[gentoo-user] SSD configuration

[gentoo-user] SSD configuration

[Jacques Montier]

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Hi all,

I bought a 250Go SSD M4 Crucial , read (of course) Gentoo documentation and
installed the drive on my desktop pc (Asus MB, Intel ie7 and 6Go RAM).

1- Everything seems to work perfectly, but i would like to know if my
configuration is ok or could be optimized.

/tmp and /var/log are on tmpfs
/boot, / and /var are on SSD (sda),
swap, /home, /usr/portage, /var/tmp and /var/log on a 1To SATA HDD (sdb)
You can see my attached file fstab.txt

2- When booting, BIOS seems to detect the SSD as IDE not SATA ; anything
wrong ?

Thank you very much for your response,

Cheers,

--
Jacques

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# /etc/fstab: static file system information.
#
# noatime turns off atimes for increased performance (atimes normally aren't 
# needed; notail increases performance of ReiserFS (at the expense of storage 
# efficiency).  It's safe to drop the noatime options if you want and to 
# switch between notail / tail freely.
#
# The root filesystem should have a pass number of either 0 or 1.
# All other filesystems should have a pass number of 0 or greater than 1.
#
# See the manpage fstab(5) for more information.
#

# <fs>			<mountpoint>	<type>		<opts>		<dump/pass>

# NOTE: If your BOOT partition is ReiserFS, add the notail option to opts.
/dev/sda1		/boot		ext2		defaults,noatime,discard		1 2
/dev/sda2		/		ext4		defaults,noatime,nodiratime,discard	0 1
/dev/sda3		/var		ext4		defaults,noatime,nodiratime,discard	0 0
/dev/sdb1               /mnt/donnees    ntfs-3g         auto,uid=jacques,gid=users,umask=0022   0 0
/dev/sdb2		none		swap		sw					0 0
/dev/sdb5		/usr/portage	ext4		defaults,noatime,nodiratime		0 0
/dev/sdb6               /var/tmp	ext4            defaults,noatime,nodiratime             0 0
/dev/sdb7               /home           ext4	        defaults,noatime,nodiratime 		0 0
/dev/sdb8               /mnt/disk_virt  ext4	        defaults,noatime,nodiratime		0 0

//192.168.0.12/NetHDD		/mnt/Iomega	cifs	noauto,guest,soft,users,iocharset=utf8,rw 0 0
//192.168.0.11/keynux		/mnt/Keynux	cifs	noauto,guest,soft,users,iocharset=utf8,rw 0 0

# glibc 2.2 and above expects tmpfs to be mounted at /dev/shm for 
# POSIX shared memory (shm_open, shm_unlink).
# (tmpfs is a dynamically expandable/shrinkable ramdisk, and will
#  use almost no memory if not populated with files)
#shm			/dev/shm	tmpfs		nodev,nosuid,noexec	0 0

tmpfs 	/tmp		tmpfs	defaults,noatime,mode=1777	0 0
tmpfs	/var/log	tmpfs	defaults,noatime,mode=1777	0 0

Re: [gentoo-user] SSD configuration

[Luis Gustavo Vilela de Oliveira]

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You should look at the BIOS config, if AHCI is enable.


2012/11/25 Jacques Montier <jmontier@gmail.com>

> Hi all,
>
> I bought a 250Go SSD M4 Crucial , read (of course) Gentoo documentation
> and installed the drive on my desktop pc (Asus MB, Intel ie7 and 6Go RAM).
>
> 1- Everything seems to work perfectly, but i would like to know if my
> configuration is ok or could be optimized.
>
> /tmp and /var/log are on tmpfs
> /boot, / and /var are on SSD (sda),
> swap, /home, /usr/portage, /var/tmp and /var/log on a 1To SATA HDD (sdb)
> You can see my attached file fstab.txt
>
> 2- When booting, BIOS seems to detect the SSD as IDE not SATA ; anything
> wrong ?
>
> Thank you very much for your response,
>
> Cheers,
>
> --
> Jacques
>
>
>
>
>
>

