[gentoo-user] To be updated or not to be updated, Second Part
Hi,
after updateing I got this as result:
* Copying old database to /var/cache/eix/previous.eix
* Running eix-update
Reading Portage settings ..
Building database (/var/cache/eix/portage.eix) ..
[0] gentoo /usr/portage/ (cache: metadata-md5-or-flat)
Reading category 159|159 (100%) Finished
Applying masks ..
Calculating hash tables ..
Writing database file /var/cache/eix/portage.eix ..
Database contains 16845 packages in 159 categories.
* Calling eix-diff
Diffing databases (16844 - 16845 packages)
[D] == x11-libs/fox (1.7.39(1.7)@08/07/13; (~*)1.7.39(1.7) - *1.6.40(1.6)
*1.6.45(1.6) ~*1.6.49(1.6) ~*1.7.40(1.7) ~*1.7.41(1.7)): C++ based Toolkit for
developing Graphical User Interfaces easily and effectively
dev-python/python-quantumclient (~*2.2.3): A client for the OpenStack
Quantum API
[N]dev-java/jopt-simple (~*4.4(4.4) ~*4.5(4.5)): A Java library for
parsing command line options
[N]virtual/python-futures (~*0): A virtual for the Python
concurrent.futures module
* Time statistics:
287 seconds for syncing
117 seconds for eix-update
14 seconds for eix-diff
423 seconds total
These are the packages that would be merged, in reverse order:
Calculating dependencies... done!
Total: 0 packages, Size of downloads: 0 kB
Nothing to merge; quitting.
--
beagleboneblack:/rooteix x11-libs/fox
[D] x11-libs/fox
Available versions:
(1.6) *1.6.40 *1.6.45 ~*1.6.49
(1.7) ~*1.7.40 ~*1.7.41
{(+)bzip2 debug doc (+)jpeg (+)opengl (+)png profile tiff (+)truetype
(+)zlib}
Installed versions: 1.7.39(1.7)(23:22:36 08/07/13)(bzip2 jpeg opengl png
truetype zlib -debug -doc -profile -tiff)
Homepage:http://www.fox-toolkit.org/
Description: C++ based Toolkit for developing Graphical User
Interfaces easily and effectively
So, what is about x11-libs/fox? Delete it? Dont delete it?
Best regards,
mcc
Re: [gentoo-user] {OT} Need a new server
On 13/09/2013 23:39, Grant wrote: Exactly what RAID controller are you getting? My personal rule of thumb: on-board RAID controllers are not worth the silicon they are written on. Decent hardware raid controllers do exist, but they plug into big meaty slots and cost a fortune. By a fortune I mean a number that will make you gulp then head off to the nearest pub and make the barkeep's day. (Expensive, very expensive). Sans such decent hardware, best bet is always to do it using Linux software RAID, and the Gentoo guide is a fine start. I'm told it will likely be an Adaptec 7000 series controller. I'm not familiar with that model, but the white paper at the vendor's site indicates it's of the decent variety. You might as well use it then :-) Adaptec's stuff is rather good on the whole, we use exclusively Dell and Adaptec is by far the most common controller shipped. I can only recall one hardware failure or problem since 2003 over 300+ machines. The odds are in your favour today :-) -- Alan McKinnon alan.mckin...@gmail.com
Re: [gentoo-user] {OT} Need a new server
Would the hot spare be in case I lose 2 drives at once? Isn't that extraordinarily unlikely? Not really. One fails and you don't notice for a while, or it takes a while to recover from it. Then a second one fails. You're up queer street. I like to do RAID6 now because I've been burned by this. The hot spare did work and automatically start rebuilding, but another drive failed during the rebuild process. Not that RAID6 will help if three drives fail, but hey. This article references the same scenario: http://blog.open-e.com/why-a-hot-spare-hard-disk-is-a-bad-idea/ Based on our long years of experience we have learned that during a RAID rebuild the probability of an additional drive failure is quite high – a rebuild is stressful on the existing drives. Instead, how about a 6-drive RAID 10 array with no hot spare? My guess is this would mean much greater fault-tolerance both overall and during the rebuild process (once a new drive is swapped in). That would mean not only potentially increased uptime but decreased monitoring responsibility. - Grant
Re: [gentoo-user] {OT} Need a new server
Are modern SSDs reliable enough to negate the need for mirroring or do they still crap out? I don't have any experience with SSDs, but a general principle: ignore what anyone says, mirror them anyway, and make lots of backups. I'm onboard with that. - Grant
Re: [gentoo-user] {OT} Need a new server
Exactly what RAID controller are you getting? My personal rule of thumb: on-board RAID controllers are not worth the silicon they are written on. Decent hardware raid controllers do exist, but they plug into big meaty slots and cost a fortune. By a fortune I mean a number that will make you gulp then head off to the nearest pub and make the barkeep's day. (Expensive, very expensive). Sans such decent hardware, best bet is always to do it using Linux software RAID, and the Gentoo guide is a fine start. I'm told it will likely be an Adaptec 7000 series controller. I'm not familiar with that model, but the white paper at the vendor's site indicates it's of the decent variety. You might as well use it then :-) Adaptec's stuff is rather good on the whole, we use exclusively Dell and Adaptec is by far the most common controller shipped. I can only recall one hardware failure or problem since 2003 over 300+ machines. The odds are in your favour today :-) Can a controller like that handle a 6-drive RAID 10 array? Is a hot spare handled by the controller or is it configured in the OS? - Grant
[gentoo-user] Re: {OT} Need a new server
It's time to switch hosts. I'm looking at the following: Dual Xeon E5-2690 32GB RAM 4x SSD RAID10 If I make this 6x SSD RAID10 with redundant power supplies, what is my weakest link as far as hardware? If a CPU craps out, will the system keep running? - Grant
