[kwlug-disc] Using mSata drives
crankyoldbugger at gmail.com
Wed Jan 15 08:48:46 EST 2014
Good lively discussion we have going on here. Lots of good ideas put
forth. Thanks to everyone who kicked in.
I find myself wondering about hibernation, as in the past I've had problems
with this particular laptop not hibernating correctly. If you close the
lid, you will be forced to kill then cold boot the sucker. So I might do
more investigating to see if I can use the mSata for hibernating.
And yes, as it shipped, the mSata was meant as a cache for the Windows 8
install. I made the system even faster by erasing W8 and installing
Ubuntu... Other than the lid closing issue, this laptop seems like it was
made for Ubuntu. The OS just dropped in nicely without any issues.
It just seems a shame to not use the mSata, even if it is only 16gig.
On 15 January 2014 07:28, Chris Craig <kwlug.org at ciotog.net> wrote:
> ... 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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