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Re: [gentoo-user] SSD configuration

[Florian Philipp]

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Am 25.11.2012 16:36, schrieb Jacques Montier:
> Hi all,
> 
> I bought a 250Go SSD M4 Crucial , read (of course) Gentoo documentation
> and installed the drive on my desktop pc (Asus MB, Intel ie7 and 6Go RAM).
> 
> 1- Everything seems to work perfectly, but i would like to know if my
> configuration is ok or could be optimized.
> 
> /dev/sda1		/boot		ext2		defaults,noatime,discard		1 2

You don't need to specify "defaults" when there is any other option
present. Defaults is just there so that the column is not empty if you
do not specify any option.

> /dev/sda2		/		ext4		defaults,noatime,nodiratime,discard	0 1

noatime implies nodiratime. Specifying both is redundant.

> /dev/sda3		/var		ext4		defaults,noatime,nodiratime,discard	0 0
> /dev/sdb1               /mnt/donnees    ntfs-3g         auto,uid=jacques,gid=users,umask=0022   0 0
> /dev/sdb2		none		swap		sw					0 0

Swap on SSD would be faster but I guess you want to avoid the additional
writes.

> /dev/sdb5		/usr/portage	ext4		defaults,noatime,nodiratime		0 0
> /dev/sdb6               /var/tmp	ext4            defaults,noatime,nodiratime             0 0
> /dev/sdb7               /home           ext4	        defaults,noatime,nodiratime 		0 0

For home, auto_da_alloc trades a little performance for additional
security against stupid applications that forget to fsync().

> /dev/sdb8               /mnt/disk_virt  ext4	        defaults,noatime,nodiratime		0 0


Regards,
Florian Philipp


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Re: [gentoo-user] SSD configuration

[Volker Armin Hemmann]

Am Sonntag, 25. November 2012, 16:36:06 schrieb Jacques Montier:
> Hi all,
> 
> I bought a 250Go SSD M4 Crucial , read (of course) Gentoo documentation and
> installed the drive on my desktop pc (Asus MB, Intel ie7 and 6Go RAM).
> 
> 1- Everything seems to work perfectly, but i would like to know if my
> configuration is ok or could be optimized.
> 
> /tmp and /var/log are on tmpfs

not good. /tmp good, /var/log really not good. Do I have to explain it or do 
you can think of some reasons for  yourself? Really, /var/log is a lot more 
important than /var/tmp.

You could put /var/tmp/portage onto tmpfs

> /boot, / and /var are on SSD (sda),
> swap, /home, /usr/portage, /var/tmp and /var/log on a 1To SATA HDD (sdb)

ok, I would put /var on the hdd and /home on the ssd with all bigger data on 
the hdd (like pics, ogg, movies)

> 2- When booting, BIOS seems to detect the SSD as IDE not SATA ; anything
> wrong ?
> 

yes

-- 
#163933

Re: [gentoo-user] SSD configuration

[Jacques Montier]

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Thank you Luis,

In BIOS, i switched to AHCI instead of IDE Mode, but the system does not
boot.
I get kernel panic (No filesystem could mount root...)

My kernel configuration :
CONFIG_SATA_AHCI=y

--
Jacques


2012/11/25 Luis Gustavo Vilela de Oliveira <luisgustavo.vilela@gmail.com>

> You should look at the BIOS config, if AHCI is enable.
>
>
> 2012/11/25 Jacques Montier <jmontier@gmail.com>
>
>> Hi all,
>>
>> I bought a 250Go SSD M4 Crucial , read (of course) Gentoo documentation
>> and installed the drive on my desktop pc (Asus MB, Intel ie7 and 6Go RAM).
>>
>> 1- Everything seems to work perfectly, but i would like to know if my
>> configuration is ok or could be optimized.
>>
>> /tmp and /var/log are on tmpfs
>> /boot, / and /var are on SSD (sda),
>> swap, /home, /usr/portage, /var/tmp and /var/log on a 1To SATA HDD (sdb)
>> You can see my attached file fstab.txt
>>
>> 2- When booting, BIOS seems to detect the SSD as IDE not SATA ; anything
>> wrong ?
>>
>> Thank you very much for your response,
>>
>> Cheers,
>>
>> --
>> Jacques
>>
>>
>>
>>
>>
>>
>

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Re: [gentoo-user] SSD configuration

[Jacques Montier]

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So i just kept noatime and discard options (for SSD).

