[kwlug-disc] Using mSata drives
kwlug.org at ciotog.net
Wed Jan 15 07:28:39 EST 2014
... There's still SSD caching, which is what dm-cache would provide. This
was the original intent of the drive, from what I can tell. It would likely
provide a nice speed boost without needing to have / on it.
If the memory stays at 8GB, then Jeff could even use it for both SSD
caching and swap/hibernate.
On 15 January 2014 00:04, unsolicited <unsolicited at swiz.ca> wrote:
> He didn't think it was in use.
> The list recommended no swap at all.
> And if used, not used for swap for premature wear of the SSD.
> Frequently, people want more than 16GB in their system. (Let alone single
> spindle backup/restore, pick up/put down.)
> I don't dispute what you say, but it seems we're already out of his
> comfort level even dealing with GPT.
> My desktop 120GB SSD (Kubuntu 12.04 LTS) looks to be using 27G, 28G free
> (I sliced it in half.) Certainly my jaw drops every so often as to how fast
> it is - not having believed stories of SSD speed until I experienced it. So
> with only 16GB in his system, some playing around would have to be done,
> with some bits here, some bits there. Seems beyond the comfort level.
> Me, I'd be tempted to run it as /, and mirror it to an equivalent spot on
> the spindle nightly. But it would take me a while to fiddle with it to my
> satisfaction. Such fiddling isn't for everyone.
> So, if not hibernation, not swap, not /, don't know what else to suggest.
> (Well, except for as I use the 2nd half of the SSD - when I have a larger,
> longer project, I'll dump the files there for the duration. But that too in
> the OPs environment could be considered a large waste.) At least as
> hibernation, if he hibernates, he's getting what speed he can.
> Certainly SSD as swap seems not recommended, due to premature wear.
> (Let alone get /tmp and /var/cache off of it, and so on.)
> On 14-01-14 07:23 PM, Bob Jonkman wrote:
>> Seems a bit of a waste of a high-performance disk to use it only to
>> save and restore for hibernation...
>> On 14-01-14 04:26 PM, unsolicited wrote:
>>> Use gdisk for info on the gpt disk.
>>> Good thought on reserving it for hibernation.
>>> On 14-01-14 04:02 PM, Chris Craig wrote:
>>>> You'd want to use the mSata drive for hibernation, I presume.
>>>> If you wanted to use it for its intended purpose, maybe look at
>>>> dm-cache. Here's a document about setting it up:
>>> . .
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