On Sun, May 26, 2013 at 9:16 AM, Harald Glatt wrote:
> I don't know a better way to check than doing df -h before and
> after... If you use space_cache you have to clear_cache though to make
> the numbers be current for sure each time before looking at df.
Not sure what you're thinking of; space_
I don't know a better way to check than doing df -h before and
after... If you use space_cache you have to clear_cache though to make
the numbers be current for sure each time before looking at df.
Old kernel can be a problem. You can use the Arch CDs to do it, they
usually come with the newest ke
On Sat, May 25, 2013 at 11:33 PM, Harald Glatt wrote:
> Data that already exists will only be compressed on re-write. You can
> do it with btrfs fi defrag and a script that traverses the fs to call
> defrag on every file. Another good way is the find command that has
> been outlined here:
>
> http
Am Samstag, 25. Mai 2013, 23:29:41 schrieb Leonidas Spyropoulos:
> On Sat, May 25, 2013 at 1:13 PM, Martin Steigerwald
> wrote:
> > Am Samstag, 25. Mai 2013, 03:58:12 schrieb Duncan:
> > [...]
> > And can be verified by:
> >
> > martin@merkaba:~> grep ssd /proc/mounts
> > /dev/mapper/merkaba-debi
Am Samstag, 25. Mai 2013, 14:13:07 schrieb Martin Steigerwald:
> The SSD is in use for about 2 years. I left about 25 GiB free of the 300 GB
> it
> has.
>
> merkaba:~> smartctl -a /dev/sda | grep Host
> 225 Host_Writes_32MiB 0x0032 100 100 000Old_age Always
>
> -
Data that already exists will only be compressed on re-write. You can
do it with btrfs fi defrag and a script that traverses the fs to call
defrag on every file. Another good way is the find command that has
been outlined here:
https://btrfs.wiki.kernel.org/index.php/Problem_FAQ#Defragmenting_a_di
On Sat, May 25, 2013 at 1:13 PM, Martin Steigerwald wrote:
> Am Samstag, 25. Mai 2013, 03:58:12 schrieb Duncan:
> [...]
> And can be verified by:
>
> martin@merkaba:~> grep ssd /proc/mounts
> /dev/mapper/merkaba-debian / btrfs rw,noatime,compress=lzo,ssd,space_cache 0 0
> /dev/mapper/merkaba-debia
Martin Steigerwald posted on Sat, 25 May 2013 14:13:07 +0200 as excerpted:
> Am Samstag, 25. Mai 2013, 03:58:12 schrieb Duncan:
>> Leonidas Spyropoulos posted on Fri, 24 May 2013 23:38:17 +0100 as
>>
>> excerpted:
>> > On 24 May 2013 21:07, "cwillu" wrote:
>> >> No need to specify ssd, it's auto
Am Samstag, 25. Mai 2013, 03:58:12 schrieb Duncan:
> Leonidas Spyropoulos posted on Fri, 24 May 2013 23:38:17 +0100 as
>
> excerpted:
> > On 24 May 2013 21:07, "cwillu" wrote:
> >> No need to specify ssd, it's automatically detected.
> >
> > I'm not so sure it did detected. When I manually set i
On Sat, 25 May 2013, Leonidas Spyropoulos wrote:
> I decided not to add the discard option and run the daily script from
> cron (fstrim) as I think there's a performance hit with the discard.
> It mainly depends on your hardware I think.
I experienced a massive performance hit from discard and tu
On Sat, May 25, 2013 at 4:58 AM, Duncan <1i5t5.dun...@cox.net> wrote:
>
> Without going back to check the wiki, IIRC it was there that the /sys
> paths it checks for that detection are listed. Those paths are then
> based on what the drive itself claims. If it claims to be rotating
> storage...
I
Leonidas Spyropoulos posted on Fri, 24 May 2013 23:38:17 +0100 as
excerpted:
> On 24 May 2013 21:07, "cwillu" wrote:
>>
>> No need to specify ssd, it's automatically detected.
> I'm not so sure it did detected. When I manually set it I saw
> significant improvement.
Without going back to check t
On 24 May 2013 21:07, "cwillu" wrote:
>
> No need to specify ssd, it's automatically detected.
I'm not so sure it did detected. When I manually set it I saw
significant improvement.
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> At the moment I am using:
> defaults,noatime,nodiratime,ssd,subvol=@home
No need to specify ssd, it's automatically detected.
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Hello list,
I just got myself a new SSD and decided to install yet another time
btrfs with ubuntu 13.04. I would like to ask if you suggest anything
for recommended options for mount on Crucial S4 SSD.
At the moment I am using:
defaults,noatime,nodiratime,ssd,subvol=@home
Anything else someone r
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