy via RAID. If I was to ...
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2answers
1k views

How much space should I leave free on an SSD to ensure performance and stability?

I have heard from various sources that if you use close to all of the storage on your disk you will run into performance and/or reliability issues. Is this also true of SSDs? If so how much free space ...
0
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2answers
283 views

Recommended filesystem, mysqltmp and filesystem related settings for a mysqld box running ssd + BIG ram + linux?

What is the recommended filesystem + mysqltmp location when dealing with a ssd based system that has some ram to spare? Currently we run our mysqltmp folder on a 4gb tmpfs partition. Works great. But ...
0
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1answer
186 views

SSD RAID 0 Setup for database application. What results should I look for?

I guess for database applications Random 4K Read/Write values of the SSD should be the one which should be checked first. The question is how many queue depth should I check? As far as I see Random ...
5
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7answers
2k views

setup lowcost image storage server with 24x SSD array to get high IOPS?

I want to build let's name it a lowcost Ra*san which would host for our social site the images (many millions) we have 5 sizes of every photo with 3 KB, 7 KB, 15 KB, 25 KB and 80 KB per Image. My ...
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1answer
804 views

What's the difference between Adaptec's “maxCache” and “Hybrid RAID” technologies?

http://www.adaptec.com/en-us/_common/maxcache/ http://www.adaptec.com/en-us/_common/hybrid-raid/ They sound similar, but there's no detailed description of how either of them work.
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4answers
9k views

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 ...
3
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3answers
620 views

Using SSD drives in a raid in an operation involving little to no deletes

From what I've been able to understand when reading about the case with Solid State drives and raids, the problem is that TRIM cannot be used for them in a raid configuration, thus, resulting in the ...
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1answer
155 views

Can I expect better read/write performance for fileservers in large companies shortly? [closed]

Thanks to this article (in Norwegian), I started researching a bit about the new Intel Solid-State Drive 710 Series, which is a MLC with about 30 times improved endurance. It seems like they are ...
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1answer
448 views

How should I partition a 64GB SSD for multiple Linux installations? [closed]

Are there any things I should keep in mind in order to increase the longevity and efficiency of my SSD?
4
votes
1answer
118 views

RAID Mirror with difference HD types

Can a SSD and a non SSD be setup in a Mirrored raid configuration (non software)?
2
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1answer
1k views

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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6answers
8k views

Verify TRIM support with BtrFS on SSD

We are looking into using BtrFS on an array of SSD disks and I have been asked to verify that BtrFS does in fact perform TRIM operations upon deleting a file. So far I have been unable to verify that ...
2
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2answers
188 views

SSD linux aligment

Hi I have bought a ssd disk and Im not sure if I aligned it correctly. If I understand it correctly the starting sector should be dividable with 512 and it does not matter when the partition ends as ...
3
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1answer
1k views

Using X25-E SSD on Dell R710 w/PERC H700

I noticed that StackExchange/ServerFault is using a Dell R710 with PERC H700 controller and Intel X25-E SSDs for a database server. We're trying to do the same thing! We're currently running the ...
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1answer
217 views

SSD Write Performance and Relaibility [closed]

SSD do give a really fast Random Read Performance over conventional Hard Disks typical data transfer size is 4k or 8k.Although the Sequential Reads performance is not that huge, data transfer size of ...
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2answers
135 views

Solid State Devices [closed]

Why is solid state devices not a good option to store data for a very dynamic (frequent updates) oracle database? Although for read intensive databases ssd does give a huge performance improvement.
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1answer
369 views

Performance question fast cpu vs. ssd drive for web application [closed]

I need to setup a dedicated server for running a web application with sql server at the back end. Only thing at this point matters to me most is the performance for web users. Here are my choices: ...
0
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1answer
201 views

Will SSD makes software installation/drive re-imaging faster? [closed]

Given that there is not much of a difference between entry-level mechanical drives and SSD based on average write throughput, I'm wondering if switching to SSD will make OS installation (or software ...
0
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2answers
866 views

Hyper-V Core: Dedicate SSD for pagefiles

I want to move pagefile.sys from C: -HDD- to S: -SSD- on Hyper-V Core. I just upgraded RAM from 8GB to 16GB. 8GB was pretty enough. I also want to move guest OSes' pagefiles to SSD as .VHD format. ...
3
votes
1answer
2k views

Is TRIM possible on SSD disks in RAID 1?

I am going to build a new server to handle a high-traffic php/mysql site. I am going to use SSD disks to benefit from fast random read performance but really got confused about choosing the right SSD ...
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1answer
349 views

Windows Storage Server and SSDs in Raid 0 - Slow performance

We have a computer running Windows Storage Server 2008 R2 with 6 SSD in RAID 0. This storage computer has one PCI-E with 4 Ethernet ports and we connected it to a gigabit switch to other computers ...
0
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3answers
885 views

SSD Performance for PHP?

My programmer just built an application with PHP using Doctrine ORM (will be a high traffic social networking website), and it's very heavy in PHP/Apache and CPU. The queries are wonderfully fast, and ...
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2answers
293 views

MS-SQL Which files on which drives?

