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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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how to achieve rated full read speed from an SSD?

how to achieve rated full read speed from an SSD?
uzair
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Does repartitioning on an SSD effectively reduce the lifespan of the device?

When repartitioning to a different size on an SSD, is the data in the partition rewritten to the SSD, or is an aggressive rereferencing method used? Specifically, when using gparted under Ubuntu to repartition an SSD, there is a step whereby it…
Paul Sonier
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4096 and 8192 block size read slower than write? by using lsi 9361-8i RAID10

is it possible that 1024 and 2048 block size read speed is faster than 4096 and 8192 block? I'm using lsi 9361-8i with RAID 10 , with 8 x Kingston E50 250G. result: 1024 = Write: 2,251 MB/s Read: 2,625 MB/s 2048 = Write: 2,141 MB/s Read:…
Min Hong Tan
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SSD+MDRAID+LVM+KVM results in lower performance than expected

We use kvm for virtualization, the disk images are stored as logical volumes. The logical volumes are stored on a bunch of software-RAID1 (mdadm) arrays composed of Intel DCS3500 SSDs (each array is a physical volume in the volume group). If I…
Pentium100
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Using SATA III SSDs for ZFS pools

I'm thinking of building a ZFS server optimized for random access (PostgreSQL database). I figured that I have 2 options: Use pools consisting of the Crucial M500 960 GB SATA III SSDs. Enterprise SAS SSDs are not price-effective, considering that…
elleciel
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Slow disk performance on PowerEdge R720

Every few months PowerEdge with SSD (INTEL SSDSA2BW60) comes with results like: hdparm -tT /dev/sda /dev/sda: Timing cached reads: 690 MB in 2.00 seconds = 344.84 MB/sec Timing buffered disk reads: 170 MB in 3.00 seconds = 56.59…
mpapec
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Is it possible to use SSD for storage on Windows Azure?

There is some marketing-speak suggesting that it may be possible ..: http://gigaom.com/2012/06/05/new-windows-azure-goes-all-ssd-to-one-up-amazon-in-the-cloud/ .. but I couldn't find any way to actually do it using control panel. More specifically,…
iljau
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How can I use full 32GB of SSD in my c3.large EC2 instance?

I have created an c3.large instance using amazons default image "amazon-linux-centos-64-bit (ami-673af20e)". When I set it up I created a root volume of only 8GB. So theoretically I should be able to create another 8GB + 16GB SSD volume (c3.large…
Peavey
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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 the users develop websites, the others do basic…
user196611
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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? Intel Cherry 520 SSD x 4 RAID 10 LSI-9260 with…
user3180
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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 planning to connect to the motherboard's SATA…
Artiom
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HP DL380p Gen8 and PCIe SSD?

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 if tested with OCZ 240GB PCI Express RevoDrive 3…
Yordan Yanakiev
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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 to do a complete rebuild? We have been using…
Tvanover
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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 high iowait. Does this have something related? On…
Tomir Schmite Jr.
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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 be loaded with either 8 SSD to run it in tiered…
Reality Extractor
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