Re: [gentoo-user] {OT} Need a new server
On 14/09/2013 10:54, Grant wrote: Exactly what RAID controller are you getting? My personal rule of thumb: on-board RAID controllers are not worth the silicon they are written on. Decent hardware raid controllers do exist, but they plug into big meaty slots and cost a fortune. By a fortune I mean a number that will make you gulp then head off to the nearest pub and make the barkeep's day. (Expensive, very expensive). Sans such decent hardware, best bet is always to do it using Linux software RAID, and the Gentoo guide is a fine start. I'm told it will likely be an Adaptec 7000 series controller. I'm not familiar with that model, but the white paper at the vendor's site indicates it's of the decent variety. You might as well use it then :-) Adaptec's stuff is rather good on the whole, we use exclusively Dell and Adaptec is by far the most common controller shipped. I can only recall one hardware failure or problem since 2003 over 300+ machines. The odds are in your favour today :-) Can a controller like that handle a 6-drive RAID 10 array? Is a hot spare handled by the controller or is it configured in the OS? The problem with questions of that nature is that the answer is always It depends With hardware, the vendor can release almost any imaginable configuration and it's up to them what they want to build into their product and the variations are endless. Typically, a Series designation is a bunch of products built to a certain form factor with the same basic silicon on board. The difference in the models if how many drives they support and the feature list. Series 7000 tells us very little. You will need to get the exact model number from your hardware vendor then consult Adaptec's tech docs to find out the supported feature set -- Alan McKinnon alan.mckin...@gmail.com
[gentoo-user] {OT} tried Nimsoft Monitoring?
Has anyone tried Nimsoft Monitoring? It's included at Soft Layer which must mean a free license. It looks like a substitute for Nagios. https://www.softlayer.com/services/monitoring/nimsoft http://www.ca.com/us/lpg/nimsoft.aspx - Grant
Re: [gentoo-user] {OT} Need a new server
I'm told it will likely be an Adaptec 7000 series controller. Can a controller like that handle a 6-drive RAID 10 array? Is a hot spare handled by the controller or is it configured in the OS? The problem with questions of that nature is that the answer is always It depends With hardware, the vendor can release almost any imaginable configuration and it's up to them what they want to build into their product and the variations are endless. Typically, a Series designation is a bunch of products built to a certain form factor with the same basic silicon on board. The difference in the models if how many drives they support and the feature list. Series 7000 tells us very little. You will need to get the exact model number from your hardware vendor then consult Adaptec's tech docs to find out the supported feature set Yeah, that should have been a question for the host, sorry about that. - Grant
Re: [gentoo-user] Re: {OT} Need a new server
On 14/09/2013 10:59, Grant wrote: It's time to switch hosts. I'm looking at the following: Dual Xeon E5-2690 32GB RAM 4x SSD RAID10 If I make this 6x SSD RAID10 with redundant power supplies, what is my weakest link as far as hardware? If a CPU craps out, will the system keep running? Your weakest link is not having redundant power feeds. Two PSUs doesn't help much when they both draw power from the same place :-) Second is inadequate cooling in the data centre Third is idiots in the data centre doing stupid things like activating the fire suppression or any of the other truly epic fail tricks clueless customers get up to. Then there is is drive failure - it's the hardest working component. SSDs less so, but they still draw considerable power and get hot Everything else is a distant concern. When did you last hear of a CPU failure anywhere at any time? CPUs do not fail for the most part. When they do it's because everything else got hot which brings us back to #2 in the list. -- Alan McKinnon alan.mckin...@gmail.com
Re: [gentoo-user] creating overlay to modify net-fs/samba-3.6.18
On Thursday 12 Sep 2013 01:28:00 Timur Aydin wrote: On 09/12/13 01:00, Alan McKinnon wrote: Yes of course, it make a great deal of sense now. Basically, your local overlay had no idea where the parent portage tree is or how to find it so couldn't find the eclass directory. As I understand it, this information used to be hard-coded magic and overlays would just know where to look. Since recently, you have to configure it explicitly and not use hidden super-magic. You would have been getting confusing messages in emerge output about a faulty masters setting for overlays, pity we didn't spot that up front. Double pity that there wasn't a clear message or news item about what the error meant and the impact What happens when you run emerge with the new portage is that this error message pops up: # emerge -uaDv world !!! Repository 'x-portage' is missing masters attribute in '/usr/local/portage/metadata/layout.conf' !!! Set 'masters = gentoo' in this file for future compatibility However, as Alan says it is a puzzle why there wasn't a news item warning users of this new configuration requirement and how things may break if it is not complied with; or why the ebuild does not create itself the '/usr/local/portage/metadata/' directory and populate layout.conf with default values - unless the user has already done so. Either way it shouldn't let the user make WAGs as to what is now necessary for a properly functioning package manager. -- Regards, Mick signature.asc Description: This is a digitally signed message part.
