Hardware :: Normal Operation For A SATA Hot Swap?
Aug 10, 2010
My question is regarding the messages generated by hot-swapping a (unmounted) SATA hard drive. Is this normal? Before I start to depend on this system I want to know that things are working as intended.I'm running Ubuntu 10.04 Server on a newly built system - Intel H55HC board with Intel I3-540 processor.
I have a hot-swap disk cage with 4x WD 2TB 7200RPM drives.I want to hot-swap two of the disks. When I remove them (after unmounting) I get the following messages (as revealed by dmesg):
Code:
[ 2050.175552] ata3: exception Emask 0x10 SAct 0x0 SErr 0x4090000 action 0xe frozen
[ 2050.175817] ata3: irq_stat 0x00400040, connection status changed
[ 2050.176107] ata3: SError: { PHYRdyChg 10B8B DevExch }
[ 2050.176420] ata3: hard resetting link
[ 2050.923016] ata3: SATA link down (SStatus 0 SControl 300)
[ 2055.912461] ata3: hard resetting link
[Code]...
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Feb 23, 2010
I am an experienced Linux admin and have been using SuSE for many years. My development machine has had every version of SuSE since '02 and although it is a little old, is in good working order. (AMD
2400, 2 gig RAM, 160 Gig IDE disks - SuSE on disk 2) (OpenSuSE 11.1 with the latest kernel works perfectly. This install is on a spare HDD prior to doing a full install on my usual HDD.)
When I try to install SuSE 11.2 from DVD, the load kernel operation hangs at 97% (using both normal and safe kernel), however, I can install from live CD without any problem. I have tried the same DVD on a few "older" machines and had the same problem. I initially thought it was the actual DVD but re-burning has the same problem. I have also tried another DVD writer - same problem.
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Feb 2, 2011
openSUSE 11.3, 2.6.34.7-0.7-desktop, KDE 4.4.x, 3.0-P4, 2.5g mem. I replaced PATA-OEM optical drive with SATA-OEM works fine with all apps outside of and except with this widget. No problems until the swap. I have performed some updates and I have not put the PATA drive back in to see if the behavior changed because it was failing. It could be an update but the optical drive swap is my first suspect. This now. If I hover cursor over notifier widget icon "last plugged in device" will pop up with accurate last device until a click on the widget icon and selection of action for the recently plugged in device. Selected actions work fine ... once.
Then it no longer updates the new or retains the previous DVD/CD (or any USB external drive when connected) entry. Closing after viewing but with out selecting an action results in an empty list also. The menu remains empty there after and only removal of the widget and reinstall makes the devices appear again ... once. Then the behavior repeats if the widget is removed and reinstalled. I was wondering if this is likely to be a udev/rules.d problem related to the swap of the optical drives? The 70-persistant-cd.rules file shows two cd's after the swap:
[Code]...
If I delete or rename the 70-persistant-cd.rules file in udev/rules.d will it truly be recreated at boot and might it this fix the issue? Should I look elsewhere first at some var logs for errors? Reinstall 11.3 and let auto detect and config sort it out is also and option but I'd rather not, heh.
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Aug 13, 2010
Can SATA 3 (SATA III) Hard disk be run on motherboard which only supports SATA II, except sacrificing the speed (throughput)?
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May 1, 2011
I keep getting this error in my log viewer every 2 seconds: Code: ata4: limiting SATA link speed to 1.5 Gbps I have a dual boot SSD and I have run many SMART tests in windows and linux, (using smartmon tools and the disk utility) and the reports are all 100% healthy..... My research shows that this error represents one of the following:
1. Problem with SATA controller
2. Changing BIOS to allow SATA
3. Changing SATA mode to PATA or AHCI
4. Replacing the SATA cable
5. Allowing the SSD to run at SATA II speeds, i.e. 3 Gbps
- Does anyone know how to try number 5, i.e. allowing the SSD to run at SATA II speeds? I am lost here and this problem has caused my machine to crash twice when watching a movie in linux/ ubuntu. (It is worth noting that the crashes have only occurred in linux and I have never had an issue in windows, so it does seem to be a linux setting somewhere, hence why I think it is a "allowing SATA II to run at correct speeds issue")
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Jun 21, 2010
I installed Ubuntu 10.04, and happened to have an Silicom Images PCXpress card plugged in, and it kindly added the sil_sata module.This is fine for this chip set.I think that my earlier installation of Ubuntu 9.04 used Libata, which does support NCQ and also has good legacy support for the Intel Intel ICH7 chipset I have inside my Sony Vaio SZ notebook. Also, libata also support Silicon Image chipsets as far as I can tell from URL...I wish to remove the Silicom Images SATA modules and replace this with libata and then test the performance between the two device drivers.
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Jun 1, 2010
My motherboard supports SATA but I do not know which version: SATA-I or SATA-II. I want to buy a SSD so it would be pointless to buy a fast SSD if my motherboard only suports SATA-I
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Mar 20, 2011
Does one need to Check the Swap filesystem, from time to time
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Dec 7, 2010
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Aug 16, 2010
RAM for older machines like I use is fairly cheap these days. But flash memory is just as cheap or cheaper. So I'd like to ask about the feasibility of expanding my system's memory using flash memory. And about whether creating a partition for swap on the flash memory, or whether a swap file on the flash device, is the better way to go.
