Fedora Hardware :: Fc12 Does Not Recognize 4th Disk On Scsi?
Apr 16, 2010
The system is fc12 with a scsi pci card. There are 4 disks on the scsi chain, properly terminated. At boot time the system does not recognize the 4th drive. It creates a /dev/sdh entry, but the individual partition entries are not created. fdisk /w creates the /dev/sdh* partition entries. After that the drive is recognized by the system.
Is there record of the device scan activity? What could cause the boot process to identify the drive but stop short of identifying the partitions.
dmesg output seem normal
scsi3 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
<Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter>
aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
scsi: waiting for bus probes to complete ...
[Code].....
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Nov 24, 2009
Was using preupgrade from FC11x64 to 12x64. Preupgrade caused alot of problems like /boot not enough diskspace. After some searching found the steps and preupgrade proceed happily but after reboot got kernel panic grrr.
Took 3 days to find another machine to download and burn the FC12x64 disk. So I booted via the FC12x64 disk and selected the 1st option to install/upgrade. I thought it is upgrade and so choose replace my existing linux system however it wiped out everything on the disk. I have some important data in my home directory. I think it is in LVM, not a partition like /dev/sda1. How can I recover them? Was using stock settings.
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Sep 16, 2010
I have a 3.5" SATA disk in an external enclosure which is connected to my USB port. How do I get F13 to recognize the disk? It does not show up in the Disk Utility (Applications > System Tools > Disk Utility).
F13 does recognize flash drives that I put into a USB port.
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May 6, 2009
I see to be having a problem with the SCSI disk that I'm trying to install. The computer that it is attached to was Win XP and SCSI worked fine. When we changed the computer over to Fedora 10, SCSI was being read by the computer but is not accessible.
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Nov 20, 2010
I am trying to mount a a Magneto Optical WORM drive, mechanically it is a 2.6 Gb, 1024 Bytes/Sector, 5.25", Verbatim Media, The disk was created under OS-2.
I am using CentOS 5, and have tried mounting the disk as msdos and as vfat and get superblock errors among others.
what filesystem type did OS-2 use? is there an add on to CentOS that will support the filesystem?
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Mar 26, 2010
I am developing for a Linux based device for which the HOT PLUG option is deactivated. As part of optimizing the code, we also don't want to create device files for unused devices. We understand that both USB attached and fixec SCSI hard disks would create device files like /dev/sda,/dev/sda1 /dev/sdb, /dev/sdb1 etc. Is this understanding correct?
In the case of USB attached SCSI devices, would driver create this device file entry? How is it created? Can somebody please tell me how it is being created automatically. In case I attach a fixed SCSI hard disk before boot up(and create device file /dev/sda1), would USB SCSI device driver create device files starting from /dev/sdb, automatically.
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Jul 5, 2010
I have three disk in my system. One SATA (250GB) and two SCSI (73GB) disks. The Two SCSI disks were installed originally and RHEL3 is installed on it. The SATA disk is installed a few years later with RHEL5. As you can see below, the boot sector is still on one of the SCSI disks (sdb1).
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda1 236545184 15259760 209075624 7% /
/dev/sdc2 68539636 4578792 60479160 8% /users
/dev/sdb1 101089 26847 69023 29% /boot
/dev/sdb3 68437272 36963704 27997104 57% /RHEL3U7
tmpfs 2025916 652 2025264 1% /dev/shm
How I can move the boot sector from the SCSI disk (sdb) to the SATA disk (sda) without losing data and without re-installation?
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Mar 24, 2011
Suppose during a script execution I am attaching one or two new disk having different vendor id to host machine, how do I know which disk corresponds to which file in /dev/ directory? i just want to perform some operation on those device from some script, how will i know which file in /dev directory correspond to which disk(having same size but different vendor id).