Re: [gentoo-user] Re: {OT} Need a new server
It's time to switch hosts. I'm looking at the following: Dual Xeon E5-2690 32GB RAM 4x SSD RAID10 If I make this 6x SSD RAID10 with redundant power supplies, what is my weakest link as far as hardware? If a CPU craps out, will the system keep running? Your weakest link is not having redundant power feeds. Two PSUs doesn't help much when they both draw power from the same place :-) At Soft Layer redundant power supplies are actually powered by redundant power feeds. Second is inadequate cooling in the data centre Easy to monitor though. Third is idiots in the data centre doing stupid things like activating the fire suppression or any of the other truly epic fail tricks clueless customers get up to. Ouch Then there is is drive failure - it's the hardest working component. SSDs less so, but they still draw considerable power and get hot 6-SSD RAID 10! Everything else is a distant concern. When did you last hear of a CPU failure anywhere at any time? CPUs do not fail for the most part. When they do it's because everything else got hot which brings us back to #2 in the list. I had one fail a number of years ago but I do think it was because of heat. Plus I think that was in my overcl0cking days. Out of curiosity though, would the system continue if I were to lose a CPU and it didn't fry anything? - Grant
Re: [gentoo-user] creating overlay to modify net-fs/samba-3.6.18
On 14/09/2013 11:26, Mick wrote: On Thursday 12 Sep 2013 01:28:00 Timur Aydin wrote: On 09/12/13 01:00, Alan McKinnon wrote: Yes of course, it make a great deal of sense now. Basically, your local overlay had no idea where the parent portage tree is or how to find it so couldn't find the eclass directory. As I understand it, this information used to be hard-coded magic and overlays would just know where to look. Since recently, you have to configure it explicitly and not use hidden super-magic. You would have been getting confusing messages in emerge output about a faulty masters setting for overlays, pity we didn't spot that up front. Double pity that there wasn't a clear message or news item about what the error meant and the impact What happens when you run emerge with the new portage is that this error message pops up: # emerge -uaDv world !!! Repository 'x-portage' is missing masters attribute in '/usr/local/portage/metadata/layout.conf' !!! Set 'masters = gentoo' in this file for future compatibility However, as Alan says it is a puzzle why there wasn't a news item warning users of this new configuration requirement and how things may break if it is not complied with; or why the ebuild does not create itself the '/usr/local/portage/metadata/' directory and populate layout.conf with default values - unless the user has already done so. Either way it shouldn't let the user make WAGs as to what is now necessary for a properly functioning package manager. Is it just me, or has there really been an extraordinary number of high-impact changes this year made WITHOUT news items? I get a sense of a culture shift amongst the devs where news items are considered less important than they should be. I don't have hard facts, this is just my impression, but maybe the Council should do a PR exercise to impress on devs that news items are really important -- Alan McKinnon alan.mckin...@gmail.com
Re: [gentoo-user] Re: {OT} Need a new server
On 09/14/2013 09:59 AM, Grant wrote: It's time to switch hosts. I'm looking at the following: Dual Xeon E5-2690 32GB RAM 4x SSD RAID10 If I make this 6x SSD RAID10 with redundant power supplies, what is my weakest link as far as hardware? If a CPU craps out, will the system keep running? - Grant consider making the main memory ECC too and flick the correct switches in kernel to ensure ECC is monitored. no point in ensuring the data is resilient if the content is garbled. and also consider what happens if the raid controller fails due to a popped capacitor five years from now will you still be able to get a like for like replacement ? bear in mind that you may have to keep the raid card firmware up to date in order to be compatible with newer cards of course, this is all relative to how long you stay with your host but you have to decide how much resilience you want to build in. it's the mechanical parts of spinning rust or pseudo mechanical nand gate switching for SSD that will tend to fail, secondary to that in most places the PSU acts as a static cling with a dust blower attached, and any slight knock knocks the dust off causing a short circuit especially if any humidity is caught in the air also consider the fans blowing around the air inside the machine you can start thinking what about earthquakes or flooding in the area - surely you want to ensure two geographically diverse locations cpu / motherboard failures on server spec tend to not be very likely, especially if the environment is controlled (air filters/temp/power) a great many things happen that are beyond anyone's sphere of control - just look at the new york datacentres during hurricane Sandy; would it be better to have had more diesel on site or just everything replicated at another site ? the real question is what is your expectation of uptime and how can your budget match that. uptime is affected by software as well as hardware don't forget.
