On Sat, May 25, 2013 at 11:33 PM, Harald Glatt m...@hachre.de 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
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
On Sun, May 26, 2013 at 9:16 AM, Harald Glatt m...@hachre.de 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
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
On Sat, 25 May 2013, Leonidas Spyropoulos artafi...@gmail.com 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
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 cwi...@cwillu.com wrote:
No need to specify ssd, it's automatically detected.
I'm not so sure it did detected. When I manually
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 cwi...@cwillu.com wrote:
No need to specify ssd, it's
On Sat, May 25, 2013 at 1:13 PM, Martin Steigerwald mar...@lichtvoll.de 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
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:
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
- 261260
Am Samstag, 25. Mai 2013, 23:29:41 schrieb Leonidas Spyropoulos:
On Sat, May 25, 2013 at 1:13 PM, Martin Steigerwald mar...@lichtvoll.de
wrote:
Am Samstag, 25. Mai 2013, 03:58:12 schrieb Duncan:
[...]
And can be verified by:
martin@merkaba:~ grep ssd /proc/mounts
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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On 24 May 2013 21:07, cwillu cwi...@cwillu.com 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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Leonidas Spyropoulos posted on Fri, 24 May 2013 23:38:17 +0100 as
excerpted:
On 24 May 2013 21:07, cwillu cwi...@cwillu.com 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
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