Thank you Florian,


--
Jacques


2012/11/25 Florian Philipp <lists@binarywings.net>

> Am 25.11.2012 16:36, schrieb Jacques Montier:
> > Hi all,
> >
> > I bought a 250Go SSD M4 Crucial , read (of course) Gentoo documentation
> > and installed the drive on my desktop pc (Asus MB, Intel ie7 and 6Go
> RAM).
> >
> > 1- Everything seems to work perfectly, but i would like to know if my
> > configuration is ok or could be optimized.
> >
> > /dev/sda1             /boot           ext2
>  defaults,noatime,discard                1 2
>
> You don't need to specify "defaults" when there is any other option
> present. Defaults is just there so that the column is not empty if you
> do not specify any option.
>
> > /dev/sda2             /               ext4
>  defaults,noatime,nodiratime,discard     0 1
>
> noatime implies nodiratime. Specifying both is redundant.
>
> > /dev/sda3             /var            ext4
>  defaults,noatime,nodiratime,discard     0 0
> > /dev/sdb1               /mnt/donnees    ntfs-3g
> auto,uid=jacques,gid=users,umask=0022   0 0
> > /dev/sdb2             none            swap            sw
>                      0 0
>
> Swap on SSD would be faster but I guess you want to avoid the additional
> writes.
>
> > /dev/sdb5             /usr/portage    ext4
>  defaults,noatime,nodiratime             0 0
> > /dev/sdb6               /var/tmp      ext4
>  defaults,noatime,nodiratime             0 0
> > /dev/sdb7               /home           ext4
>  defaults,noatime,nodiratime             0 0
>
> For home, auto_da_alloc trades a little performance for additional
> security against stupid applications that forget to fsync().
>
> > /dev/sdb8               /mnt/disk_virt  ext4
>  defaults,noatime,nodiratime             0 0
>
>
> Regards,
> Florian Philipp
>
>

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Re: [gentoo-user] SSD configuration

[Florian Philipp]

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Am 25.11.2012 17:34, schrieb Jacques Montier:
> 2012/11/25 Luis Gustavo Vilela de Oliveira <luisgustavo.vilela@gmail.com
> <mailto:luisgustavo.vilela@gmail.com>>
>     2012/11/25 Jacques Montier <jmontier@gmail.com
>     <mailto:jmontier@gmail.com>>
[...]
>         2- When booting, BIOS seems to detect the SSD as IDE not SATA ;
>         anything wrong ?
> 
> 
>     You should look at the BIOS config, if AHCI is enable.
> 
> 
> Thank you Luis,
> 
> In BIOS, i switched to AHCI instead of IDE Mode, but the system does not
> boot.
> I get kernel panic (No filesystem could mount root...)
> 
> My kernel configuration :
> CONFIG_SATA_AHCI=y
> 

It is possible that the change switched the device naming, making sda
sdb and vice versa. Try to boot from a live-CD to verify that. You can
also do this to check if you missed a module.

BTW: Please don't top-post, both Luis and Jaques. Put your answers below
the quoted messages (like I did).

Regards,
Florian Philipp


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Re: [gentoo-user] SSD configuration

[Alex Schuster]

Jacques Montier writes:

> I bought a 250Go SSD M4 Crucial , read (of course) Gentoo documentation
> and installed the drive on my desktop pc (Asus MB, Intel ie7 and 6Go RAM).
>
> 1- Everything seems to work perfectly, but i would like to know if my
> configuration is ok or could be optimized.
>
> /tmp and /var/log are on tmpfs

Like Volker said. Yikes! Or is that just a typo and you meant /var/tmp? 
Still, I would prefer to have that on the HDD.

