a solid-state disk (SSD)

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2
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2answers
617 views

mbcache documentation

I want to experiment with mbcache kernel module, but I'm having trouble finding the documentation for it. If I understood correctly, mbcache allows the use of a fast SSD disk to act as a transparent ...
3
votes
3answers
2k views

Will formatting my drive TRIM my SSD?

Will a standard fresh linux (Ubuntu 11.10 to be exact) install and drive re-format (full) successfully TRIM my SSD, or do I need to do something extra? I know that ext4 will TRIM blocks on erase ...
6
votes
1answer
993 views

Move /usr to SSD

I have an SSD and regular HDD drive in my laptop. The SSD drive is not used at all; it is not even being mounted. I am using Arch Linux. I'd like to start using the SSD, and from what I have read I ...
6
votes
2answers
812 views

Poor random read SSD performance on Linux

I recently got an Intel 320-series SSD, and I am having difficulty achieving the advertised 38K IOPS for random 4K reads. Both with fio and my own hacked-together program, I am seeing around 6K IOPS. ...
7
votes
4answers
3k views

Switch off syslog on laptop?

Is there any point in keeping logs on my laptop? This is not a server to debug problems via syslog. I occassionally want to look at dmesg | tail but that does not mean I need anything on disk. Wastes ...
17
votes
4answers
1k views

File system for an SSD drive

I always thought that traditional file systems, are geared and optimized for non-ssd drive, where, for instance, data locality is important, and fragmentation is problematic. Is there a file system ...
18
votes
7answers
5k views

Linux equivalent to ReadyBoost?

Is there a kernel module or some other patch or something similar to Windows' ReadyBoost? Basically I'm looking for something that allows disk reads to be cached on a Flash drive.
1
vote
2answers
1k views

Installing Ubuntu, how do I get it to recognize the Crucial RealSSD C300?

I'm building a new rig and got the RealSSD C300 for its supposedly stellar performance, but it is not recognized when I try to install Ubuntu 10.4LTS 64-bit. Is there anything that I can do to get ...
11
votes
2answers
1k views

Heavy write activity on SSD nukes system performance

I've noticed that when I do heavy write applications, the whole system slows down. To test this further I ran this to do a (relatively) low-CPU, high disk activity: john -incremental > file_on_SSD ...