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Jul 6, 2010
So I have a system that is about 6 years old running Redhat 7.2 that is supporting a very old app that cannot be replaced at the moment. The jbod has 7 Raid1 arrays in it, 6 of which are for database storage and another for the OS storage. We've recently run into some bad slowdowns and drive failures causing nearly a week in downtime. Apparently none of the people involved, including the so-called hardware experts could really shed any light on the matter. Out of curiosity I ran iostat one day for a while and saw numbers similar to below:
[Code]...
Some of these kinda weird me out, especially the disk utilization and the corresponding low data transfer. I'm not a disk IO expert so if there are any gurus out there willing to help explain what it is I'm seeing here. As a side note, the system is back up and running it just runs sluggish and neither the database folks nor the hardware guys can make heads or tails of it. Ive sent them the same graphs from iostat but so far no response.
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Feb 15, 2010
i m facing same error in most of the HCL servers. the problem is that it throws error while booting and sometimes not throws error. the error is :-
Feb 13 13:17:25 fe13s kernel: Adapter 0: Bus A: The SCSI controller was reset due to SCSI BUS noise or an invalid signal. Check cables, termination, termpower, LVDS operation, etc.
Feb 13 13:17:30 fe13s kernel: Adapter 0: Bus B: The SCSI controller successfully recovered from a SCSI BUS issue. The issue may still be present on the BUS. Check cables, termination, termpower, LVDS operation, etc
Feb 13 13:29:15 fe13s kernel: Adapter 0: Bus B: The SCSI controller successfully recovered from a SCSI BUS issue. The issue may still be present on the BUS. Check cables, termination, termpower, LVDS operation, etc
code....
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Apr 11, 2011
In my understanding, the way /proc/scsi/scsi gets populated, /proc/paritions also gets populated in the same fashion. i.e. the description for first entry of /proc/scsi/scsi can be seen in the first entry of /proc/partitions and same for rest.
So, With this assumption, in my project, I used to relate first entry of /proc/scsi/scsi with first entry of /proc/partitions to get its total size and same for all entries.
But, I observed some differences in following scenario, where
1) The first 4 entries in /proc/scsi/scsi are SAN luns attached to my system and for which the actual device names in /dev/ are sda,sdb,sdc and sdd.
2) The last 4 entries are the internal HDDs on same system. In /dev/, their respective device names are sde,sdf,sdg & sdh.
(Output attached at end of the thread)
But in /proc/partitions, the device order is different.
You can see their respective sizes in /proc/partition output as well.
So, my question is, in this particular scenario, I can't relate the first entry of /proc/scsi/scsi with first entry of /proc/partition. i.e. scsi0:00:00:00 is not /dev/sde, because it is actually /dev/sda.
It seems that my assumption is wrong in this scenario.
Is there any way or mechanism to figure out actual device name for an entry in /proc/scsi/scsi in /dev/ directory?
How can my application should relate /proc/scsi/scsi entries with their respective device names and sizes?
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Apr 18, 2010
I have a tricky problem which I could soIve with a c program. I wrote one and found I didnt have gcc so I tried to install it. I was told I needed to install packages. I acknowledged and an error was generated gcc-4.4.2-7.fc12.i686 requires libgomp = 4.4.2-7.fc12 I try to install libgomp and go round again.
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May 4, 2010
When I enter "cat /proc/scsi/scsi" I'm returned with "cat: /proc/scsi/scsi: No such file or directory". I've tried this on two different installs on two different machines.
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Jun 23, 2011
Some of our workstations have LTO's attached and they seem to drop off every now and again, the only thing which picks them up again (besides a reboot) is the famous rescan-scsi-bus script from here
The thing is that I'd like non-root users to be able to run this script, which in turn needs root to /proc/scsi/scsi
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May 29, 2010
Trying to boot Ubuntu live CD 10.04 and getting some problems. I will get to the section where I have to pick a language and then choose the option to run from the CD. It will start to load and then it will hang up at "[sdb] attached scsi removable disk". I unplugged all of my external HD's. I burned the 32 bit version because it was recommended on the site.
