So I have boot on the SSD and swap on the HDD then the rest of the SSD is
lcmcache pool. And the spinner is my main drive as a single partition. So
far this has worked nicely but there are time when you do some big writes
you feel the fact there is a spinner under the hood. I could likely resolve
this by playing with write cache settings. But the way I am using this its
not usually an issue.
Definitely see a big change on commonly used files vs infrequently used
files.
On Dec 3, 2016 1:13 PM, "Michael Butash" <
mike@butash.net> wrote:
> Are you using it as a single partition install, and/or any raid with
> btrfs?
>
> My idea is to replace mdadm, the fact I have to make /boot first, and all
> the other complexities of the layers that come with. I'm not fond of the
> notion of file-based encryption with encfs, I prefer the whole disk as with
> SSD, I see no performance degradation as with a spinner+encryption.
>
> Much like yourself, I was intending to play with lvmcache with this build
> around my bigger spinners (damn game installs are huge these days to keep
> on ssd), but otherwise really would love to just do away with all of that
> and use zfs/btrfs in one suite for the disk management for all that can do
> the caching internally too.
>
> ZFS is attractive for zpool functionality, but much of it is in theory
> same as what btrfs offers so I don't have much of a pref. I'll be using
> these on some nvme drives, so I doubt I'd need another fast(er) disk to
> cache zilog too, but would be nice for some 2tb disks I'm putting in for
> games and such would be nice.
>
> -mb
>
> On 12/03/2016 12:33 PM, Stephen Partington wrote:
>
> So far btrfs has been treating my server very nicely
>
> On Dec 3, 2016 12:22 PM, "Michael Butash" <mike@butash.net> wrote:
>
>> Anyone using "alternative" file system methods like btrfs or zfs to boot
>> with? Nothing seems too native, but can be made to work it seems, just
>> wondering if this is one of those "should do" vs. "can do".
>>
>> The notion of something that can do raid, encryption, volume management,
>> and snapshot features is attractive, but I've always layered mdraid, luks
>> encryption, lvm, then ext atop that. This has been pretty solid when the
>> ssd's don't die 3-6 months later, even with aligning partition to block
>> boundaries and such, trim, etc. I'd love to have one single encrypted
>> partitions I can use volumes within for the os mounts, btrfs and zfs in
>> theory do most of this now.
>>
>> How well is really the question...
>>
>> Commentary appreciated!
>>
>> -mb
>>
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