Re: [gentoo-user] Re: {OT} Need a new server
Am 14.09.2013 11:29, schrieb Grant: It's time to switch hosts. I'm looking at the following: Dual Xeon E5-2690 32GB RAM 4x SSD RAID10 If I make this 6x SSD RAID10 with redundant power supplies, what is my weakest link as far as hardware? If a CPU craps out, will the system keep running? Your weakest link is not having redundant power feeds. Two PSUs doesn't help much when they both draw power from the same place :-) At Soft Layer redundant power supplies are actually powered by redundant power feeds. Second is inadequate cooling in the data centre Easy to monitor though. True, it's easy to monitor. But that does not help you in case of cooling. I had that case once a few years back in july. Air condition _and_ backup air condition fell out in the offsite data center where we had some server. I still have the munin image from that day. Almost 70° c hot hard drives are not a pretty sight :-) And there's nothing you can do, except shutting down the server and wait until the refrigeration engineers have fixed the air conditioning. attachment: hddtemp-day.png signature.asc Description: OpenPGP digital signature
Re: [gentoo-user] {OT} Need a new server
On 2013-09-13 4:00 PM, Grant emailgr...@gmail.com wrote: Is the Gentoo Software RAID + LVM guide the best place for RAID install info if I'm not using LVM and I'll have a hardware RAID controller? Not ready to take the ZFS plunge? That would greatly reduce the complexity of RAID+LVM, since ZFS best practice is to set your hardware raid controller to JBOD mode and let ZFS take care of the RAID - and no LVM required (ZFS has mucho better tools). That is my next big project for when I switch to my next new server. I'm just hoping I can get comfortable with a process for getting ZFS compiled into the kernel that is workable/tenable for ongoing kernel updates (with minimal fear of breaking things due to a complex/fragile methodology)...
Re: [gentoo-user] {OT} Need a new server
On 2013-09-14 4:50 AM, Grant emailgr...@gmail.com wrote: http://blog.open-e.com/why-a-hot-spare-hard-disk-is-a-bad-idea/ Based on our long years of experience we have learned that during a RAID rebuild the probability of an additional drive failure is quite high – a rebuild is stressful on the existing drives. This is NOT true on a RAID 10... a rebuild is only stressful on the other drive in the mirrored pair, not the other drives. But, it is true for that one drive. That said, it would be nice is the auto rebuild could be scripted such that a backup could be triggered and the auto-rebuild queued until the backup was complete. But, here is the problem there... a backup will stress the drive almost as much as the rebuild, because all the rebuild does is read/copy the contents of the one drive to the other one (ie, it re-mirrors). Instead, how about a 6-drive RAID 10 array with no hot spare? My guess is this would mean much greater fault-tolerance both overall and during the rebuild process (once a new drive is swapped in). That would mean not only potentially increased uptime but decreased monitoring responsibility. I would still prefer a hot spare to not... in the real world, it has saved me exactly 3 out of 3 times...
Re: [gentoo-user] Re: {OT} Need a new server
On 2013-09-14 5:10 AM, Alan McKinnon alan.mckin...@gmail.com wrote: On 14/09/2013 10:59, Grant wrote: If I make this 6x SSD RAID10 with redundant power supplies, what is my weakest link as far as hardware? If a CPU craps out, will the system keep running? Your weakest link is not having redundant power feeds. Two PSUs doesn't help much when they both draw power from the same place :-) Right... so get two (high quality online UPS's, and plug one PS into one UPS and the other into the other UPS. Most hosting providers have generator backups, so as long as you buy/specify high quality UPS's, you should be fine. Everything else is a distant concern. When did you last hear of a CPU failure anywhere at any time? CPUs do not fail for the most part. When they do it's because everything else got hot which brings us back to #2 in the list. Don't most newer server boards detect over-temp conditions and shut down automatically?