Asus
Pentium Dual core CPU E5400 @ 2.70 GHz
5 Gigs of RAM
Current clock speed 2700MHz
Running Windows 7
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Apr 29, 2010
I'm trying to install 10.04 but during the Prepare Partitions step no hard disk is listed for me to partition.
The hard disk is a Seagate SATA (7200.7) drive and my motherboard is a Gigabyte GA-MA770-UD3. The hard disk works because I just installed a fresh copy of Windows XP on it without a problem and the OS on the disk prior to this was an older version of Debian.
Does anyone know how I can get my hard disk listed so I can install 10.04?
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May 10, 2010
Anyone here knows the OpenSuse install CD runthrough? I am using DELL pc's, and remember installing Linux as being a few almost basic steps on my self assembled clone pc's in my youth. Now, over ten years later I want to redo that and return to my old playground. I am using after over 12 years administering MS stuff again applications running on unix (solaris) at my work. Its like homecoming but in a difficult way, I am brainwashed and not really into unix anymore. So... lets install linux again at home. Returning to my favorite Suse distribution in the old days (who knows why).
I went through the installation (Opensuse11) simple, standard to start with, so mainly next (ACPI disabled). Rebooted... and the pc finds no recognized bootable HDD. OK, well, try again, other HDD to be sure, results in the same. Set manually the root partition as active. No go, I feel as a newbie again. What happened to me in those last years? Tried to do it also with a fedora distri - same outcome. When plugging these HDD in another recent (DELL) pc, it also does not recognize the HDD as bootable. Both disks have been part of a system before and functioned; until I changed this system for this other purpose. Probably i am missing something basic??
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May 25, 2010
I'm install it onto my laptop (its about 4 years old - a Sony Vaio VGN FS315E).
I have been given a live disk of the latest edition of ubuntu (10.4?) by someone at work, but my CD drive on my laptop seems to think the disk is blank. I know this is not the case as when the disk is inserted into a different laptop is it recognised as an ubuntu installation disk.
My aim to boot ubuntu from the disk to get a feel for what it's like before installing it fully on my laptop, and also to check that it would work on said laptop.
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Jan 4, 2011
I'm running Ubuntu 10.10 My cd/dvd player recognizes game and data CD'S/DVD'S the cd/dvd icon appears on desktop and I can access the file as well as playing games off the cd's.
When I try movie DVD's I get no desktop icon nor is it shown in the file managers. When trying to access the movie via VLC (open disk) I get the following error:
Playback failure:
DVDRead could not open the disc "/dev/dvd".
Your input can't be opened:
VLC is unable to open the MRL 'dvd:///dev/dvd'. Check the log for details. (Don't know what log its referring to)SMplayer and xine won't work either
I have tried every tip I could find on this forum. I installed all restricted format files including libdvdread4 and then ran this command sudo /usr/share/doc/libdvdread4/install-css.sh
followed all the advice from this restricted formats/playing dvd's
Its like the drive won't recognize a movie DVD.
Just as a side not I use to run simply mepis with no issues with movie dvd's. I also dual boot to Winxp no problems their either
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May 23, 2010
Lucid 10.04 and 'Startup disk creator' is fussy which iso's it will pick up.I have tried on my PC, laptop and Netbook all running Lucid and tried several variations of formatting a Usb flash stick using gparted. I have tried fat 32 and fat 16 and have removed lpa(?) and boot flags. I have transfered the download to my 'home' directory and simplified the name of the iso to lupo.iso (yes an Ubuntu derivative). Yet the software will not recognise this iso but strangely enough will recognise other ubuntu isos in the same directory. The usb stick was previously set up as a bootable linux Puppy system so I know the stick is OK.