> /boot, / and /var are on SSD (sda),
> swap, /home, /usr/portage, /var/tmp and /var/log on a 1To SATA HDD (sdb)

I would put the portage tree on the SDD.

	Wonko

Re: [gentoo-user] SSD configuration

[Jacques Montier]

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2012/11/25 Florian Philipp <lists@binarywings.net>

> Am 25.11.2012 17:34, schrieb Jacques Montier:
> > 2012/11/25 Luis Gustavo Vilela de Oliveira <luisgustavo.vilela@gmail.com
> > <mailto:luisgustavo.vilela@gmail.com>>
> >     2012/11/25 Jacques Montier <jmontier@gmail.com
> >     <mailto:jmontier@gmail.com>>
> [...]
> >         2- When booting, BIOS seems to detect the SSD as IDE not SATA ;
> >         anything wrong ?
> >
> >
> >     You should look at the BIOS config, if AHCI is enable.
> >
> >
> > Thank you Luis,
> >
> > In BIOS, i switched to AHCI instead of IDE Mode, but the system does not
> > boot.
> > I get kernel panic (No filesystem could mount root...)
> >
> > My kernel configuration :
> > CONFIG_SATA_AHCI=y
> >
>
> It is possible that the change switched the device naming, making sda
> sdb and vice versa. Try to boot from a live-CD to verify that. You can
> also do this to check if you missed a module.
>
> BTW: Please don't top-post, both Luis and Jaques. Put your answers below
> the quoted messages (like I did).
>
> Regards,
> Florian Philipp
>
>

Sorry Florian for the top-post.

Well, you were right !
The live-cd SysRescueCd showed all the devices switched ; sdb instead of
sda.
Renaming all the devices and system was booting again.
Nevetheless, i felt that with AHCI BIOS Mode, the SSD was slightly less
reactive than the IDE Mode.
Do you think that could be possible ?
May be, i am completely wrong...

Best regards,

--
Jacques

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Re: [gentoo-user] SSD configuration

[Jacques Montier]

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2012/11/25 Alex Schuster <wonko@wonkology.org>

> Jacques Montier writes:
>
>  I bought a 250Go SSD M4 Crucial , read (of course) Gentoo documentation
>> and installed the drive on my desktop pc (Asus MB, Intel ie7 and 6Go RAM).
>>
>> 1- Everything seems to work perfectly, but i would like to know if my
>> configuration is ok or could be optimized.
>>
>> /tmp and /var/log are on tmpfs
>>
>
> Like Volker said. Yikes! Or is that just a typo and you meant /var/tmp?
> Still, I would prefer to have that on the HDD.
>
>
>  /boot, / and /var are on SSD (sda),
>> swap, /home, /usr/portage, /var/tmp and /var/log on a 1To SATA HDD (sdb)
>>
>
> I would put the portage tree on the SDD.
>
>         Wonko
>
>

Alex,

Each time you sync the portage, you should write on the SSD...
Is it a good thing ?
As Volker said, i put  /var on the HDD, and it works fine.

Regards,

--
Jacques

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Re: [gentoo-user] SSD configuration

[microcai]

2012/11/26 Jacques Montier <jmontier@gmail.com>:
>
>
> 2012/11/25 Alex Schuster <wonko@wonkology.org>
>>
>> Jacques Montier writes:
>>
>>> I bought a 250Go SSD M4 Crucial , read (of course) Gentoo documentation
>>> and installed the drive on my desktop pc (Asus MB, Intel ie7 and 6Go
>>> RAM).
>>>
>>> 1- Everything seems to work perfectly, but i would like to know if my
>>> configuration is ok or could be optimized.
>>>
>>> /tmp and /var/log are on tmpfs
>>
>>
>> Like Volker said. Yikes! Or is that just a typo and you meant /var/tmp?
>> Still, I would prefer to have that on the HDD.
>>
>>
>>> /boot, / and /var are on SSD (sda),
>>> swap, /home, /usr/portage, /var/tmp and /var/log on a 1To SATA HDD (sdb)
>>
>>
>> I would put the portage tree on the SDD.
>>
>>         Wonko
>>
>
>
> Alex,
>
> Each time you sync the portage, you should write on the SSD...
> Is it a good thing ?

yes, then you can ask a new one within the garentee time.

