[CentOS] Install to internal USB?

Fri Nov 8 22:12:56 UTC 2013
Lists <lists at benjamindsmith.com>

On 11/08/2013 02:06 PM, John R Pierce wrote:
> On 11/8/2013 12:57 PM, Lists wrote:
>> Saw a trick today, wondering if anybody else had done/tried this? Assume
>> you have a 1U rackmount with 4 front-accessed drive bays, and you want
>> all four bays for a 4-disk RAID5 storage.
>> The idea is to use an internal USB adapter and a couple of bigger USB
>> thumb drives to install to, RAID 1 style, freeing up all your external
>> drive bays. At first, I didn't think that a thumb drive would hold
>> enough for the O/S, but in actual production use for a file server with
>> 14 TB of redundant storage, the OS actually uses less than 6 GB!
> USB thumb drives are really not that suitable for anything doing random
> writes, lots of small files, etc.
Agreed! In the case of a file store, there isn't a whole lot going on 
with the O/S drive, just the drives that the O/S is hosting. The 
original post recommended that /var/log be run off the big partition 
being hosted (on spinning disks) to minimize writes to the flash drives.