Re: [gentoo-user] {OT} Need a new server
On 2013-09-13 5:47 PM, Grant emailgr...@gmail.com wrote: Are modern SSDs reliable enough to negate the need for mirroring or do they still crap out? You definitely want to mirror, but I'd be very interested in some statistics comparing rebuild times on a RAID5 and RAID 6 with SSD's, vs 15K SAS drives, vs 7200 SATA drives. My gut feeling is, the rebuild times on SSDs just might eliminate the biggest problem with RAID5/6, which has always been, the more drives/larger the RAID, the longer the rebuild times when (not if) you lose a drive. With regular hard drives, rebuild times can be DAYS using SATA drives. If this can be reduced to a few hours (or less?) if using SSDs, then I'd seriously consider using RAID 6, since you don't lose nearly as much usable storage as you do when using RAID10 (you always lose 50%). But of course, with ZFS, most of these questions become moot... If you can, I'd go with JBOD and ZFS RAID...
Re: [gentoo-user] Re: KDE: unwanted dependencies
On Friday 13 Sep 2013 16:57:39 Hinnerk van Bruinehsen wrote: On Fri, Sep 13, 2013 at 06:04:09PM +0400, Yuri K. Shatroff wrote: On 13.09.2013 17:50, Michael Palimaka wrote: On 13/09/2013 21:35, Yuri K. Shatroff wrote: BTW, it seems that mysql is also a hard dependency for QT now. At least, the average joe can't be scorned any more for not having a server. Hey to all localhost admins! :) That shouldn't be the case. The default akonadi backend is mysql, why could explain why it's being pulled in. Yes, really, I was mislead, it is qtsql which requires setting the mysql flag, but I missed that it was due to akonadi. IIRC you can substitute mysql with sqlite by changing useflags. mysql seems the be the default though... WKR Hinnerk As far as I know sqlite is not going to be an option in the future - mysql was going to become a hard dependency for KDE. I hope to be wrong on this, but that's what I recall reading in some KDE devs post. -- Regards, Mick signature.asc Description: This is a digitally signed message part.
[gentoo-user] [yoga13] rtl8723au
So, for work, I got a Lenovo IdeaPad Yoga 13. I've got it booting Gentoo. The rtl8723au chipset, which manages both wifi and bluetooth in this laptop, does not have a driver in =sys-kernel/gentoo-sources-3.10.7. Everything I know about the driver comes from two places. First, the LKML thread where Larry Finger announced his obtainment of the driver from Realtek, and his uploading it to github. https://lkml.org/lkml/2013/4/1/280 Second, the relevant Github repo (and the particular commit at which I have it): https://github.com/lwfinger/rtl8723au/commit/58a426d1ce29d8c26c36630ef8970afdc6876fcc Now, here's what's weird. That driver code works fine under Ubuntu 13.04. Boot into Ubuntu 13.04, build the driver, insmod 8723au.ko, and NetworkManager/nm-applet tells me wireless networks are available. Under Gentoo, using 3.10.7, no such luck. Build the driver, insmod it, and NetworkManager suddenly thinks there's a *wired* NIC present. The Yoga 13 doesn't have a wired NIC. iwlist scan gives: enp0s26u1u4i2 Interface doesn't support scanning. ip link show gives: 9: enp0s26u1u4i2: NO-CARRIER,BROADCAST,MULTICAST,UP mtu 1500 qdisc mq state DOWN mode DEFAULT qlen 1000 link/ether 20:16:d8:b0:25:77 brd ff:ff:ff:ff:ff:ff The NIC doesn't appear under lspci, but it does appear under lsusb: /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=, 480M |__ Port 4: Dev 4, If 0, Class=Wireless, Driver=, 480M |__ Port 4: Dev 4, If 1, Class=Wireless, Driver=, 480M |__ Port 4: Dev 4, If 2, Class=Vendor Specific Class, Driver=rtl8723au, 480M (Several buses and ports omitted, just including the one that appears to be where the NIC is located at) Hopefully I'm just missing something silly. If not, I'm perfectly willing to dig deeper, so long as this 1wk-old kid on my lap is asleep... signature.asc Description: OpenPGP digital signature
Re: [gentoo-user] {OT} Need a new server
On 09/14/2013 04:50 AM, Grant wrote: Instead, how about a 6-drive RAID 10 array with no hot spare? My guess is this would mean much greater fault-tolerance both overall and during the rebuild process (once a new drive is swapped in). That would mean not only potentially increased uptime but decreased monitoring responsibility. RAID10 with six drives can be implemented one of two ways, Type 1: A B A B A B Type 2: A B C A B C If your controller can do Type 1, then going with six drives gives you better fault tolerance than four with a hot spare. I've only ever seen Type 2, so I would bet that's what your controller will do. It's easy to check: set up RAID10 with four drives, then with six. Did the drive get bigger? If so, it's Type 2. If it's Type 2, then four drives with a spare is equally tolerant. Slightly