> As Volker said, i put  /var on the HDD, and it works fine.
>
> Regards,
>
> --
> Jacques
>
>
>

Re: [gentoo-user] SSD configuration

[Daniel Troeder]

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On 25.11.2012 22:43, Jacques Montier wrote:
> Each time you sync the portage, you should write on the SSD...
> Is it a good thing ?
It is the best thing since rsync! Really - it is amazing!

And about portage: you write in your portage tree not nearly as often as
in /home. SSDs don't die as quickly as you think. The most important
thing about wear leveling is to keep 10% free disk space in all
partitions and enable discard. You'll be fine then.


-- 
PGP key @
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x837FB8B5BB9D4887
# gpg --recv-keys --keyserver hkp://subkeys.pgp.net 0xBB9D4887


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Re: [gentoo-user] SSD configuration

[Jacques Montier]

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2012/11/26 Daniel Troeder <daniel@admin-box.com>

> On 25.11.2012 22:43, Jacques Montier wrote:
> > Each time you sync the portage, you should write on the SSD...
> > Is it a good thing ?
> It is the best thing since rsync! Really - it is amazing!
>
> And about portage: you write in your portage tree not nearly as often as
> in /home. SSDs don't die as quickly as you think. The most important
> thing about wear leveling is to keep 10% free disk space in all
> partitions and enable discard. You'll be fine then.
>
>
> --
> PGP key @
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x837FB8B5BB9D4887
> # gpg --recv-keys --keyserver hkp://subkeys.pgp.net 0xBB9D4887
>
> Hi all,

Finally, i put :

/boot  ,  / and /home on SSD,
/var and /usr/portage on HDD
Big files on HDD and some symlinks pointing to HDD (.config, .local, etc...)
/tmp and /home/<user>/.cache to tmpfs.

Everything works perfectly and now it's fast and silent ;  a real pleasure !

Next time i'll have to go to 8Go RAM.

thanks to all of you !

Regards,

--
Jacques

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Re: [gentoo-user] SSD configuration

[Volker Armin Hemmann]

Am Montag, 26. November 2012, 08:45:44 schrieb Daniel Troeder:
> On 25.11.2012 22:43, Jacques Montier wrote:
> > Each time you sync the portage, you should write on the SSD...
> > Is it a good thing ?
> 
> It is the best thing since rsync! Really - it is amazing!
> 
> And about portage: you write in your portage tree not nearly as often as
> in /home. SSDs don't die as quickly as you think. The most important
> thing about wear leveling is to keep 10% free disk space in all
> partitions and enable discard. You'll be fine then.

you know that flash's survival rate went down with every shrink? That today's 
flash is just crap?

And before you make any assumptions on warranties - read the documentation of 
the vendor. Would be bad if there was some usage clause hidden in the mess....

2 year warranty only covers production defects. Not failure because of abuse.

-- 
#163933

Re: [gentoo-user] SSD configuration

[Luis Gustavo Vilela de Oliveira]

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Well, with 8Gb RAM, i recommend use tmpfs on PORTAGE_TMPDIR, just while u
are compiling anything.
Or even with 6Gb too.

I don't worry to much about use the SSD, the only thing that i do is use
distfiles, music/video/photos on HDD to safe space.
And the TMPDIR thing when i'm compiling a lot of things.