By flash memory I have in mind mainly USB sticks or what are sometimes called "pen drives." But I do also have CF and SD cards that, with the proper cheap adapter (one of which I already own for adapting CF) could be used to create extra swap space. So, what is the current consensus on the feasibility/advisability of using flash memory for swap? I've read about the limited write cycles of flash being an argument against using it for swap. But recent reading indicates to me that the limited write cycles problem applies mostly to older, smaller-capacity flash memory. Some will come out and say that, for larger-capacity flash memory, the life of the device is likely to exceed the amount of time your current computer will be useful (I think I've seen estimates in the range of 3-4 years life--minimum--for newer, higher-capacity flash memory).
A more persuasive argument I've heard against using flash memory for swap is that access times for these devices can be much slower than SATA, and maybe even IDE, hard drives. That would certainly dictate against using flash memory for swap.
So, how about some input on this issue? Anyone using flash memory for swap? If so, what kind (e.g., usb stick or SD/CF)? Are you using a swap file or a swap partition? How's system performance? Likewise, has anyone had flash-memory-used-as-swap die on them? The consequences would undoubtedly be dire. Also, has anyone measured flash memory access times to confirm or refute claims about slow access times? Are some types of flash memory better/worse than others in terms of access times?
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May 28, 2011
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Feb 19, 2010
I know it's possible, but does anyone have a URL or tutorial on how to do this?
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Jul 4, 2010
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Now the question is:
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Jun 21, 2010
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Nov 4, 2010
In the system monitor it states:Release 11.2 Kernel Linux 2.6.31.5 -0.1 -desktop
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I think there must be something wrong with my GNOME, 'cause everything seems working fine when I login IceWM. may be recover the .config file in my home directory. But I don't have this file in my home directory.
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Jul 19, 2011
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Oct 11, 2010
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Mar 10, 2011
I've the following input file (sorted.txt)
Code:
A 1
A 1
[code]...
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Nov 4, 2010
I run SUSE on my machine for a year, but I'm really a newbie on Linux. In the system monitor it states:SUSE LINUX Release 11.2 Kernel Linux 2.6.31.5 -0.1 -desktop GNOME 2.28.0Last week when I rebooted my machine, I suddenly found my machine had no response to any click or typing. When the cursor move to any icons, they can be highlighted, but when I click them, no response at all. The weird thing is almost every time after I reboot the computer, it can work for a few minutes, then stop working. But if I press Ctrl+Alt+Backspace, it can be log out.
I think there must be something wrong with my GNOME, 'cause everything seems working fine when I login IceWM. recover the .config file in my home directory. But I don't have this file in my home directory.
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Feb 21, 2010
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Feb 26, 2010
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Jan 19, 2011
SELinux is enable on my system. When i try to carry out the below operation it fails, giving me te error below.I disable selinux before i was successful, but who can help me out to carry this excercise with selinux enable.
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mount: block device /dev/cdrom is write-protected, mounting read-only
[root@wisetech ~]# cp -ar /dev/cdrom /media/. /inst
[code]....
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Apr 5, 2010
i am having problem with the following code(trying to updoad a file):
Code:
HINTERNET internet;
HINTERNET ftp;
internet = InternetOpen(NULL , INTERNET_OPEN_TYPE_DIRECT , NULL , NULL , 0);
ftp = InternetConnect(internet , "127.0.0.1" , INTERNET_DEFAULT_FTP_PORT , NULL , NULL , INTERNET_SERVICE_FTP , 0 , 0);
[code]...
so FtpPutFile returns the following error:
Code:
12003
200 Type set to I.
200 PORT Command successful.
550 Operation not complete
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Mar 28, 2009
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LVM Operation failed vcreate failed for <fsset.partition device instance at 0xb7C1ef6c>
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Jun 19, 2010
user that started using Ubunto 6 month ago and I have now also installed fedora 13 to see wich operation system I like best... I have 3 primary partitions 1 for windows 1 for fedora and 1 for ubuntohen I installed ubunto I had a LILO (linux loader) like program that made me choose between Ubunto and Windows at start up... after installing fedora it goes automaticaly to fedora w/o making me choose... I can still mount my win/ubunto partitions so I haven't messed up compleatly... how do I "restablish" the linux loader deamon so that I can choose freely between the 3 operation systems?
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Jan 13, 2011
The command and error message:
gtwy ~ # ip rule add from 64.251.23.186 table t1
RTNETLINK answers: Operation not supported
Older article of the same problem, but it did not help me: http://forums.gentoo.org/viewtopic-t-696982-start-0-postdays-0-postorder-asc-highlight-.html
I have looked on google at great lengths to try to find a solution. It seems that my kernel configuration is missing something? My system/kernel is: 2.6.36-gentoo-r5 #3 SMP Thu Jan 13 10:49:06 EST 2011 x86_64 Intel(R) Xeon(R) CPU X3220 @ 2.40GHz GenuineIntel GNU/Linux.I am posting this on SuperUser since this system is used as a workstation and this problem is unrelated to specific tasks that are handled exclusively by servers.iproute2 is installed:
gtwy etc # emerge --search iproute2
Searching...
[ Results for search key : iproute2 ]
[ Applications found : 1 ]
[code]...
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