better, even, if you take into account the reduced probability of 2/5 of the drives failing compared to 2/6. No one believes me when I say this, so here are all possibilities for a two-drive failure enumerated for four-drive Type 2 (with a spare) and six-drive Type 2. Both have a 20% uh oh ratio. Layout: A B A B S 1. A-bad B-bad A B S -- OK 2. A-bad B A-bad B S -- UH OH 3. A-bad B A B-bad S -- OK 4. A-bad B A B S-bad -- OK 5. A B-bad A-bad B S -- OK 6. A B-bad A B-bad S -- UH OH 7. A B-bad A B S-bad -- OK 8. A B A-bad B-bad S -- OK 9. A B A-bad B S-bad -- OK 10. A B A B-bad S-bad -- OK Layout: A B C A B C 1. A-bad B-bad C A B C -- OK 2. A-bad B C-bad A B C -- OK 3. A-bad B C A-bad B C -- UH OH 4. A-bad B C A B-bad C -- OK 5. A-bad B C A B C-bad -- OK 6. A B-bad C-bad A B C -- OK 7. A B-bad C A-bad B C -- OK 8. A B-bad C A B-bad C -- UH OH 9. A B-bad C A B C-bad -- OK 10. A B C-bad A-bad B C -- OK 11. A B C-bad A B-bad C -- OK 12. A B C-bad A B C-bad -- UH OH 13. A B C A-bad B-bad C -- OK 14. A B C A-bad B C-bad -- OK 15. A B C A B-bad C-bad -- OK
Re: [gentoo-user] Re: {OT} Need a new server
On 14/09/2013 11:29, Grant wrote: Everything else is a distant concern. When did you last hear of a CPU failure anywhere at any time? CPUs do not fail for the most part. When they do it's because everything else got hot which brings us back to #2 in the list. I had one fail a number of years ago but I do think it was because of heat. Plus I think that was in my overcl0cking days. Out of curiosity though, would the system continue if I were to lose a CPU and it didn't fry anything? That's an interesting question and I honestly don't know the answer - I've never had a cpu fail on me in over 30 years :-) If we are lucky, someone might have experienced it and pipe up as to what happened. And I'm sure someone does regular testing on hot-pluggable cpus by popping one out and monitoring the results. I have no knowledge though -- Alan McKinnon alan.mckin...@gmail.com
Re: [gentoo-user] Re: {OT} Need a new server
On 14/09/2013 13:34, Tanstaafl wrote: On 2013-09-14 5:10 AM, Alan McKinnon alan.mckin...@gmail.com wrote: On 14/09/2013 10:59, Grant wrote: If I make this 6x SSD RAID10 with redundant power supplies, what is my weakest link as far as hardware? If a CPU craps out, will the system keep running? Your weakest link is not having redundant power feeds. Two PSUs doesn't help much when they both draw power from the same place :-) Right... so get two (high quality online UPS's, and plug one PS into one UPS and the other into the other UPS. Grant is looking at renting hosting space in someone's data centre. No such company is ever going to let him buy rack space to install his UPSs - rack space is far too valuable for that. Most hosting providers have generator backups, so as long as you buy/specify high quality UPS's, you should be fine. You aren't reading between the lines I've been hinting at :-) All decent providers claim redundant power feeds with battery/generator backup. I'm not talking about that. I'm talking about which connector the electrician connects which wire to. The number of stories I hear about THAT going wrong are frightening Everything else is a distant concern. When did you last hear of a CPU failure anywhere at any time? CPUs do not fail for the most part. When they do it's because everything else got hot which brings us back to #2 in the list. Don't most newer server boards detect over-temp conditions and shut down automatically? -- Alan McKinnon alan.mckin...@gmail.com
Re: [gentoo-user] [yoga13] rtl8723au
On 14/09/2013 16:36, Michael Mol wrote: So, for work, I got a Lenovo IdeaPad Yoga 13. I've got it booting Gentoo. The rtl8723au chipset, which manages both wifi and bluetooth in this laptop, does not have a driver in =sys-kernel/gentoo-sources-3.10.7. Everything I know about the driver comes from two places. First, the LKML thread where Larry Finger announced his obtainment of the driver from Realtek, and his uploading it to github. https://lkml.org/lkml/2013/4/1/280 Second, the relevant Github repo (and the particular commit at which I have it): https://github.com/lwfinger/rtl8723au/commit/58a426d1ce29d8c26c36630ef8970afdc6876fcc Now, here's what's weird. That driver code works fine under Ubuntu 13.04. Boot into Ubuntu 13.04, build the driver, insmod 8723au.ko, and NetworkManager/nm-applet tells me wireless networks are available. Under Gentoo, using 3.10.7, no such luck. Build the driver, insmod it, and NetworkManager suddenly thinks there's a *wired* NIC present. The Yoga 13 doesn't have a wired NIC. Eh? That is weird. Have you tried vanilla-sources to take gentoo patchset out of the equation? Or possibly the driver was developed on Ubuntu and relies on one of their patches