2012/11/26 Jacques Montier <jmontier@gmail.com>

>
>
> 2012/11/26 Daniel Troeder <daniel@admin-box.com>
>
>> On 25.11.2012 22:43, Jacques Montier wrote:
>> > Each time you sync the portage, you should write on the SSD...
>> > Is it a good thing ?
>> It is the best thing since rsync! Really - it is amazing!
>>
>> And about portage: you write in your portage tree not nearly as often as
>> in /home. SSDs don't die as quickly as you think. The most important
>> thing about wear leveling is to keep 10% free disk space in all
>> partitions and enable discard. You'll be fine then.
>>
>>
>> --
>> PGP key @
>> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x837FB8B5BB9D4887
>> # gpg --recv-keys --keyserver hkp://subkeys.pgp.net 0xBB9D4887
>>
>> Hi all,
>
> Finally, i put :
>
> /boot  ,  / and /home on SSD,
> /var and /usr/portage on HDD
> Big files on HDD and some symlinks pointing to HDD (.config, .local,
> etc...)
> /tmp and /home/<user>/.cache to tmpfs.
>
> Everything works perfectly and now it's fast and silent ;  a real pleasure
> !
>
> Next time i'll have to go to 8Go RAM.
>
> thanks to all of you !
>
> Regards,
>
> --
> Jacques
>
>
>

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Re: [gentoo-user] SSD configuration

[Alex Schuster]

Luis Gustavo Vilela de Oliveira writes:

> Well, with 8Gb RAM, i recommend use tmpfs on PORTAGE_TMPDIR, just while
> u are compiling anything.
> Or even with 6Gb too.

I have 16 GB, with 8GB for $PORTAGE_TMPDIR on tmpfs. There were issues 
with some packages having not enough space, so I have this in 
/etc/portage/package.env:

app-office/libreoffice          notmpfs.conf
dev-java/icedtea                notmpfs.conf
games-fps/alienarena            notmpfs.conf
games-fps/worldofpadman         notmpfs.conf
games-sports/vdrift             notmpfs.conf
mail-client/thunderbird         notmpfs.conf
www-client/firefox              notmpfs.conf

/etc/portage/env.d/notmpfs.conf has this entry, changing PORTAGE_TMPDIR 
to real HDD space:

PORTAGE_TMPDIR=/var/portage/tmp

Most of these packages compile with 8 GB of space, but not with parallel 
merges, like when Thunderbird and Firefox are both being built at the 
same time.

	Alex

Re: [gentoo-user] SSD configuration

[Daniel Troeder]

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On 26.11.2012 15:01, Volker Armin Hemmann wrote:
> 2 year warranty only covers production defects. Not failure because
> of abuse.
I cannot imagine it to say "do not let your OS swap on this flash disk".
Most people have no clue what swap is, and all those netbooks nowadays
have only a cheap SSD at all... but to be ure, I'll look into the
warrenty later.

Greetings,
Daniel

-- 
PGP key @
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x837FB8B5BB9D4887
# gpg --recv-keys --keyserver hkp://subkeys.pgp.net 0xBB9D4887


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Re: [gentoo-user] SSD configuration

[Daniel Troeder]

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On 26.11.2012 15:35, Alex Schuster wrote:
> Luis Gustavo Vilela de Oliveira writes:
> 
>> Well, with 8Gb RAM, i recommend use tmpfs on PORTAGE_TMPDIR, just while
>> u are compiling anything.
>> Or even with 6Gb too.
> 
> I have 16 GB, with 8GB for $PORTAGE_TMPDIR on tmpfs. There were issues
> with some packages having not enough space, so I have this in
> /etc/portage/package.env:
> 
> app-office/libreoffice          notmpfs.conf
> dev-java/icedtea                notmpfs.conf
> games-fps/alienarena            notmpfs.conf
> games-fps/worldofpadman         notmpfs.conf
> games-sports/vdrift             notmpfs.conf
> mail-client/thunderbird         notmpfs.conf
> www-client/firefox              notmpfs.conf
> 
> /etc/portage/env.d/notmpfs.conf has this entry, changing PORTAGE_TMPDIR
> to real HDD space:
> 
> PORTAGE_TMPDIR=/var/portage/tmp
> 
> Most of these packages compile with 8 GB of space, but not with parallel
> merges, like when Thunderbird and Firefox are both being built at the
> same time.
> 
>     Alex

THANK YOU!!