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Jan 8, 2011
I have reinstalled XP and conseqently messed up Grub and lost Ubuntu. I am trying to do a fresh install but the installer insists on trying to overwrite the whole disk. I downloaded the alternate instal ISO as this has got over this problem in the past but this also wanted to overwrite the whole disk. It recognises the Sata Raid array as being nfts (this is my main data disk) but it doesn't recognise the existing partitions on my main disk:
18G windows
18G Old Ubuntu
113G nfts data disk
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Nov 16, 2010
I've had Ubuntu 10.10 installed for a while and I recently cleared a partition to install Windows XP. However, when I load from the Windows XP boot CD, I get "7379one MB disk 0 at ID 0 on ?Bus 0 on atapi(Setup cannot access this disk)". I've tried just about everything
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Nov 5, 2010
Sometimes the linux install CD does not recognize the disk controller
I am asking is there a way to customize the disk and add such driver
if yes :
what files from the driver to put and where to do that?
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Mar 11, 2011
I've got a SCSI scanner that is being detected by the kernel on Fedora 14, but XSane does not see it. If I run "sane-find-scanner" it says that noSCSI or USB scanners are found.The scanner is a Cacham Splendeur 3024, model VM3552. I believe this scanner is the same as the Relisys Scorpio VM3552. In /var/log/messages, the following entries show up as soon as the scanner is warmed up:
Code:
Mar 11 13:34:45 dt kernel: [22595.116042] usb 4-2: new full speed USB device using uhci_hcd and address 41
[code]...
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May 17, 2011
I need to read some data from a hdd that belongs to an old SCO Unix system. The SCSI card is PCI so I unplugged it from the old SCO unix box and stuck it in a new computer and booted using a Fedora 14 USB pen drive. The SCSI card was recognized and so was the hdd but it was not mounted. I then went into Applications, Disk Utility, and found the hdd. Under 'Edit Partition' the type was blank. I was tempted to set it to 'Extended' but was not sure whether that could damage the data on the disk. Does anyone know whether I would be able to read this Hdd by setting the type to 'Extended'?
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Jul 15, 2011
How can i do to mount a scsi device ? it is a lg android phone ...
My dmesg shows :
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Apr 23, 2009
I did a fresh install of Fedora 10 x86, then updated fully with yum, then did a preupgrade to F11 Beta. The download of the rpms works fine but the preupgrade reboot fails with:
Error downloading kickstart file
Unable to download the kickstart file.....
proceed as an interactive installation
hd:UUID=8f4a.....(uuidhere) ...05a8:/upgrade/ks.cfg
I have a SCSI disk so I'm suspicious preupgrade is having trouble accessing it? That prefix "hd" looks suspicious, should that be:
Code:
sda:UUID=8f4a.....(uuidhere) ...05a8:/upgrade/ks.cfg
or maybe
Code:
sd:UUID=8f4a.....(uuidhere) ...05a8:/upgrade/ks.cfg
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Jan 27, 2010
I work for a SUN resller in South Africa, I have recieved a request from a customer for a autoloader with LTO3 or 4 drives. Where can I find out what auto loaders and interfaces (SCSI or SAS) are supported.
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Jun 6, 2010
I'm trying to install Fedora 11 x86_64 on system with Adaptec U160 and 2 Ultra160 HD. It is not part of a network and iSCSI is not wanted. But the installer keeps selecting iSCSI automatically and won't let me change it. I try to do a "replace linux system" with my own partition scheme-which preserves the partitions already on this drive. I eventually have to exit the installer.
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Feb 17, 2011
In /proc/scsi/scsi, we can see the scsi host no. (scsi identifier no.). for e.g. Host: scsi4 Channel: 00 Id: 01 Lun: 00 In above e.g., scsi identifier no. is 4. Whenever we modprobe a particular module associated with scsi devices, we can see new entry in/proc/scsi/scsi with a greater identifier no. When we do rmmod on that module, the entry from /proc/scsi/scsi wipes off but still the counter of scsi identifier no. doesn't decreases. is is there any way to reset or decrement this counter so that next time when I do modprobe on scsi related module, it will assign no.s starting with 0 ? I found that during registering a scsi device, scsi_register() method gets value from "next_host" (which is a static int initialized to 0) and then increments next_host counter. Also, during scsi_unregister(), it decrements next_host counter. rmmod internally calls scsi_unregister(). So, if it is true then why the scsi host id. doesn't decrement during rmmod?
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