iwlist scan gives: enp0s26u1u4i2 Interface doesn't support scanning. ip link show gives: 9: enp0s26u1u4i2: NO-CARRIER,BROADCAST,MULTICAST,UP mtu 1500 qdisc mq state DOWN mode DEFAULT qlen 1000 link/ether 20:16:d8:b0:25:77 brd ff:ff:ff:ff:ff:ff The NIC doesn't appear under lspci, but it does appear under lsusb: /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=, 480M |__ Port 4: Dev 4, If 0, Class=Wireless, Driver=, 480M |__ Port 4: Dev 4, If 1, Class=Wireless, Driver=, 480M |__ Port 4: Dev 4, If 2, Class=Vendor Specific Class, Driver=rtl8723au, 480M (Several buses and ports omitted, just including the one that appears to be where the NIC is located at) Hopefully I'm just missing something silly. If not, I'm perfectly willing to dig deeper, so long as this 1wk-old kid on my lap is asleep... Daddy! Congrats on the new one in your life. Your definition of personal free time is about to change dramatically i.e. it goes away. Would this be why you suddenly got quiet the last 3 months or so? -- Alan McKinnon alan.mckin...@gmail.com
Re: [gentoo-user] [yoga13] rtl8723au
On 09/14/2013 10:46 AM, Alan McKinnon wrote: On 14/09/2013 16:36, Michael Mol wrote: So, for work, I got a Lenovo IdeaPad Yoga 13. I've got it booting Gentoo. The rtl8723au chipset, which manages both wifi and bluetooth in this laptop, does not have a driver in =sys-kernel/gentoo-sources-3.10.7. Everything I know about the driver comes from two places. First, the LKML thread where Larry Finger announced his obtainment of the driver from Realtek, and his uploading it to github. https://lkml.org/lkml/2013/4/1/280 Second, the relevant Github repo (and the particular commit at which I have it): https://github.com/lwfinger/rtl8723au/commit/58a426d1ce29d8c26c36630ef8970afdc6876fcc Now, here's what's weird. That driver code works fine under Ubuntu 13.04. Boot into Ubuntu 13.04, build the driver, insmod 8723au.ko, and NetworkManager/nm-applet tells me wireless networks are available. Under Gentoo, using 3.10.7, no such luck. Build the driver, insmod it, and NetworkManager suddenly thinks there's a *wired* NIC present. The Yoga 13 doesn't have a wired NIC. Eh? That is weird. Have you tried vanilla-sources to take gentoo patchset out of the equation? I have not. I'll try that next. Or possibly the driver was developed on Ubuntu and relies on one of their patches Story, as I read it, goes that it was developed by Realtek, who didn't think to open-source it. Larry Finger asked Realtek for the driver, they provided it, as well as permission to get it distributed further. iwlist scan gives: enp0s26u1u4i2 Interface doesn't support scanning. ip link show gives: 9: enp0s26u1u4i2: NO-CARRIER,BROADCAST,MULTICAST,UP mtu 1500 qdisc mq state DOWN mode DEFAULT qlen 1000 link/ether 20:16:d8:b0:25:77 brd ff:ff:ff:ff:ff:ff The NIC doesn't appear under lspci, but it does appear under lsusb: /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=, 480M |__ Port 4: Dev 4, If 0, Class=Wireless, Driver=, 480M |__ Port 4: Dev 4, If 1, Class=Wireless, Driver=, 480M |__ Port 4: Dev 4, If 2, Class=Vendor Specific Class, Driver=rtl8723au, 480M (Several buses and ports omitted, just including the one that appears to be where the NIC is located at) Hopefully I'm just missing something silly. If not, I'm perfectly willing to dig deeper, so long as this 1wk-old kid on my lap is asleep... Daddy! Congrats on the new one in your life. Your definition of personal free time is about to change dramatically i.e. it goes away. It's not possible to have less free time than I had in the past few months. Even having this kid on my lap while I write this is a luxury of free time I haven't had in ages. Nearly every non-work, non-sleep moment was dedicated to preparing for this guy just showing up. Looking forward to when he's big enough for the mai-tai; that'll afford me even more flexibility. Though I'll probably wind up eating my own words... Would this be why you suddenly got quiet the last 3 months or so? Combined with my job getting busier and busier, yes. I'm flattered I was missed. :) signature.asc Description: OpenPGP digital signature
Re: [gentoo-user] To be updated or not to be updated, Second Part
On Sat, Sep 14, 2013 at 2:12 PM, meino.cra...@gmx.de wrote:
beagleboneblack:/rooteix x11-libs/fox
[D] x11-libs/fox
Available versions:
(1.6) *1.6.40 *1.6.45 ~*1.6.49
(1.7) ~*1.7.40 ~*1.7.41
{(+)bzip2 debug doc (+)jpeg (+)opengl (+)png profile tiff
(+)truetype (+)zlib}
Installed versions: 1.7.39(1.7)(23:22:36 08/07/13)(bzip2 jpeg opengl
png truetype zlib -debug -doc -profile -tiff)
Homepage:http://www.fox-toolkit.org/
Description: C++ based Toolkit for developing Graphical User
Interfaces easily and effectively
So, what is about x11-libs/fox? Delete it? Dont delete it?