You solved a problem I have been having for some time.

This should go to the "easy Gentoo tricks" thread :)

Very happy,
Daniel


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http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x837FB8B5BB9D4887
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Re: [gentoo-user] SSD configuration

[Luis Gustavo Vilela de Oliveira]

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Nice way to handle that. I only had problems with libreoffice.
But i mount the tmpdir ondemand, and when libreoffice needs update i use
the SSD instead.

I have 16GB too, and in general use 4GB for tmpfs on TMPDIR, i think only
some packages need more then that.


2012/11/26 Alex Schuster <wonko@wonkology.org>

> Luis Gustavo Vilela de Oliveira writes:
>
>  Well, with 8Gb RAM, i recommend use tmpfs on PORTAGE_TMPDIR, just while
>> u are compiling anything.
>> Or even with 6Gb too.
>>
>
> I have 16 GB, with 8GB for $PORTAGE_TMPDIR on tmpfs. There were issues
> with some packages having not enough space, so I have this in
> /etc/portage/package.env:
>
> app-office/libreoffice          notmpfs.conf
> dev-java/icedtea                notmpfs.conf
> games-fps/alienarena            notmpfs.conf
> games-fps/worldofpadman         notmpfs.conf
> games-sports/vdrift             notmpfs.conf
> mail-client/thunderbird         notmpfs.conf
> www-client/firefox              notmpfs.conf
>
> /etc/portage/env.d/notmpfs.**conf has this entry, changing PORTAGE_TMPDIR
> to real HDD space:
>
> PORTAGE_TMPDIR=/var/portage/**tmp
>
> Most of these packages compile with 8 GB of space, but not with parallel
> merges, like when Thunderbird and Firefox are both being built at the same
> time.
>
>         Alex
>
>

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Re: [gentoo-user] SSD configuration

[Jacques Montier]

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2012/11/26 Alex Schuster <wonko@wonkology.org>

> Luis Gustavo Vilela de Oliveira writes:
>
>  Well, with 8Gb RAM, i recommend use tmpfs on PORTAGE_TMPDIR, just while
>> u are compiling anything.
>> Or even with 6Gb too.
>>
>
> I have 16 GB, with 8GB for $PORTAGE_TMPDIR on tmpfs. There were issues
> with some packages having not enough space, so I have this in
> /etc/portage/package.env:
>
> app-office/libreoffice          notmpfs.conf
> dev-java/icedtea                notmpfs.conf
> games-fps/alienarena            notmpfs.conf
> games-fps/worldofpadman         notmpfs.conf
> games-sports/vdrift             notmpfs.conf
> mail-client/thunderbird         notmpfs.conf
> www-client/firefox              notmpfs.conf
>
> /etc/portage/env.d/notmpfs.**conf has this entry, changing PORTAGE_TMPDIR
> to real HDD space:
>
> PORTAGE_TMPDIR=/var/portage/**tmp
>
> Most of these packages compile with 8 GB of space, but not with parallel
> merges, like when Thunderbird and Firefox are both being built at the same
> time.
>
>         Alex
>
>

Ok Alex and Luis,

So i put :
PORTAGE_TMPDIR="tmpfs" in /etc/make.conf
PORTAGE_TMPDIR=/var/tmp/portage (on HDD) in /etc/portage/env
in /etc/portage/package.env :
app-office/libreoffice notmpfs.conf
mail-client/thunderbird notmpfs.conf
www-client/firefox notmpfs.conf

Thanks to both of you :-)

Regards

--
Jacques

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Re: [gentoo-user] SSD configuration

[Dale]

