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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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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 Device: rrqm/s wrqm/s r/s w/s …
Atm
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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 whether the ext4 will trim all the free blocks the…
C2H5OH
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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 come up with a reason. My logic is that the server…
NessDan
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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 servers run both our production db instance and a…
Mxx
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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 following. When i put a Oracle redo logs on first sdd…
Aldarund
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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 is memory, but I realized that there is only one…
John
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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 random IO produced by virtualized workloads. I was…
root
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SSD for database or webpage files?

I can have SSD for the mysql data files and system or the website files (.php files, images, video). I can not have both because of the SSD capacity I have. What would be best, to make Windows 2012 and mysql on the SSD or the web files? Does anybody…
Jerry2
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Exchange and MS CRM on SSD's

I am looking at building a server for a friends business. This would probably be a SuperMicro job to come in on a small budget, 9 series with Sandy Bridge Dual Socket 2011 26xx processors. I'm looking to maximize price/performance. Who isn't? …
Erik Funkenbusch
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Check alignment of SSD

I did a migration of my OS from HDD to SSD on Windows 7 using its backup and restore utility. How can I check if the SSD is aligned properly?
urok93
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Is wiper.sh working?

I'm setting up a server running Ubuntu Precise, and I'm trying to verify if SSD TRIM is working. fstrim is failing: ~ sudo fstrim -v / fstrim: /: FITRIM ioctl failed: Operation not supported So I tried wiper.sh in hdparm: wiper-3.5 sudo…
Aleksander Blomskøld
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ZFS SSD Trim and Software Raid 5

I am trying to find if the ZFS filesystem has added support for Trim to Raid 5? I am setting up an SSD array in Raid 5. I also would like to know if there is any good software raid 5 alternatives to an LSI raid controller card? Keep in mind, I am…
Nathan Sire
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Considering MySQL on SSD with NTFS and Windows 2008

My company is considering migrating our MySQL data from an HDD array to an SSD, possibly the Intel SSD 520 series. We have a fairly large set of databases, some with upwards of 100 million rows, so we are looking for some performance gains. I have…
William Buchanan
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I have 2 Servers, Use Faster server for Web (IIS) or Database (MySQL)?

I currently have 2 1U rack servers, one running IIS the other MySQL. I'm replacing the database server because the hardware is old. The new server I purchases is also faster than my web server though, So I'm trying to decide which server should…
Canadaka
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Adding SSD boot disk to machine running RAID 10

I have a server (dev rig) that runs Windows 2008 R2 and boots from a RAID 10 setup. Now I want to add an SSD disk that will contain Windows 7 (could be dual boot, but dont plan on salvaging the existing OS setup as it only contains virtual machines…
Anders Rask
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