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+--- Thread: SSD or flash to boot? (/showthread.php?tid=93914)
SSD or flash to boot? - monkeyvsmonkey - 2011-02-11
is it worth to buy a small SSD like 8/16 GB to run the OS on your NAS box or a flash drive will do the job?
I plan to run Ubuntu + RAID5 (mdadm) + torrent + couchpotato.
And about the drives to serve as storage, is it better 5400/32 cache for less noise and power consumption or go for the 7200/64 cache?
- thethirdnut - 2011-02-11
I wouldn't bother with an SSD for a server.
As far as the raid-5 drives go what I'm currently trying out is:
a) use Caviar Green drives for the raid-5
b) use 1 x 2 TB Caviar Black drive as the 'cache' for all the heavy lifting; networks xfers, transcoding, VirtualBox, etc.
The raid-5 works great, but the Green drives are definitely not as nimble as the Caviar Black or other 7200 rpm drives. This way you have the speed for working + move the 'finished product' onto the raid-5 once its ready to be served.
- jvdb - 2011-02-12
I used one of these for my freenas boot drive:
http://www.memorysuppliers.com/eusb-ssd-2gb-af2gssgh.html
Windows won't boot from these eUSB drives, but you shouldn't have any problems booting linux/*bsd.
They use SLC memory and have wear leveling that you won't get with a USB stick, and has the advantage of not taking up a SATA port (more available for drives)
- monkeyvsmonkey - 2011-02-14
jvdb Wrote:I used one of these for my freenas boot drive:
http://www.memorysuppliers.com/eusb-ssd-2gb-af2gssgh.html
Windows won't boot from these eUSB drives, but you shouldn't have any problems booting linux/*bsd.
They use SLC memory and have wear leveling that you won't get with a USB stick, and has the advantage of not taking up a SATA port (more available for drives)
Sounds very interesting, but do you think that just 2 GBs would be enough?
- monkeyvsmonkey - 2011-02-14
thethirdnut Wrote:I wouldn't bother with an SSD for a server.
As far as the raid-5 drives go what I'm currently trying out is:
a) use Caviar Green drives for the raid-5
b) use 1 x 2 TB Caviar Black drive as the 'cache' for all the heavy lifting; networks xfers, transcoding, VirtualBox, etc.
The raid-5 works great, but the Green drives are definitely not as nimble as the Caviar Black or other 7200 rpm drives. This way you have the speed for working + move the 'finished product' onto the raid-5 once its ready to be served.
By "cache" you mean use it to install the OS and the apps I plan to run and not be part of the RAID-5, right? Because I have 1x 400 GB disk that I won't be using for anything. Maybe I could use this as "cache", right? It has 32 MB of cache and 7200 RPM.