Alex Schuster wrote:
> Luis Gustavo Vilela de Oliveira writes:
>
>> Well, with 8Gb RAM, i recommend use tmpfs on PORTAGE_TMPDIR, just while
>> u are compiling anything.
>> Or even with 6Gb too.
>
> I have 16 GB, with 8GB for $PORTAGE_TMPDIR on tmpfs. There were issues
> with some packages having not enough space, so I have this in
> /etc/portage/package.env:
>
> app-office/libreoffice          notmpfs.conf
> dev-java/icedtea                notmpfs.conf
> games-fps/alienarena            notmpfs.conf
> games-fps/worldofpadman         notmpfs.conf
> games-sports/vdrift             notmpfs.conf
> mail-client/thunderbird         notmpfs.conf
> www-client/firefox              notmpfs.conf
>
> /etc/portage/env.d/notmpfs.conf has this entry, changing
> PORTAGE_TMPDIR to real HDD space:
>
> PORTAGE_TMPDIR=/var/portage/tmp
>
> Most of these packages compile with 8 GB of space, but not with
> parallel merges, like when Thunderbird and Firefox are both being
> built at the same time.
>
>     Alex
>
>

I used to have trouble with LOo but a few versions ago, that stopped. 
It now compiles with 8Gbs of tmpfs.  You may want to try removing it and
see if you get the same results. I have also never had trouble with
Firefox or icedtea but don't think I have the others installed. 

Just a thought. 

Dale

:-)  :-) 

-- 
I am only responsible for what I said ... Not for what you understood or how you interpreted my words!

Re: [gentoo-user] SSD configuration

[Luis Gustavo Vilela de Oliveira]

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I think u misunderstand, i belive that what Schuster have is tmpfs always
mounted on /var/tmp/portage, and PORTAGE_TMPDIR will be that.
When he need more than 8Gb in some package PORTAGE_TMPDIR will be
/var/portage/tmp and that on HDD.

What i have is /var/tmp/portage on tmpfs config in fstab with noauto, so
when i want to emerge a lot of things i mount that.


2012/11/26 Jacques Montier <jmontier@gmail.com>

> 2012/11/26 Alex Schuster <wonko@wonkology.org>
>
>> Luis Gustavo Vilela de Oliveira writes:
>>
>>  Well, with 8Gb RAM, i recommend use tmpfs on PORTAGE_TMPDIR, just while
>>> u are compiling anything.
>>> Or even with 6Gb too.
>>>
>>
>> I have 16 GB, with 8GB for $PORTAGE_TMPDIR on tmpfs. There were issues
>> with some packages having not enough space, so I have this in
>> /etc/portage/package.env:
>>
>> app-office/libreoffice          notmpfs.conf
>> dev-java/icedtea                notmpfs.conf
>> games-fps/alienarena            notmpfs.conf
>> games-fps/worldofpadman         notmpfs.conf
>> games-sports/vdrift             notmpfs.conf
>> mail-client/thunderbird         notmpfs.conf
>> www-client/firefox              notmpfs.conf
>>
>> /etc/portage/env.d/notmpfs.**conf has this entry, changing
>> PORTAGE_TMPDIR to real HDD space:
>>
>> PORTAGE_TMPDIR=/var/portage/**tmp
>>
>> Most of these packages compile with 8 GB of space, but not with parallel
>> merges, like when Thunderbird and Firefox are both being built at the same
>> time.
>>
>>         Alex
>>
>>
>
> Ok Alex and Luis,
>
> So i put :
> PORTAGE_TMPDIR="tmpfs" in /etc/make.conf
> PORTAGE_TMPDIR=/var/tmp/portage (on HDD) in /etc/portage/env
> in /etc/portage/package.env :
> app-office/libreoffice notmpfs.conf
> mail-client/thunderbird notmpfs.conf
> www-client/firefox notmpfs.conf
>
> Thanks to both of you :-)
>
> Regards
>
> --
> Jacques
>

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