Best regards,
mcc
It depends on is there any package relying on x11-libs/fox.
Checkout by using `equery d x11-libs/fox-1.7.39`.
Or you can checkout that with `emerge -DNuav @world` and `revdep-rebuild`,
these commands will check for any unsatisfied dependencies.
--
Silence is golden.
twitter: @AccelReality
wikipedia: AleiPhoenix
blog: weblog.areverie.org
wiki: wiki.areverie.org
Re: [gentoo-user] [yoga13] rtl8723au
On 09/14/2013 11:10 AM, Michael Mol wrote: On 09/14/2013 10:46 AM, Alan McKinnon wrote: On 14/09/2013 16:36, Michael Mol wrote: So, for work, I got a Lenovo IdeaPad Yoga 13. I've got it booting Gentoo. The rtl8723au chipset, which manages both wifi and bluetooth in this laptop, does not have a driver in =sys-kernel/gentoo-sources-3.10.7. Everything I know about the driver comes from two places. First, the LKML thread where Larry Finger announced his obtainment of the driver from Realtek, and his uploading it to github. https://lkml.org/lkml/2013/4/1/280 Second, the relevant Github repo (and the particular commit at which I have it): https://github.com/lwfinger/rtl8723au/commit/58a426d1ce29d8c26c36630ef8970afdc6876fcc Now, here's what's weird. That driver code works fine under Ubuntu 13.04. Boot into Ubuntu 13.04, build the driver, insmod 8723au.ko, and NetworkManager/nm-applet tells me wireless networks are available. Under Gentoo, using 3.10.7, no such luck. Build the driver, insmod it, and NetworkManager suddenly thinks there's a *wired* NIC present. The Yoga 13 doesn't have a wired NIC. Eh? That is weird. Have you tried vanilla-sources to take gentoo patchset out of the equation? I have not. I'll try that next. Tried with vanilla 3.10.11 and vanilla 3.11.0. Same symptoms. signature.asc Description: OpenPGP digital signature
Re: [gentoo-user] look for a file type + sort
Am 14.09.2013 06:04, schrieb Mark David Dumlao:
On Sep 13, 2013 9:53 PM, Yuri K. Shatroff yks-...@yandex.ru
mailto:yks-...@yandex.ru wrote:
On 13.09.2013 17:43, Mark David Dumlao wrote:
On Fri, Sep 13, 2013 at 9:36 PM, Yuri K. Shatroff yks-...@yandex.ru
mailto:yks-...@yandex.ru wrote:
On 13.09.2013 10:24, Jean-Christophe Bach wrote:
[ ... ]
This one should work:
find /home/joseph/ -iname *.pdf -exec ls -l --sort=time {} +
-exec is not suitable here because it spawns a `ls` process per each
found
entry; aside from being slow, this disallows sorting at all.
This is incorrect. If you terminate exec with '+' instead of '\;',
only a single
instance of the command is run - the command line is built by appending
each found file to the end of the {} placeholder.
Sorry, I'm ashamed
I didn't know about this feature. Does it also handle spaces correctly?
I'm not sure how the internals work. As best as I can guess, it
constructs the argv directly so spaces shouldn't be an issue. Spaces are
an issue when the output is piped through, since the pipe itself knows
no difference between filename and output spaces, hence the need to
force zero delimiters between filenames. Since find runs the command
directly, you shouldn't encounter this. But Ive yet to test.
Your assumption is correct. exec cannot be fooled with whitespaces.
Regards,
Florian Philipp
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