I'm quite a novice at configuration of MS-SQL so would appreciate some advice. I've got a Dell PE2950 Twin Quad Xeon server with 32GB RAM running MS-SQL 2008 Web Edition. The drives are 4x73GB SAS ...
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1answer
562 views

Hardware specs for web cache

I am looking for recommendations for hardware specs for a server that needs to be a web cache for a user population of about 2,000 concurrent connections. The clients are viewing segmented HTTP video ...
3
votes
1answer
638 views

2x SSD's in RAID1 for MySQL server

I'm in need to upgrade my MySQL machine, as currently I am running 2x SATA 7200rpm drives in RAID0. This of course is quite dangerous incase one of the drives fails. As I do not need too much storage ...
15
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8answers
6k views

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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2answers
234 views

SSDs in high read/write environment

At the minute, we host VPSes for many customers using standard RAID10 setups using spindle hard disks. We are thinking of trying a new experiemnt: SSD based VPSes in RAID10 arrays. My knowledge ...
11
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3answers
8k views

Quick method to determine SSD drive health?

I have an Intel X-25M drive that was marked "failed" twice in a ZFS storage array, as noted here. However, after removing the drive, it seems to to mount, read and write in other computers (Mac, PC, ...
4
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2answers
800 views

Does it makes sense to run “optimize table” when the mysql database is stored on SSD?

The manual says about "optimize table": "Deleted rows are maintained in a linked list and subsequent INSERT operations reuse old row positions. You can use OPTIMIZE TABLE to reclaim the ...
2
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2answers
189 views

SSD TRIM Support in Snow Leopard

Does Mac OS X Snow Leopard officially support SSD TRIM yet? If not, is there an expected availability? Also, is there a brand of SSD that is most compatible with a late-2009 Mac Pro?
2
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1answer
945 views

Install MySQL on SSD, best mount options?

I want to install the mysql-server on my SSD, what are the best mount options for this? (/etc/fstab) What else I can do to increase the SSD Speed? My current configuration: /dev/sdc /ssd ext4 ...
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2answers
291 views

ASP.Net Webapp no performance improvement with huge server update

i am running an ASP.Net webapp on a dedicated server and recently made a significant update to the server hardware. To my surprise there is absolutely no performance increase. old server: single xeon ...
10
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3answers
4k views

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 ...
4
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1answer
4k views

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: ...
11
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7answers
3k views

Does it make sense to install SSDs on server?

I want to build a server hosting about 2TB+ data. Of course SSD is out of the picture in terms of the data drive. My question is: Is there any benefit to use SSDs as the boot drive? I plan to put 16G ...
3
votes
2answers
1k views

ZFS: best practices for adding cache to pools

sounds like dumb question but there are no ready answers at SF can the cache pool have different name than the zpool? eg: suppose there is a zpool "tank" serving NFS and iSCSI can a new cache pool ...
0
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3answers
3k views

How does putting swap space on an SSD affect performance?

This is more of a generic question I'm interested in, rather than something I'm planning to use in production. If I got, saym a 40GB SSD drive and allocated the entire drive to be swap space leaving ...
2
votes
2answers
4k views

ESXi: Which SSD / important SSD parameters?

I want to setup a small ESXi server, which has to be silent, therefore I will use a SSD drive, however I am not sure which one I shall use and which parameters of a SSD are important for usage with ...
0
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1answer
2k views

Why is RAM Disk so much faster than an SSD drive? [closed]

Why is RAM Disk so much faster than an SSD drive?
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1answer
464 views

How to copy image of used portion of boot HD to smaller replacement SSD

I bought a 80gb Intel SSD to be my primary boot and system disk. I have trimmed my current primary (500gb RAID1) down to 60gb. I want to now image or copy and make the SSD my primary. The software ...
0
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2answers
280 views

what should i do with an extra ssd disc?

I have this server setup: http://www.server4you.com/root-server/server-details.php?products=5 That gives an extra 60 GB OCZ Vertex 2 SSD hard-disk. I don't want to use it as storage. What should i do ...
0
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1answer
199 views

Scale a highly transactional SQL server

I’m looking to upgrade one of my site servers. The site currently executes around 20m sql queries a day and this is growing quite fast. Right now IO throughput is a real issue, so my idea is to move ...
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1answer
942 views

Does the PERC 5/i Integrated controller support SATA II/III?

I have a refurb 2950 with a PERC 5/i Integrated controller. Currently, there are 4x 3.5" SAS drives in use, with two slots available. I want to add two SSDs (using a 3.5" ICY dock) in RAID1 in the ...
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2answers
493 views

Temporary IO boost for an MSSQL server

The company that I am working for is looking at doing a data upgrade on a database to go from one version of an application to the next (Axapta 3 to Ax 2009). This process is very IO intensive and ...
2
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1answer
155 views

Plone / Zope / ZEO on SSD - Recommendations

I'm evaluating a new server for our Plone / Zope Installation (3.2GB Data.fs and 7.4GB blobstorage). The installation serves mostly authenticated requests and has lots of edits (Intranet and eLearning ...
0
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1answer
71 views

Is there any longer such a thing as a nonvolatile RAM based storage device (not flash)?

There used to be such things, rare though they were. For instance I recall there was a CompactFlash static RAM card. But surely somebody still makes a battery-backed SRAM or DRAM based PCI card based ...